Abstract

This buckle fastener (11) comprises a male element (13) and a female element (15) intended to be mechanically fastened to the male element (13) in a reversible manner, the male element (13) and the female element (15) comprising, in the case of one of them, a male connector (23), and, in the case of the other one, a female connector (25) cooperating with the male connector (23) so as to transmit a signal and/or a fluid between the two connectors (23; 25) when the male element (13) and the female element (15) are mechanically fastened, the buckle fastener comprising a means (31) for introducing an angular displacement between the male connector (23) and the female connector (25).

IPC Classes  ?

• A44B 11/26 - Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings

Abstract

ALAmALA/LAAmLA/LAAAmAA A AA at zero.

IPC Classes  ?

• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation

Abstract

The invention relates to a designation system comprising a laser designator and an apparatus for tracking a designation of a target, the apparatus comprising an optronic device (4) comprising an optical imaging sensor (5), the sensor being a sensor on silicon, and the apparatus comprising means for controlling the sensor which are capable of modifying at least one parameter of the sensor in order to image, when in use, at least one designation mark generated by the laser designator per periodically repeating predetermined given time period, the apparatus being asynchronous with the laser designator.

IPC Classes  ?

• F41G 7/22 - Homing guidance systems
• F41G 3/14 - Indirect aiming means
• G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
• G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
• G01S 7/4863 - Detector arrays, e.g. charge-transfer gates

Abstract

The invention relates to a method for monitoring the integrity of a plurality of pseudorange measurements acquired by a navigation system (2) from signals transmitted by a constellation of satellites (4). The method comprises a first calculation, for each satellite (4) of the constellation, of a first innovation (Inno) reflecting the difference between the measured pseudorange from said satellite (4) and a value of said pseudorange estimated after the event, produced by a Kalman filter (6); a first update of each first innovation (Inno); a second calculation of a first group of first test values (CM); maintaining the set of measured pseudoranges so as to calibrate the Kalman filter (6) if all the first test values (CM) are less than a first predetermined threshold, and otherwise implementing a processing step.

IPC Classes  ?

• G01S 19/20 - Integrity monitoring, fault detection or fault isolation of space segment

Abstract

One aspect of the invention relates to a method (100) for controlling a mechatronic system, based on a model for predicting the behaviour of the mechatronic system and a cost function ensuring compliance with constraints by the mechatronic system, with a view to following path instructions to a prediction horizon, the method comprising: reformulating (10) the constraints into barrier functions and integrating the barrier functions into the cost function; and for each sampling period of a sequence of sampling periods: obtaining (20) the path instructions and at least one measurement of the mechatronic system in a current state; determining (30) coefficients of a polynomial of order m using a Nelder-Mead method optimizing the cost function based on the predicting model, this determining step receiving as input the path instructions and the at least one measurement of the mechatronic system obtained (20); computing (40) a command through evaluation of the polynomial; and applying (50) the command to the mechatronic system.

IPC Classes  ?

• G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
• G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators

Abstract

The invention relates to a system for transmitting commands to N hydraulic servo-actuators, N being an integer greater than or equal to 2, the system comprising: N mechanical systems, each mechanical system comprising: - a rotary electric actuator which comprises a first path comprising a motor and a second path comprising a motor; - a linear electric actuator which comprises a third path comprising a motor, the linear electric actuator being connected to the rotary electric actuator by a first mechanical linkage and being capable of being connected to a single hydraulic servo-actuator from among the N hydraulic servo-actuators by a second mechanical linkage; a control system comprising: - a first control device connected by an electrical connection to the first path of the rotary electric actuator of each mechanical system from among the N mechanical systems; - a second control device connected by an electrical connection to the second path of the rotary electric actuator of each mechanical system from among the N mechanical systems; - a third control device connected by an electrical connection to the third path of the linear electric actuator of each mechanical system from among the N mechanical systems.

IPC Classes  ?

• B64C 13/50 - Transmitting means with power amplification using electrical energy
• B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
• B64C 27/64 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using fluid pressure, e.g. having fluid power amplification
• B64C 27/59 - Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
• F16H 25/10 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with adjustable throw
• H02K 7/06 - Means for converting reciprocating motion into rotary motion or vice versa
• H02K 16/00 - Machines with more than one rotor or stator
• H02K 7/10 - Structural association with clutches, brakes, gears, pulleys or mechanical starters

Abstract

The invention relates to a method for assisting in the landing of an aircraft, the method comprising the steps of: - synchronising (302) an on-board system and a ground system by exchanging at least one item of timestamp information between the ground system and the on-board system; - estimating (303) at least one item of information that is characteristic of the distance separating the aircraft from a sub-module of the ground system, and combining (305) the items of information in order to infer therefrom at least one item of information characteristic of the raw general direction of arrival of the aircraft; - estimating at least one item of information characteristic of the direction of a signal transmitted by the aircraft with respect to the ground system; - comparing (307) the information characteristic of the raw general direction of arrival of the aircraft with at least the information characteristic of the direction, and determining at least one item of information characteristic of the refined general direction of arrival of the aircraft relative to the given point in the landing zone.

IPC Classes  ?

• G05D 1/06 - Rate of change of altitude or depth
• G08G 5/00 - Traffic control systems for aircraft
• G01S 13/91 - Radar or analogous systems, specially adapted for specific applications for traffic control
• G01S 1/08 - Systems for determining direction or position line
• G01S 3/02 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
• G08G 5/02 - Automatic landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
• H04K 3/00 - Jamming of communication; Counter-measures

Abstract

The invention relates to a control device including a mechanical seal (24) which guides the rotation of a control lever (22) relative to a frame (20) about two pivot connections of orthogonal axes. The mechanical seal (24) comprises, for at least one of the pivot connections, a device (54) for returning a movable part (52) into a neutral position relative to a stationary part (50). This return device (54) comprises at least one elastic member (70) including two branches (72, 76) which each extend orthogonally to the axis (X) of the pivot connection from a finger (60) which is integral with one of the movable (52) and stationary (50) parts as far as each free end (74, 78). The or each elastic member (70) is able to prevent the free ends (74, 78) from moving towards one another. The elastic member (70) is inserted, in a transverse direction (T) which is orthogonal to the bisector (B) of the angle between the branches (72, 76), between a stationary pin (62, 64) which is secured to the stationary part (50) and a movable pin (66, 68) which is secured to the movable part (52).

IPC Classes  ?

• B64C 13/10 - Initiating means actuated personally comprising warning devices
• B64C 13/04 - Initiating means actuated personally
• G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks

Abstract

The invention relates to a method for controlling an aircraft comprising at least one camera and a guidance system configured to indicate a trajectory (Ta) to the aircraft (A), the method (1) being implemented by a computer and being characterised in that it comprises the following steps: - acquiring (11) a distance (D) between the aircraft (A) and an obstacle (O) on the trajectory (Ta) of the aircraft (A) and a time before the aircraft (A) collides with the obstacle (O) from images of the obstacle (O) obtained by the camera; - estimating (12) at least one radial speed (Vr) of the obstacle (O) using an extended Kalman filter taking as input the distance (D) and the time before the aircraft (A) collides with the obstacle (O); and - modifying (13) the trajectory (Ta) of the aircraft (A) by the guidance system, according to the estimated radial speed value (Vr) of the obstacle (O) and the distance (D) between the aircraft (A) and the obstacle (O), so as to avoid a collision of the aircraft (A) with the obstacle (O).

IPC Classes  ?

• G05D 1/10 - Simultaneous control of position or course in three dimensions
• G08G 5/04 - Anti-collision systems
• G08G 5/00 - Traffic control systems for aircraft

Abstract

The present invention relates to a navigation method and device (APP) for a vehicle (AC), and to an associated system (SYS), vehicle, computer program (PROG) and storage medium (MEM). The method comprises steps of: determining (S10), by a first navigation module (LOC_GPS), first navigation data for the vehicle (OUT_LOC_GPS) based on data (OUT_IMU, OUT_GPS) from an inertial measurement unit (IMU) and from a satellite positioning module (GPS); and determining (S20), by a second navigation module (LOC_VISION), second navigation data for the vehicle (OUT_LOC_VIS) based on: data (OUT_IMU, OUT_VIS) from the inertial measurement unit (IMU) and images acquired by the vehicle; and additionally based on data (OUT_GPS, OUT_BARO) from the satellite positioning module (GPS) and/or an altimeter (BARO).

IPC Classes  ?

• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01C 5/06 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means

Abstract

The present invention relates to a navigation method and device (APP) for an aircraft (AC), and to an associated system (SYS), aircraft (AC), computer program (PROG) and data storage medium (MEM). The proposed method is characterised in that a navigation module (LOC_VIS) determines navigation data (OUT_LOC_VIS) for the aircraft (AC) and in that it comprises: during a landing phase (S50, S70) of the aircraft (AC), a step of determining navigation data (OUT_LOC_VIS) on the basis of data from an inertial measurement unit (IMU) and images acquired by the aircraft (AC); and during a taxiing phase (S90), a step of determining navigation data (OUT_LOC_VIS) on the basis of data from the inertial measurement unit (IMU) and an odometer (ODOM).

IPC Classes  ?

• G08G 5/06 - Traffic control systems for aircraft for control when on the ground
• G08G 5/02 - Automatic landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01S 19/49 - Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
• G05D 1/00 - Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot

Abstract

This winding (12) for a planar power transformer comprises at least one stack (50) of conductor tracks (52, 53, 54A, 55, 56, 57, 58). These conductor tracks comprise a first set, forming a primary turn of the winding (12), composed of at least one conductor track referred to as a primary conductor track (52, 53), and a second set, forming a secondary turn of the winding (12), composed of at least one conductor track referred to as a secondary conductor track (55, 56, 57, 58). The first set comprises at least one pair of primary conductor tracks (134) composed of primary conductor tracks (52, 53) that are electrically connected to one other by at least one first electrical connection (136). At least one secondary conductor track (55, 56, 57, 58) extends perpendicular to said first electrical connection (136).

IPC Classes  ?

• H01F 27/28 - Coils; Windings; Conductive connections

Abstract

The invention relates to an actuator (20) designed to be connected to a mechanical flight control chain (13) of a vehicle, comprising a motor (22), a first output shaft (23) driven in rotation by the motor (22) about an axis of rotation (X-X) and a second output shaft (24) secured to the first output shaft (23) for conjoint rotation by a coupling/uncoupling device (30') in a coupled position. The coupling/uncoupling device (30') comprises a drive member (34) configured to couple the first output shaft (23) to the second output shaft (24) in the coupled position, a locking member (32') secured to the first output shaft (23) via at least one guide member (36') configured to lock the drive member (34) in the coupled position and an uncoupling member (38') configured to transmit an opening force (F4) to the locking member (32') in the direction of the second output shaft (24).

IPC Classes  ?

• B64C 13/24 - Transmitting means
• B64C 27/58 - Transmitting means, e.g. interrelated with initiating means or means acting on blades
• F16D 9/02 - Couplings with safety member for disconnecting by thermal means, e.g. melting member
• F16D 11/08 - Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially
• F16D 11/16 - Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially

Abstract

The invention relates to a method for processing an infrared image (16) captured by an infrared camera, the method comprising the following steps: - duplicating the infrared image (16) into a first image (20) and a second image (22) (step 18); - locally processing the first image (20) to generate high spatial frequencies by means of an image processing module (step 24); - globally processing the second image (22) by means of the image processing module (step 26); - merging the first image (20) with the second image (22) by means of a module for merging images into a final image (30) comprising at least one fraction of the first image (20) and at least one fraction of the second image (22) (step 28).

IPC Classes  ?

• G06T 5/00 - Image enhancement or restoration
• G06T 5/40 - Image enhancement or restoration by the use of histogram techniques

Abstract

The invention relates to a computer (3) comprising a housing in which at least three processing pathways (12a, 12b, 12c) are integrated, each of which processing pathways comprises: - a first module (21) arranged to acquire measurements produced by at least one sensor (8, 14, 15) to estimate navigation parameters and to check the validity of the navigation parameters by comparing them with those estimated by the other first modules; - a second module (22) arranged to generate commands on the basis of an aircraft trajectory setpoint and valid navigation parameters; - a third module (23) arranged to check the validity of the commands by comparing them with those estimated by the other second modules.

IPC Classes  ?

• G05D 1/00 - Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot

Abstract

The invention relates to an elementary lamination (10) in the form of a hollow disc, characterized in that the outside edge comprises a peripheral portion of said elementary lamination which has at least one structured section having a periodic structure (21) comprising a succession of periodicity elements, said periodic structure (21) being configured for aligning said elementary lamination in a helicoidal lamination stack (30), the peripheral portion further comprising at least one non-structured section (22), an orientation slot (23) being formed in the at least one non-structured section (22), said orientation slot being asymmetrical and/or closer to a periodic structure (21) on a first side of said non-structured section (22) than to the periodic structure (21) on a second side opposite from the first side of said non-structured section (22).

IPC Classes  ?

• H02K 1/24 - Rotor cores with salient poles
• H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
• H02K 24/00 - Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn

Abstract

The invention relates to a variable reluctance resolver (10), comprising a rotor (20) and a stator (30) coaxial with the rotor (20), the stator (30) comprising a plurality of teeth (31), two consecutive teeth (31) forming a tooth angle (ΘD), the rotor (20) comprising a stack of elementary strata coaxially stacked along a central axis (X), characterised in that each elementary stratum defines at least one pair of poles (21M, 21m), the stack comprising a first elementary stratum (25) defining the bottom of the stack and at least one upper elementary stratum (26) superimposed on the first elementary stratum (25), each upper elementary stratum (26) being angularly offset by an offset angle (ΘP) about the central axis (X) with respect to the underlying elementary stratum, the offset angle (ΘP) being equal to the tooth angle (ΘD) multiplied by (N-1)/N, N being the number of stacked elementary strata (25, 26).

IPC Classes  ?

• G01D 5/20 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature

Abstract

One aspect of the invention relates to a method (100) for mounting an electronic component (25) to a conductive layer (23) of a printed circuit board, the method comprising: 1) depositing (120) a solder paste (26) on the conductive layer (23), the solder paste comprising tin, copper balls and a solder flux; 2) positioning (130) the electronic component (25) on the solder paste; then 3) diffusion-soldering (140) the electronic component. Another aspect of the invention relates to a method (200) for producing a multilayer printed circuit board, the method comprising the following steps: a) mounting at least a first electronic component (25) on an inner conductive layer (23) of a printed circuit board; b) depositing (250) a dielectric layer (21) on the first electronic component (25) and the inner conductive layer (23); and c) mounting (260, 270) at least a second electronic component (24) on an outer conductive layer (22) of the printed circuit board.

IPC Classes  ?

• H05K 1/18 - Printed circuits structurally associated with non-printed electric components
• H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
• H05K 3/46 - Manufacturing multi-layer circuits

Abstract

The invention relates to an aerial vehicle comprising a fuselage (1) having a front portion (2) provided with an optronic sensor (10) and a cover (11) for protecting the sensor, the cover being removably mounted and held on the fuselage by at least one retaining member (14) arranged to protect the cover against aerodynamic forces exerted on the cover during flight, the air vehicle comprising a member (16) for deactivating the retaining member and an electronic control circuit (7) arranged to control the deactivation member in flight so as to allow the cover to be ejected.

IPC Classes  ?

• F42B 10/52 - Nose cones
• F42B 15/36 - Means for interconnecting rocket-motor and body section; Multi-stage connectors; Disconnecting means
• F42B 10/46 - Streamlined nose cones; Windshields; Radomes

Abstract

The invention relates to an observation device (26) comprising a mechanical structure (28), a camera (30) and a display module (32) comprising a first micro-display (38) configured to display an image of an item of spectral information measured by the camera (30), the observation device comprising an optical combiner (36) and an arrangement of optical components (34) configured to direct, to the optical combiner (36), an image output by the display module (32) and comprising the item of spectral information displayed by the first micro-display (38), the arrangement of optical components (34) comprising between one and three optical surfaces (40, 44, 46), the optical combiner (36) directing the overlaid image of an observed scene and the image output by the display module (32) to an observation zone (42).

IPC Classes  ?

• G02B 23/12 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
• G02B 27/01 - Head-up displays
• G02B 23/10 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
• G02B 23/14 - Viewfinders

Abstract

The present invention relates to optronic equipment (40) containing ballistic armor (10) comprising a three-dimensional reticular structure (20), which can in particular be regular and/or auxetic, and to a manufacturing process comprising a step of additively manufacturing at least the three-dimensional reticular structure (20).

IPC Classes  ?

• F41H 5/04 - Plate construction composed of more than one layer
• F41H 5/16 - Shields for ordnance
• F41G 1/00 - Sighting devices
• F41G 1/38 - Telescopic sights specially adapted for smallarms or ordnance; Supports or mountings therefor
• F41H 5/18 - Rotating shields
• F41H 5/26 - Peepholes; Windows; Covers therefor

Abstract

The invention relates to a movement transmission device (30) having: - a first assembly (100) comprising a housing (110) extending along a first axis (B); - a second assembly (200) configured to move in rotation and translation along the first axis inside the housing; - a first elastic member (300); wherein the first assembly comprises a first axial stop (121) and the second assembly comprises a first complementary axial stop (221), a first axial clearance (J1) being formed between the first axial stop and the first complementary axial stop, wherein the first elastic member is capable of being deformed during the translational movement of the second assembly along the first axis when an axial force greater than a first threshold is applied, the first complementary axial stop being axially supported by the first axial stop.

IPC Classes  ?

• F16C 19/16 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
• F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
• F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
• F16C 31/04 - Ball or roller bearings
• F16C 35/067 - Fixing them in a housing
• F16H 35/10 - Arrangements or devices for absorbing overload or preventing damage by overload
• B64D 11/06 - Arrangements or adaptations of seats

Abstract

The present invention relates to an electrical connector (10, 11) having: - a body (12, 21) made from an electrically conductive material, - at least one electrical conductor (13, 23) covered with a layer of electrically insulating material (15, 25), - at least one electrical terminal (16, 26) connected electrically to one end of the electrical conductor (13, 23), and - an insulating insert (18, 28) intended to electrically insulate the electrical terminal (16, 26) relative to the body (12, 21) of the electrical connector (10, 11), - the insulating insert (18, 28) having a first region of electrical continuity (31.1) covered with a layer of electrically conductive material (32, 34) to provide electrical continuity with the body (12, 21), and - a second region of electrical continuity (31.2) covered with a layer of electrically conductive material (33, 35) to provide electrical continuity with the electrical terminal (16, 26), - an elastic seal (40) being arranged in a space (41) in which a volume of air inside the electrical connector (10, 11) is liable to be subjected to a difference in electrical potentials between an electrical potential of the body (12, 21) and an electrical potential of the electrical terminal (16, 26), - the elastic seal (40) being in contact with the first region of electrical continuity (31.1) and with the second region of electrical continuity (31.2).

IPC Classes  ?

• H01R 13/53 - Bases or cases for heavy duty; Bases or cases with means for preventing corona or arcing
• H01R 24/38 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
• H01R 13/03 - Contact members characterised by the material, e.g. plating or coating materials
• H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases

Abstract

One aspect of the invention relates to a device for powering a synchronous motor comprising a control unit (U1) for controlling transistors of a voltage sine wave inverter (1) comprising an inductor (Li) connecting a first and second node of a transistor arm of the inverter. The control unit (U1) is configured so as, in a startup mode, to: evaluate, during startup, for each phase output, an average value of the direct phase current IPi transmitted at each phase of the synchronous machine according to at least the signal representative of the unidirectional variable direct current of the inductor ILi passing through the corresponding inductor, adjust the control of the transistors (Si, Si', Ri, Ri') according to a received setpoint and the average value of the direct phase current IPi evaluated according to a switching period Tsi and a cyclical charge ratio of the inductor αci.

IPC Classes  ?

• H02P 1/04 - Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
• H02P 6/20 - Arrangements for starting
• H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
• H02M 7/5387 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
• H02M 7/48 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Abstract

The invention relates to a device (2) for displaying images having adaptive brightness, comprising an eyepiece intended to accommodate at least one eye (4) of a user, and a digital display (4) in the visible range positioned behind the eyepiece, the display device comprising an illuminator (8) intended to illuminate the eye (4) of the user accommodated by the eyepiece, an image sensor (10) intended to collect an image of the eye of the user accommodated by the eyepiece, and a system (12) for the automatic control of the brightness of the digital display (6) on the basis of at least one physiological variable resulting from the image of the eye (4) of the user.

IPC Classes  ?

• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
• H04N 5/57 - Control of contrast or brightness
• G02B 27/01 - Head-up displays
• G06F 3/147 - Digital output to display device using display panels
• G09G 5/10 - Intensity circuits

Abstract

The invention relates to a device (100) for measuring the pressure of a tyre (2) mounted on a rim (1), comprising: - a valve (110) mounted on the rim (1) and comprising a first channel (112), a pin (115) mounted so as to be translationally movable in the first channel between an opening position and a blocking position; - an intermediate body (120) which is mounted on the valve and which defines a second channel (122) that extends the first channel and receives an attachment rod ((113300)) for attaching the intermediate body to the valve, the attachment rod having a first end suitable for bringing the pin from the blocking position into the opening position, and an intermediate portion that blocks the second channel; - a pressure sensor (140) accommodated in a third channel of the intermediate body that opens into the second channel; and - retaining means (150) for retaining the pressure sensor in the third channel of the intermediate body.

IPC Classes  ?

• B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
• B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
• B60C 29/00 - Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for

Abstract

One aspect of the invention relates to a process for manufacturing a printed circuit board (1), said process comprising a step of depositing a conductive material (5), by means of an additive-manufacturing device, on a first conductive track (3) that a first layer (2) of the printed circuit board initially has, said process further comprising steps of cutting beforehand, in a second layer (6) of the printed circuit board (1), a shape (7) complementary to the deposit of conductive material (5), and pressing the first layer (2) against said second layer (6).

IPC Classes  ?

• H05K 3/24 - Reinforcing of the conductive pattern
• H05K 1/02 - Printed circuits - Details
• H05K 1/18 - Printed circuits structurally associated with non-printed electric components
• H05K 3/42 - Plated through-holes
• H05K 3/46 - Manufacturing multi-layer circuits

Abstract

The invention relates to a flight test method for a system (10) for controlling at least one actuator (7) of an aircraft turbine engine, the system comprising an electric motor (6) and a power device (DP) that comprises at least one energy storage module (3) designed to be charged by an aircraft power system (1), a DC-DC conversion module (4), and a DC-AC conversion module (5), the method comprising steps of: comparing the voltage at the terminals of the energy storage module (3) with the voltage at the terminals of the DC-DC conversion module (4); providing a setpoint voltage as an input in order to verify that the output voltage is in accordance with a specified conversion ratio of the DC-DC conversion module; closing all of the lower transistors, opening all of the higher transistors; and issuing a first input pulse command in order to verify that the output voltage is zero.

IPC Classes  ?

• G01R 31/00 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Abstract

The invention relates to a system (9) for controlling actuators in an aircraft, the system comprising at least a first actuator (2-a) and a second actuator (2-b) each comprising: - a movement member (3-a, 3-b); - at least one measurement sensor (4-a, 4-b); and - a computing member (5-a, 5-b) internally connected to the movement member (3-a, 3-b) and configured to be connected to at least one electronic computer (1) of the aircraft, the computing member (5-a, 5-b) having a function (COM) for controlling the movement member (3-a, 3-b), the measurement sensor (4-a) of the first actuator (2-a) being externally connected to the computing member (5-b) of the second actuator (2-b), the computing member (5-b) of the second actuator (2-b) also having a function (MON) for monitoring the movement member (3-a) of the first actuator (2-a).

IPC Classes  ?

• B64C 13/50 - Transmitting means with power amplification using electrical energy

Abstract

The invention relates to a navigation method comprising: continuously calculating an inertial location and, at successive current times, obtaining a satellite location in order to calculate a hybrid location by hybridizing the inertial location and the satellite location. The method comprises: calculating an instantaneous deviation at a given time and then a sustained deviation from the time of calculation of the instantaneous deviation to the current time in order to have, for a given period of time, a plurality of sustained deviations from different times of calculation to the current time; calculating, for each sustained deviation, at least one detection indicator; comparing, with a threshold, the detection indicator in order to detect an error in the hybrid location at the current time.

IPC Classes  ?

• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01S 19/21 - Interference related issues

Abstract

The invention relates to an optronic system for monitoring a space surrounding a military aircraft (100), comprising an electronic processing unit (1), infrared optronic sensors (2) connected to the electronic processing unit (1) and at least one inertial measurement unit (3) connected to the electronic processing unit (1). The electronic processing unit (1) is arranged to: receive, from each optronic sensor (2), a plurality of image signals corresponding to images captured successively over a predetermined period of time; register the images relative to one another on the basis of inertial positioning data supplied by the inertial measurement unit (3); trigger an alert when several of the images comprise, after registration, the same area having an intensity that is greater than a predetermined threshold. The invention also relates to an aircraft equipped with such a device, and a method for monitoring an aircraft.

IPC Classes  ?

• G06V 10/24 - Aligning, centring, orientation detection or correction of the image
• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G06V 10/50 - Extraction of image or video features by summing image-intensity values; Projection analysis
• G06V 20/17 - Terrestrial scenes taken from planes or by drones
• G06V 20/56 - Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle

Abstract

One aspect of the invention relates to a system for displaying critical and non-critical information on a screen, comprising an electronic computing circuit and an electronic monitoring circuit, the electronic computing circuit being configured to: - process the critical information to be displayed; - construct an image from the non-critical information and incorporate therein the critical information to be displayed; - the monitoring circuit being configured to determine critical information expected for the display, the computing circuit is configured to transmit to the monitoring circuit at least one indicator of a critical state or of a non-critical state of the information rendered by each pixel of the image, - the electronic monitoring circuit is configured to: - extract from the image the critical information received from the indicator, - compare the result of a hash function applied to the expected critical information and to the received critical information.

IPC Classes  ?

• G09G 5/377 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of individual graphic patterns using a bit-mapped memory - Details of the operation on graphic patterns for mixing or overlaying two or more graphic patterns

Abstract

One aspect of the invention relates to a method for manufacturing a printed circuit (20), the method comprising: a first step (101) of positioning a magnetic core (21) on a first double-sided printed circuit (31); a second step (102) of depositing a resin layer on the first double-sided printed circuit (31), this resin layer (41) surrounding and covering the magnetic core (21); a third step (103) of positioning a second single-sided or double-sided printed circuit (32) on the resin layer (41); a fourth step (104) of pressing an assembly comprising the magnetic core (21) and the resin layer (41) and the first double-sided printed circuit and the second single-sided or double-sided printed circuit; and a fifth step (105) of forming a plurality of vias (51, 52) through the assembly.

IPC Classes  ?

• H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
• H01F 27/28 - Coils; Windings; Conductive connections
• H05K 1/16 - Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor

Abstract

The invention relates to a parachute comprising a canopy (2) having a leading edge (3) and a trailing edge opposite to the leading edge (3), suspension lines (5) each having a first end (6) attached to the leading edge (3) and a second end that is designed to bear a load, and a slider (8) having through-elements for the suspension lines to pass through, said elements being connected to one another by attachment means, each of the through-elements being passed through by one of the suspension lines (5) and being free to move in translation relative to the respective line, the slider (8) being suitable for being able to slide along the suspension lines that pass through the through-elements in the direction of the first ends (6) of the suspension lines (5) toward their second ends under the effect of gravity and the force generated by the separation of the suspension lines as the parachute starts to descend which tends to separate the suspension lines (5) when the canopy (2) inflates.

IPC Classes  ?

• B64D 17/06 - Canopy arrangement or construction formed with two or more canopies arranged in a cluster
• B64D 17/34 - Load suspension adapted to control direction or rate of descent
• B64D 17/36 - Load suspension incorporating friction devices or frangible connections to reduce shock loading of canopy
• B64D 17/08 - Secondary or shock-absorbing canopies attached to load line
• B64D 17/62 - Deployment

Abstract

The invention relates to a system (4) for controlling the speed of opening a sliding door for an aircraft comprising a mechanical braking device (5) for the door having a transmission shaft (9) and a centrifugal absorber (19) having a resistance shaft (22) connected to the transmission shaft, and linking means (6) that are designed to be connected to the sliding door and to co-operate with the transmission shaft so that, when the sliding door moves in a predetermined direction, the linking means drive the transmission shaft and the centrifugal absorber applies a resistance torque to the transmission shaft in order to control the speed of movement of the door. The system comprises a speed reducer (14) connecting the resistance shaft to the transmission shaft so that the speed of rotation of the resistance shaft is greater than that of the transmission shaft when the sliding door moves in the predetermined direction.

IPC Classes  ?

• B64C 1/14 - Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens

Abstract

Device (22) for transmitting a movement, the device comprising: - a screw (28) extending along an axis (X); - a nut (26); - a housing (24, 241); - a first elastic member (104); - a second elastic member (106); - a first assembly (200); - a second assembly (300); - a first axial stop (127); and - a second axial stop (123); the first elastic member (104) being able to be deformed independently of the second elastic member (106) under the effect of a first axial force (E1), the second elastic member (106) being able to be deformed independently of the first elastic member (104) under the effect of a second axial force which exceeds a second threshold.

IPC Classes  ?

• B64D 11/06 - Arrangements or adaptations of seats
• F16C 19/16 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
• F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
• F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
• F16C 31/04 - Ball or roller bearings
• F16C 35/067 - Fixing them in a housing
• F16H 35/10 - Arrangements or devices for absorbing overload or preventing damage by overload

Abstract

A method for controlling a target system (SC), comprising the following steps: - obtaining (E1) input data (DM) relating to at least one current state of the target system (SC); - obtaining (E10) at least one operating constraint (CT) of the target system (SC); - computing (E20) an envisaged sequence of control commands (CCE) for the target system by means of a predictive command (MPC) on the basis of said input data (DM), at least one target state of said target system and said constraint (CT); - computing (E30), by means of a function (F) readable by an electronic device, a reliability value (S) for said envisaged sequence of control commands (CCE) in accordance with at least one security criterion, on the basis of said envisaged sequence of control commands (CCE) and said constraint (CT); - generating (E40) at least one security command (CS) on the basis of said reliability value (S) and a security policy; - generating (E50) a control command (CC) on the basis of said envisaged sequence of control commands (CCE) and said security command (CS), and applying this control command (CC) to the target system (SC).

IPC Classes  ?

• G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
• G05B 23/02 - Electric testing or monitoring

Abstract

The system for controlling the speed of movement of a sliding door for an aircraft comprises an electromagnetic braking means for braking the door having a transmission shaft (8) and electromagnetic resistive means (18). The resistive means are autonomous and have a control law relating a first damping value to a first speed threshold for the speed of movement of the door and a second damping value to a second speed threshold for the speed of movement of the door, the resistive means applying to the transmission shaft the resistive torque equal to a first torque that is proportional to the first damping value when the speed of movement is higher than the first speed threshold and applying the resistive torque equal to the sum of the first torque and of a second torque that is proportional to the second damping value when the speed of movement is higher than the second speed threshold.

IPC Classes  ?

• B64C 1/14 - Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens

Abstract

A smart converter (C) for a synchronous motor (M) comprising transistors (t1-t6) for converting DC current into AC current (i1-i3) on each phase line (P1-P3), one current sensor (IP1-IP3) per phase line and a smart control unit (U1) controlling each transistor so as to form, on each line, an overall AC voltage signal comprising a superimposition of an AC-power voltage signal with a measurement signal having a frequency at least 20 times greater than the first frequency of the power signal. The smart control unit demodulates the signals (Si1-Si3) from the current sensors in order to identify two possible angular positions of the rotor and extract, at the same time, a sign of a 2nd-order harmonic of the current from each measurement signal in order to estimate the angular position of the rotor from among the two identified possible angular positions of the rotor.

IPC Classes  ?

• H02P 6/18 - Circuit arrangements for detecting position without separate position detecting elements
• H02P 1/04 - Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter

Abstract

The invention relates to a method for controlling a three-phase electric motor (2) that is supplied with power by an inverter (3) receiving control signals that are determined by a space vector modulation according to a pair of supply voltages in a two-phase rotating reference frame linked to the electric field of the electric motor, wherein: the resistance of the electric motor is estimated and the components in the two-phase rotating reference frame of the supply voltages of the electric motor are subsequently determined according to the resistance of the electric motor, the cyclic inductance of the motor in the two-phase reference frame linked to the electric field, the speed of rotation of the electric field, the current setpoints in the two-phase reference frame linked to the electric field and the maximum value of the magnetic flux produced by the magnets through a phase of the motor.

IPC Classes  ?

• H02P 21/05 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for damping motor oscillations, e.g. for reducing hunting
• H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
• H02P 29/20 - Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors for controlling one motor used for different sequential operations

Abstract

The invention relates to a communication network (4) for connecting a plurality of electronic processing units (5, 6, 7, 8) to one another, the network comprising at least one switch which has at least one input port and at least one output port for connecting it to the electronic processing units and which is arranged to transmit a data frame of a data stream between at least two of the electronic processing units, the switch comprising at least one electronic circuit (19) that is arranged to manage a transit time for the data frame between the two electronic processing units.

IPC Classes  ?

• H04L 12/44 - Star or tree networks
• H04L 12/40 - Bus networks

Abstract

One aspect of the invention relates to a device (220) for controlling access to a non-volatile memory (230), access being requested by an electronic system (210), the device (220), the electronic system (210) and the volatile memory being included in an on-board system (200), the device (220) being configured to: - receive a request (210) from the electronic system to write or read the non-volatile memory (230); - receive a datum (202), sent by the electronic system (210), relating to a context of use of the on-board system (200); - authorize access to the volatile memory (230) when a rule from a set of predetermined rules is observed, the rule being based on the request (201) and the context datum (202); the access authorization comprising the access control device (220) sending the first signal to the non-volatile memory (230).

IPC Classes  ?

• G11C 5/00 - STATIC STORES - Details of stores covered by group
• G11C 7/24 - Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells
• G11C 8/20 - Address safety or protection circuits, i.e. arrangements for preventing unauthorized or accidental access
• G11C 11/16 - Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
• G11C 11/22 - Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements
• G11C 13/00 - Digital stores characterised by the use of storage elements not covered by groups , , or
• G11C 16/22 - Safety or protection circuits preventing unauthorised or accidental access to memory cells
• G06F 12/14 - Protection against unauthorised use of memory
• G11C 11/4078 - Safety or protection circuits, e.g. for preventing inadvertent or unauthorised reading or writing; Status cells; Test cells
• G11C 29/52 - Protection of memory contents; Detection of errors in memory contents

Abstract

The invention relates to a method for estimating the direction of arrival of an electromagnetic wave at an antenna array (2), comprising the steps of: - estimating (202) a covariance matrix of signals acquired by the antenna array (2); - calculating (204) a normalised eigenvector of the covariance matrix; - correlating (205) the normalised eigenvector with a first reference table and a second reference table so as to produce a first correlation spectrum and a second correlation spectrum comprising correlation indices associated, respectively, with different directions of arrival; - constructing (312) a third reference table by linear combination of the first reference table and the second reference table with a polarisation component of the electromagnetic wave in the first direction and the second direction, respectively; - correlating (314) the normalised eigenvector with the third reference table so as to produce a third correlation spectrum comprising correlation indices associated with different directions of arrival; - identifying (316) a direction of arrival associated with a maximum correlation index of the third correlation spectrum.

IPC Classes  ?

• G01S 3/04 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves - Details
• G01S 3/08 - Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
• G01S 3/46 - Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
• H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

Abstract

The invention relates to an acquisition device (1) including a mosaic of filters (2) comprising super-macropixels (SM), each including a plurality of macropixels (M) which each comprise a plurality of elementary pixels (Pe), each super-macropixel being such that: o each macropixel of said super-macropixel forms a general band-pass filter allowing a general spectral band to pass therethrough, the general spectral bands being separate from and consecutive to one another; o each elementary pixel of each macropixel forms an elementary band-pass filter allowing an elementary spectral band (Bel, Be2, Be3, Be4) to pass therethrough, the elementary spectral bands being separate from and consecutive to one another; o for any pair of two macropixels having a side that is shared or a side portion that is shared, the general spectral bands associated with the two macropixels are not adjacent to one another.

IPC Classes  ?

• H04N 5/33 - Transforming infrared radiation
• H04N 23/11 - Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
• H04N 25/13 - Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
• G01J 3/28 - Investigating the spectrum

Abstract

The invention relates to a navigation method using a plurality of pseudo-measurements obtained from satellite signals, the method implementing a Kalman filter bank comprising a main filter calculating a main navigation solution from the pseudo-measurements originating from satellites, and sub-filters each calculating a secondary navigation solution, and at least one innovation of the pseudo-measurements for each non-excluded satellite and a cross-innovation. The invention provides for determining an indicator from the sensitivity of the cross-innovation to the innovations of the non-excluded pseudo-measurements. The invention also relates to a corresponding navigation system and to a vehicle equipped with same.

IPC Classes  ?

• G01S 19/20 - Integrity monitoring, fault detection or fault isolation of space segment

Abstract

One aspect of the invention relates to a system (20) for transmitting commands to at least one hydraulic servo actuator (30), comprising: - a mechanical system (21) including: o a rotary electrical actuator (211) comprising a first and a second channel (211a, 211b), o a linear electrical actuator (212) comprising a third channel (212c), the linear electrical actuator (212) being connected to the rotary electrical actuator (211) by a mechanical connection (213) and being connected to the hydraulic servo actuator (30) by a mechanical connection (214); - a control system (22) including: o a first control device (221) connected via an electrical connection to the first channel (211a); o a second control device (222) connected via an electrical connection to the second channel (211b); o a third control device (223) connected via an electrical connection to the third channel (212c).

IPC Classes  ?

• B64C 13/40 - Transmitting means with power amplification using fluid pressure
• B64C 13/50 - Transmitting means with power amplification using electrical energy
• B64C 27/64 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using fluid pressure, e.g. having fluid power amplification
• B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
• F15B 20/00 - Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Abstract

This device for measuring the torque of a torque-transmitting drivetrain (4) comprises two measurement rings (12) arranged on a transmission shaft (10) of the transmission drivetrain (4) and at a distance from each other, two sensors (14) for measuring an angle of rotation of the measurement rings, each positioned opposite a measurement ring (12), and a means (16) for calculating torque based on the measurements of the sensors (14).

IPC Classes  ?

• G01L 3/12 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means
• G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating

Abstract

The invention relates to a device for measuring the oxidation of an element (4) comprising a carbon-carbon composite, including a means (10) for measuring the diamagnetism of the element (4) and a means for converting the diamagnetism measurement into an oxidation measurement.

IPC Classes  ?

• C04B 35/83 - Carbon fibres in a carbon matrix
• F16D 69/02 - Composition of linings
• G01N 27/90 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents

Abstract

The invention relates to an optronic sight (2) for a motorized vehicle such as an aerial, marine or land vehicle, comprising a sighting module (4) able to be moved about a first axis (8a) and about a second axis (10) that is not parallel to the first axis (8a), - means (17a, 17b) for moving the sighting module about the first axis (8a) and the second axis (10), - means (14) for continuously measuring an angular datum of said module (4) about first and second axes, characterized in that it comprises a feedback control loop comprising: - means for acquiring the fundamental frequency of vibratory disturbances caused by the operation of at least one device of the sight, and - an adaptive corrector (26) configured to receive as input: - the fundamental frequency, - a difference between an angular setpoint value (yck) and the angular datum, - to provide as output a movement setpoint value to the movement means (17a, 17b).

IPC Classes  ?

• F41G 3/22 - Aiming or laying means for vehicle-borne armament, e.g. on aircraft
• G05D 19/02 - Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
• G01S 7/497 - Means for monitoring or calibrating
• G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
• F41G 3/16 - Sighting devices adapted for indirect laying of fire

Abstract

The invention relates to an electrical insulating element (10) for a stator (3) comprising a stack of magnetic sheets having at least one first stator tooth (6) and comprising at least one first stator coil (9) wound around the first stator tooth, the first stator tooth having a first end face (7) located at one end of the stack of magnetic sheets, and the insulating element comprises an electrically insulating foil having a face coated with an adhesive. The insulating element is configured to be inserted between the first face of the first stator tooth and the stator coil, the face coated with adhesive being adhered to the first face.

IPC Classes  ?

• H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation

Abstract

Computing architecture comprising nodes, one node running a main cyber security program and the others running an agent cyber security program. Each agent cyber security program is designed to carry out at least one action of neutralizing target nodes and make decisions to assign the target nodes by way of a consensus decision algorithm with the agent programs running on neighbour nodes. The main program is designed to carry out a plurality of actions including collecting interface polling outcomes from the agent programs, deduce the target nodes therefrom and suggest them to the agent programs.

IPC Classes  ?

• H04L 9/40 - Network security protocols

Abstract

Disclosed is a device for generating electrical energy, comprising: a first loop for circulating a first two-phase element and comprising at least one first evaporating structure (2) fluidly connected to a first condensing structure (3); a second loop for circulating a second two-phase element and comprising a second evaporating structure (4) fluidly connected to at least one second condensing structure (5), the evaporating temperature of the second two-phase element being lower than the evaporating temperature of the first two-phase element; and a set of thermoelectric elements (8) having a first face (8a) connected to the first condensing structure (3) and a second face (8b) connected to the second evaporating structure (4).

IPC Classes  ?

• F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
• B64D 41/00 - Power installations for auxiliary purposes
• H10N 10/13 - Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
• F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing

Abstract

Method for visualising impacts of laser pulses emitted by a laser designator, according to a predetermined repetition interval (PRI), onto a target present in a scene, by means of a device comprising: an optronic sensor of the silicone-based CMOS type having a predetermined number of rows associated with a rolling shutter-type readout circuit. Each row of the sensor is exposed for an exposure time and read during a reading time so that the exposure time is no less than the reading time but no more than the product of the reading time and the number of rows. A transition between the rows exposed to a signal and the rows not exposed to said signal is detected in at least two images in order to infer the PRI.

IPC Classes  ?

• F41G 3/14 - Indirect aiming means
• F41G 3/02 - Aiming or laying means using an independent line of sight
• F41G 3/16 - Sighting devices adapted for indirect laying of fire
• F41G 7/22 - Homing guidance systems
• G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
• G01S 7/48 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group

Abstract

One aspect of the invention relates to a method for detecting a failure of a barometric altimeter included in an airborne system comprising at least one accelerometer and at least one processor implementing a baro-inertial loop taking as input at least one vertical acceleration, which originates from at least one measurement of the accelerometer, and at least one barometric altitude, which originates from at least one measurement of the barometric altimeter, wherein the baro-inertial loop is configured so as: - to provide a vertical position and a vertical speed on the basis of the vertical acceleration; - to correct the vertical position and the vertical speed on the basis of the barometric altitude, a position correction gain, a vertical speed correction gain and a vertical acceleration correction gain. The method is characterised in that it comprises a step of detecting a failure of the barometric altimeter when a correction value derived from the vertical acceleration correction gain exceeds a threshold.

IPC Classes  ?

• G01C 5/00 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
• G01C 5/06 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
• G01P 3/62 - Devices characterised by the determination of the variation of atmospheric pressure with height to measure the vertical components of speed
• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation

Abstract

The invention relates to a method for limiting baro-inertial vertical speed correction, baro-inertial vertical speed being calculated by a baro-inertial loop implemented by a processor included in an airborne system further comprising an accelerometer and a barometric altimeter, the loop taking a vertical acceleration and a barometric altitude as input and being configured so as: - to provide at least one altitude and the vertical speed; - to correct the altitude and the vertical speed on the basis of the barometric altitude, a position correction gain, a vertical speed correction gain and a vertical acceleration correction gain. The method comprises a step of limiting vertical speed correction when the absolute value of the difference between the barometric altitude and the altitude exceeds a predetermined threshold, said step of limiting vertical speed correction comprising modification of the position correction gain.

IPC Classes  ?

• G01P 3/62 - Devices characterised by the determination of the variation of atmospheric pressure with height to measure the vertical components of speed
• G01P 7/00 - Measuring speed by integrating acceleration
• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01C 5/06 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means

Abstract

The invention relates to a method for locating a target by means of a detecting device comprising a photodetector comprising NxM quadrants positioned with respect to a sighting axis of the detecting device, the photodetector being configured to detect optical signals from the target to be detected, said method being implemented in a processing unit of said device and comprising the following steps, the target scattering an optical signal: - acquiring the signals detected by each quadrant, which correspond to the signals scattered by the target toward the quadrants; - processing the acquired signals to determine an elevation angle error and an azimuth angle error of the direction of the target with respect to the sighting axis of the device; - processing the acquired signals with a view to deducing therefrom indicators of the distribution of the signals detected by the quadrants; - processing the determined elevation angle error and azimuth angle error with a view to deducing therefrom indicators of the theoretical distribution of the signals in the quadrants for these angle errors; - verifying the coherence of the theoretical distribution indicators with the distribution indicators obtained using the acquired signals so as to determine whether the measured angle error is valid.

IPC Classes  ?

• G01S 7/4863 - Detector arrays, e.g. charge-transfer gates
• G01S 13/44 - Monopulse radar, i.e. simultaneous lobing
• F41G 7/22 - Homing guidance systems
• G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
• G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
• G01S 17/66 - Tracking systems using electromagnetic waves other than radio waves

Abstract

The invention relates to a navigation method of a vehicle (A) equipped with a star tracking device (3), a first inertial measurement device (320) and a satellite positioning device (2), the star tracking device and the first inertial measurement device being rigidly connected to a single support (312), the method comprising the steps of: controlling movements of the support according to different tracking headings of the star tracking device; simultaneously with these movements, calculating, in a horizontal plane, first positions of the vehicle on the basis of a first navigation algorithm using stellar measurements, and second positions of the vehicle on the basis of a second navigation algorithm using first inertial measurements from the first inertial measurement device coupled with satellite measurements; calculating first deviations between the first positions and the second positions corresponding to each tracking heading and depicting them in a polar reference frame (P) as a function of the corresponding heading and the values of the first deviations; carrying out a circular regression on said first deviations in order to determine, in this polar reference frame, a first circle (C1) representative of all the first deviations; and determining a radius (r1) of the circle and a second deviation between a centre (o1) of the first circle and an origin (O) of the polar reference frame.

IPC Classes  ?

• G01C 21/02 - Navigation; Navigational instruments not provided for in groups by astronomical means

Abstract

The invention relates to an inertial navigation system (D) intended to be carried on board a vehicle (S), comprising at least two first inertial measurement units (10.1, 10.2, 10.3) of the type connected to the vehicle, and at least two second inertial measurement units (20.1, 20.2, 20.3) each secured to a turntable (30.1, 30.2, 30.3) mounted with the ability to pivot about an axis of rotation (R1, R2, R3), the axes of rotation of the second inertial measurement units being angularly offset from one another, the system comprising an electronic location calculation unit (50) which is connected to the inertial measurement units and to a motor that drives the rotation of the turntables in order to control them and which employs at least a filtering algorithm in order to observe and correct a discrepancy between the positions provided by the measurement units, the electronic unit being programmed to control the motor in such a way as to cause the turntables to pivot and process the measurements simultaneously coming from the second inertial measurement units in at least two distinct angular positions of each turntable and of the first measurement units.

IPC Classes  ?

• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation

Abstract

The invention relates to an anti-jamming antenna device comprising: an antenna having a uniform radiation pattern; a mesh structure (3) covering the antenna, said mesh structure being configured to modify the radiation pattern of the antenna so as to generate and to orient at least one lobe and/or gain slot in at least one direction of interest.

IPC Classes  ?

• H01Q 3/44 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
• H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
• H01Q 15/14 - Reflecting surfaces; Equivalent structures
• G01S 19/00 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems

Abstract

The invention relates to a force application device for an aircraft control stick, in which the computer is configured: a) for an angle (ANG1) smaller than or equal to a prescribed virtual stop threshold (S1, S2), to control the motor so that it applies a resistive force (EFF1) to the lever, according to the angle (ANG1), and to deactivate the brake; b) for an angle (ANG1) which is increasing beyond the prescribed threshold (S1, S2), to control the motor and activate the brake so that they apply a resistive force (EFF2) to the lever that is higher than the value (V1); c) for an angle (ANG1) which is decreasing while being higher than the prescribed virtual stop threshold (S1, S2), to control the motor so that it applies a return force (EFF3) to the lever according to the angle (ANG1) and to deactivate the brake.

IPC Classes  ?

• B64C 13/04 - Initiating means actuated personally
• B64C 13/50 - Transmitting means with power amplification using electrical energy
• B64C 13/28 - Transmitting means without power amplification or where power amplification is irrelevant mechanical
• G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
• G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce

Abstract

The invention relates to a self-adaptive shielding device for a lens or a window (1) of a piece of equipment provided with an electrically conductive enclosure (10) enclosing an optical or RF sensor (20) behind said lens or said window, said device comprising, on at least one face of said lens or said window, a shielding screen comprising a switchable RF shielding mesh (2) with a micrometric pitch at least partially surrounded by an edge of metal-insulator transition material (3) arranged between said mesh and an electrically conductive envelope (11) for shielding said equipment, comprising a susceptor element (5) arranged opposite or in contact with said metal-insulator transition material and suitable for transforming incident electromagnetic energy (RFH) into an amount of heat for activating said metal-insulator transition material (3, 3a, 31), said susceptor element being dimensioned to cause a transition to the conductive state of said metal-insulator transition material (3, 3a, 31, 31a) by means of said electromagnetic energy so as to electrically connect said mesh to said electrically conductive envelope when the incident electromagnetic energy exceeds a given threshold.

IPC Classes  ?

• G02B 26/00 - Optical devices or arrangements for the control of light using movable or deformable optical elements
• H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
• G01J 5/06 - Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity

Abstract

The invention relates to a method and a system for determining the temperature in a mounted aircraft tyre. The system is characterized in that it comprises two temperature sensors installed inside the tyre.

IPC Classes  ?

• G01L 11/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group or
• B64F 5/60 - Testing or inspecting aircraft components or systems
• G01K 3/06 - Thermometers giving results other than momentary value of temperature giving integrated values in respect of space
• G01L 17/00 - Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
• B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
• B64C 25/36 - Arrangements or adaptations of wheels, tyres or axles in general
• G01K 1/02 - Means for indicating or recording specially adapted for thermometers

Abstract

A method of manufacturing a pump element for a chamber (3) under partial gas pressure, the pump element comprising a substrate covered with a getter layer based on metallic material, the method being characterised in that comprises the following steps: - placing, in a vacuum processing chamber, the substrate and a target (C) in said metallic material, - propelling ions (I) against the target to extract particles of metallic material therefrom and project them against a surface of the substrate at an oblique angle of incidence. A chamber under partial gas pressure containing a getter produced in this way.

IPC Classes  ?

• C23C 14/22 - Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
• C23C 14/14 - Metallic material, boron or silicon
• C23C 14/46 - Sputtering by ion beam produced by an external ion source
• C23C 14/34 - Sputtering

Abstract

The invention relates to an optical element (30) comprising: - a transparent substrate (32), - an intermediate coating (38) extending over at least one main surface (36) of the substrate (32), the intermediate coating (38) comprising a plurality of dense thin layers (38a, 38b) having, alternately, a first optical index and a second optical index, the first optical index being greater than the second optical index. The optical element (30) also comprises: - at least one porous layer (42) extending over the intermediate coating (38) opposite the substrate (32), the porous layer (42) having a third optical index, the third optical index being lower than the first and second optical indices.

IPC Classes  ?

• G02B 1/115 - Multilayers
• C23C 14/22 - Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating

Abstract

Functionalised optical element. The invention relates to an optical element (30) comprising: • - a transparent substrate (32), • - a protective coating (34) comprising at least one layer of a resistant material extending over at least one main surface (36) of the substrate (32), the protective coating (34) comprising an outer surface (38) extending away from the substrate (32). The outer surface (38) comprises reliefs (40) etched into the layer of resistant material, each relief (40) having an axial dimension (a), measured in a direction perpendicular to the external surface (38), of less than 500 nanometers.

IPC Classes  ?

• G02B 1/11 - Anti-reflection coatings
• G02B 1/113 - Anti-reflection coatings using inorganic layer materials only
• G02B 1/18 - Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
• G02B 1/118 - Anti-reflection coatings having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures

Abstract

The invention relates to a measuring device (10) having a magnetic circuit comprising a first armature element (11) and a second armature element (12), which are positioned one on either side of an axis X and manufactured with at least one ferromagnetic material; a magnet (13) situated between the armature elements such that a first pole (13a) of the magnet is positioned next to the first armature element (11) and such that a second pole (13b) of the magnet is positioned next to the second armature element (12); a rod (14) arranged so as to be secured to a target and inserted between the armature elements so as to slide along the axis X, the rod having a variable section along its length such that a magnetic flux in the magnetic circuit depends on a linear position of the rod along the axis X; at least one sensor (15) arranged so as to measure the magnetic flux, and therefore the linear position of the rod (14), and therefore the linear position of the target.

IPC Classes  ?

• G01B 7/00 - Measuring arrangements characterised by the use of electric or magnetic techniques
• G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
• G01D 5/04 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means using gearing
• G01D 5/56 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups , , , , and using electric or magnetic means

Abstract

This device for heating a substrate (2) in a vacuum chamber for multilayer deposition on said substrate (2) comprises a heat source (5) intended to be in contact with the substrate (2), a support (6) for the heat source (5), a thermal insulator (7) positioned between the support (6) and the heat source (5), a battery (8) for supplying the heat source (5) with power, and a structure (15) for holding the substrate (2) against the heat source (5).

IPC Classes  ?

• C23C 14/50 - Substrate holders
• C23C 14/54 - Controlling or regulating the coating process
• C23C 16/458 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
• C23C 16/46 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes characterised by the method of coating characterised by the method used for heating the substrate
• H01L 21/687 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
• H01L 21/67 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components

Abstract

NMM in which each column corresponds to the signal received by each antenna, N denoting the number of samples acquired during a fixed period ΔT and M being the number of antennas.

IPC Classes  ?

• G01S 19/21 - Interference related issues
• G01S 3/74 - Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals
• H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
• H04K 3/00 - Jamming of communication; Counter-measures
• G01S 19/36 - Constructional details or hardware or software details of the signal processing chain relating to the receiver frond end

Abstract

A method comprising steps of: performing spatial filtering (104, 204) causing an attenuation of power of radio signals received by an antenna system in an angular sector (A); detecting (106, 206, 210) that a radio signal is received by the antenna system while the angular sector (A) includes a direction pointing at a satellite (S1) forming part of a constellation of positioning satellites, that the received radio signal is not subject to the attenuation caused by the spatial filtering, and that the received radio signal is in the form of a positioning signal emanating from the satellite (S1); and, following the detection, implementing processing (112, 114, 212, 214) under the assumption that the antenna system has fallen victim to decoying.

IPC Classes  ?

• G01S 19/21 - Interference related issues

Abstract

The invention relates to a method for detecting obstacles, comprising the steps of: - implementing a semantic segmentation algorithm to produce a first segmented image (Ie1) from a first raw left or right image; - rectifying the raw stereo images to obtain rectified stereo images (Isr), and the first segmented image to obtain a first rectified segmented image (Ier1); - producing a disparity map (Cd); - producing a second rectified segmented image; - producing a list of predefined instances of obstacles (Obst) present in the vehicle's environment from the rectified segmented stereo images; and - integrating the predefined instances of obstacles into intermediate images obtained from the rectified stereo images (Isr).

IPC Classes  ?

• G06V 20/17 - Terrestrial scenes taken from planes or by drones
• G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
• G06V 20/70 - Labelling scene content, e.g. deriving syntactic or semantic representations
• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
• G06T 7/593 - Depth or shape recovery from multiple images from stereo images
• G05D 1/00 - Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot

Abstract

The invention relates to a system (10) for coupling two shafts, namely a driving shaft (12) and a driven shaft (14), in rotation without play, the driving shaft having a tubular end (18) provided with at least one internal longitudinal groove (22) receiving the driven shaft (14) having at its end a projecting cylindrical transverse pin (24) able to engage in the groove (22), and a return spring (28) for the pin (24) that urges the pin (24) without play against a longitudinal edge (26) of the groove (22), comprising a first helical section (42) for fastening to the driven shaft (14) and threaded by screwing through the pin (24), a second section (46) able to bear on the pin (24), and a third elastic return section (50) able to act elastically on the second section (46).

IPC Classes  ?

• F16D 1/112 - Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
• F16D 1/108 - Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling

Abstract

A control column (2) for a vehicle comprising a control lever (3) connected to a mechanical chain, a cup (4) and a locking device (1), the control lever (3) being oriented relative to a pivot point (6) of the control column (2), the locking device (1) further comprising a frame (9), a lower jaw (8) and an upper jaw (7) which are movable between a locking position of the cup (4) between the jaws (7; 8) and a free position, the lower jaw (8) and the upper jaw (7) being rigidly attached to the frame (9).

IPC Classes  ?

• G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
• B64C 13/04 - Initiating means actuated personally

Abstract

This device (6) for managing implementation of a limitation of the value of a current output from non-rechargeable means (5) for storing electrical energy that are intended to power wireless means (4) for transmitting periodically, comprises: - computing means (7) able to determine a current-threshold value depending on a physical quantity; - a current-limiting circuit (10); - rechargeable means (9) for storing electrical energy, which are coupled to the limiting circuit (10) and are intended to power said data-transmitting means (4) and, - control means (11) able to control the limiting circuit (10) in order to make it perform, for a predetermined time, said limitation only when the value of the current is lower than the threshold value, the limiting circuit (10) being able to deliver the limited current to the rechargeable means (9) for storing electrical energy.

IPC Classes  ?

• H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/44 - Methods for charging or discharging

Abstract

The invention relates to an assistance system worn in service by at least one user for the execution of at least one task or activity, the system comprising a device having a first interface (13) and a second interface (30), the first interface being mounted movably relative to the second interface about at least one given axis of rotation, the system comprising at least one cable (17) extending between an actuating unit and the device, the cable being fastened at its proximal end to an actuating member of the actuating unit and at its distal end to a lateral and/or rear attachment region of the second interface, the system further comprising a sheath (18) for protecting the cable that extends over only a section of the cable. The invention also relates to an assistance apparatus comprising such a system

IPC Classes  ?

• B25J 9/00 - Programme-controlled manipulators
• A61H 1/02 - Stretching or bending apparatus for exercising
• B25J 9/10 - Programme-controlled manipulators characterised by positioning means for manipulator elements
• A61H 3/00 - Appliances for aiding patients or disabled persons to walk about

Abstract

A position sensor (10) comprising a supporting structure (10) bearing two elements capable of translational movement relative to one another in a first direction (O20), namely a magnetic-field-emitting element (20) for generating a magnetic field (21), and a magnetic-field-detecting element (30, 31), the magnetic-field-emitting element (20) being arranged in such a way that an orientation of the magnetic field (21), which orientation is considered in a first plane (P) orthogonal to the first direction (O20), changes as a function of a distance (d22) separating the first plane (P) from a first end (22) of the magnetic-field-emitting element (20), the magnetic-field-detecting element (30, 31) being configured to produce a signal (30.1, 30.2) indicative of the orientation of the magnetic field (21). Brake and aircraft equipped with such a detector.

IPC Classes  ?

• G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
• G01B 7/00 - Measuring arrangements characterised by the use of electric or magnetic techniques

Abstract

An observing device comprising an orientable optronic sight (10) connected to a first electronic unit (31) arranged to command acquisition according to image-capture parameters and an orientable optical sight (20) connected to a second electronic unit (32) arranged to communicate to the first electronic control unit image-capture parameters of the optical sight, the first electronic unit having a slave operating mode in which the optronic sight is commanded to make acquisitions according to the image-capture parameters of the optical sight and at least one autonomous operating mode in which the optronic sight is commanded to make acquisitions independently of the image-capture parameters of the optical sight. Vehicle comprising such a device.

IPC Classes  ?

• F41G 3/02 - Aiming or laying means using an independent line of sight
• F41G 3/04 - Aiming or laying means for dispersing fire from a battery
• F41G 3/06 - Aiming or laying means with rangefinder
• F41G 3/16 - Sighting devices adapted for indirect laying of fire
• F41G 3/22 - Aiming or laying means for vehicle-borne armament, e.g. on aircraft
• F41G 5/24 - Elevating or traversing control systems for guns for vehicle-borne guns for guns on tanks
• G01S 7/48 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
• G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging

Abstract

The present invention relates to a direct optical path (1) comprising: - an optical lens system (2), - an ocular path separation system (3), - a system for injecting a video pathway (4), - a first observation optical path (5), and - a second observation optical path (6). - characterised in that the direct optical path (1) comprises: means for rotating the first observation optical path (5), in particular for interpupillary adjustment, and a first optical rectification system (8) and a second optical rectification system (10) for each of the first observation optical path (5) and the second observation optical path (6), respectively.

IPC Classes  ?

• G02B 7/12 - Adjusting pupillary distance of binocular pairs
• G02B 23/18 - Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements
• G02B 27/32 - Fiducial marks or measuring scales within the optical system
• G02B 27/36 - Fiducial marks or measuring scales within the optical system adjustable

Abstract

The invention relates to an aircraft flight compensator comprising a friction module (8) that has variable friction and is coupled on one side to a drive shaft (11) and on the other side to an output shaft (13) via a kinematic chain (12). It comprises a control circuit (16) which controls the friction module on the basis of an angular displacement value of the output shaft provided by a position sensor (15) and on the basis of a force feedback control signal (Sh) provided by a flight control computer (FCC).

IPC Classes  ?

• B64C 13/04 - Initiating means actuated personally
• B64C 13/22 - Initiating means actuated automatically, e.g. responsive to gust detectors readily revertible to personal control
• B64C 27/57 - Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust
• B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
• G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce

Abstract

The invention relates to a method for in situ calibration of a pixel array of an infrared sensor, said infrared sensor comprising: an optical system (2); and a pixel array (3) disposed in the focal plane (4) of the optical system (2), said optical system (2) allowing radiation to be focused on the pixel array (3). The method comprises the following steps carried out in a processing unit (7) connected to the infrared sensor, with the pixel array being characterised by a pixel gain table: acquisition (E2) by the pixel array of a first sequence of images of the radiation from a black screen (CN) corresponding to a scene at a first temperature; acquisition (E4) by the pixel array of a second sequence of images of the partially reflected radiation from the pixel array corresponding to a scene at a second temperature; processing (E5, E6, E7, E8, E9) of the first and second image sequences such as to update the gain table by calculating a correction representative of the aging and response of the pixels of the pixel array.

IPC Classes  ?

• G01J 5/53 - Reference sources, e.g. standard lamps; Black bodies
• G01J 5/80 - Calibration
• H04N 5/365 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
• H04N 5/33 - Transforming infrared radiation

Abstract

The invention relates to an aircraft flight compensator control system including a motor (3) and a variable-friction actuator (6) coupled to the motor and to an output shaft (8). The variable-friction actuator includes a variable-friction-torque magnetic clutch connected to the output shaft

IPC Classes  ?

• B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
• B64C 27/56 - Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated
• B64C 13/50 - Transmitting means with power amplification using electrical energy

Abstract

Method for monitoring an aircraft landing gear (100) comprising the step of using information from at least one accelerometer (108) firmly secured to a landing gear wheel (103) mounted to rotate on a landing gear axle (102) to estimate an angle of deflection of the axle at least when the wheel is in contact with the ground. Aircraft implementing this method.

IPC Classes  ?

• B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
• B64C 25/00 - Alighting gear
• G01B 21/26 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes for testing wheel alignment
• B64D 45/00 - Aircraft indicators or protectors not otherwise provided for

Abstract

N1kN1kN11kkNNkk k positions in the elementary pattern so that the maximum ratio between the distance between two proximal positions of said central wavelength and the associated central wavelength is minimal.

IPC Classes  ?

• G02B 5/20 - Filters
• H01L 27/146 - Imager structures
• H01L 31/0232 - Optical elements or arrangements associated with the device

Abstract

System for displaying critical and non-critical information on a screen (9), comprising, in the same housing (101), at least one electronic computing circuit (110) and an electronic monitoring circuit (120). The electronic computing circuit (110) is programmed to process the critical information to be displayed, construct at least one image from non-critical information and incorporate therein the critical information to be displayed in order to form, on an output (104.1) of the electronic computing circuit (110), an image signal intended to be transmitted to the screen. The electronic monitoring circuit (120) has an input (105.1) connected to said output (104.1) and is programmed to determine expected critical information for the display and to verify whether the image signal contains information corresponding to the expected critical information. Aircraft equipped with such a system.

IPC Classes  ?

• G01C 23/00 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
• G09G 3/00 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
• G06F 11/07 - Responding to the occurrence of a fault, e.g. fault tolerance
• G06F 21/50 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems

Abstract

This dual-field telescope (2) comprises, aligned on the same optical axis (1), a large-field optical channel (5), a small-field optical channel (6) and a sensor (9) of electromagnetic radiation, the large-field optical channel (5) comprising a convex first mirror (7) and a concave second mirror (8) that is perforated at its centre, the small-field optical channel (6) comprising a concave third mirror (10) and a fourth mirror (11) that is positioned level with a non-reflective surface (7a) of the convex first mirror (7) and has a diameter smaller than or equal to the diameter of the convex first mirror.

IPC Classes  ?

• G02B 17/06 - Catoptric systems, e.g. image erecting and reversing system using mirrors only
• G02B 23/04 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer
• G02B 23/06 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focusing action, e.g. parabolic mirror
• G02B 27/10 - Beam splitting or combining systems
• G02B 17/08 - Catadioptric systems

Abstract

A method for mounting an electronic component (28) onto a substrate (30) comprises the following consecutive steps: - forming a stack comprising a substrate (30), an electronic component (28) and a sintering material (26) between the electronic component (28) and the substrate (30); - hot-pressing the stack so as to cause the temperature of the sintering material (26) to exceed a preliminary exothermal peak (8) that precedes an exothermal sintering peak (10), without the temperature of the sintering material (26) reaching a maximum of the exothermal sintering peak (10); and –heating the stack so as to sinter the sintering material (26) (e.g. at atmospheric pressure). "Bridges" are formed between the particles of sintering material (26) and grow as soon as the preliminary exothermal peak (8) has been reached. The sintering material (26) can be cut out of a sheet before the stack is formed. The method can include a preliminary step of heating a test sample of the sintering material (26) by subjecting said sample to an increasing temperature, wherein, during the heating process, a temperature of the sintering material (26) is measured, and a first heating temperature value that corresponds to a maximum preliminary exothermal peak (8) preceding the exothermal sintering peak (10) as well as a second heating temperature value that corresponds to the maximum exothermal sintering peak (10) are detected. The stack can be a first stack, the electronic component (28) can be a first component, and the sintering material can form a first portion, the method also comprising the following steps: - forming at least a second stack comprising the substrate (30), a second electronic component (28) and a second portion of the sintering material (26) between the second electronic component (28) and the substrate (30); - hot-pressing the second stack so as to cause the temperature of the material to exceed the preliminary exothermal peak (8), without the temperature of the sintering material (26) reaching the value that equals the maximum preliminary exothermal peak (8) at the exothermal sintering peak (10); and - carrying out the heating step so as to simultaneously heat all of the stacks. The first and second electronic components (28) can have different thicknesses. The stack can also be a first stack, the electronic component (28) can be a first component, the sintering material (26) can form a first portion, and the substrate can be a first substrate, the method also comprising the following steps: - forming a second stack comprising a second substrate (30), a second electronic component (28) and a second portion of the sintering material (26) between the second electronic component (28) and the second substrate (30); - independently of the step of pressing the first stack, hot-pressing the second stack so as to cause the temperature of the material to exceed the preliminary exothermal peak (8), without the temperature of the sintering material (26) reaching the value that equals the maximum preliminary exothermal peak (8) at the exothermal sintering peak (10); mounting the first substrate (30) onto the second substrate (30) by inserting the first electronic component (28) and the second electronic component (28) between the first substrate (30) and the second substrate (30); and - carrying out the heating step so as to simultaneously heat all of the stacks.

IPC Classes  ?

• H01L 21/603 - Attaching leads or other conductive members, to be used for carrying current to or from the device in operation involving the application of pressure, e.g. thermo-compression bonding
• H01L 21/98 - Assembly of devices consisting of solid state components formed in or on a common substrate; Assembly of integrated circuit devices
• H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
• H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
• H01L 21/67 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components

Abstract

The invention relates to a method for mounting an electronic component (28) onto a substrate (30), comprising the following steps: depositing a sintering material (26) onto one of an electronic component (28) and a substrate (30); heating the sintering material (26) so as to bring a temperature of the sintering material (26) to a preliminary exothermic peak (8), which precedes an exothermic sintering peak (10) without the temperature of the sintering material (26) reaching a maximum of the preliminary exothermic peak (8); fastening the other of the electronic component (28) and the substrate (30) to the sintering material (26) so that the sintering material is interposed between the electronic component (28) and the substrate (30); and pressing the sintering material (26) while hot so as to cause the sintering material (26) to creep. Subsequently, a step of sintering the sintering material (26) can be carried out. The preliminary exothermic peak (8) is the marker for activating the flakes of the sintering material (26) for a creep or a subsequent sintering. The deposition step may occur by disposing the sintering material (26) in boustrophedon-style. The deposition step may occur by forming mutually contacting hanks (32) with the sintering material (26). The deposition step may occur by depositing the sintering material (26) on the substrate (30) so that, at the end of the process, the sintering material (26) extends beyond the edges of the electronic component (28). Alternatively, the deposition step may occur by depositing the sintering material (26) on the electronic component (28) set back from the edges of the electronic component (28). The process can include a preliminary step of heating a test sample of the sintering material (26) by exposing it to an increasing temperature, wherein during heating a temperature of the sintering material (26) is measured and a first value of the heating temperature corresponding to a start of the preliminary exothermic peak (8), which precedes the exothermic sintering peak (10), is detected, and a second value of the heating temperature corresponding to the maximum of the preliminary exothermic peak (8) is detected. The substrate (30) can be a first substrate, two electronic components (28) of different dimensions (for example different in height), which are interposed between the first substrate (30) and a second substrate (30), layers of sintering material (26) being interposed between each electronic component (28) and the first and the second substrate (30), in which case: the two lower layers of sintering material (26) are disposed on the lower substrate (30), the step of drying this sintering material (26) is then carried out; subsequently the two electronic components (28) are installed and the two other layers of sintering material (26) are applied thereon; an additional step of drying is then carried out; the upper substrate (30) is then applied, the electronic components (28) are pressed between the two substrates (30) and then the simultaneous creep of all the layers of material (26) is carried out; and the sintering material (26) is then sintered. During pressing, a pressure of a member (24) supported on the sintering material (26) can be measured and it can be determined if the pressure varies on a predetermined amplitude during a predefined time period and/or a position of the member (24) supported on the sintering material (26) can be measured and it can be determined if the position varies on a predetermined amplitude during a predefined time period.

IPC Classes  ?

• H01L 21/60 - Attaching leads or other conductive members, to be used for carrying current to or from the device in operation
• H01L 21/603 - Attaching leads or other conductive members, to be used for carrying current to or from the device in operation involving the application of pressure, e.g. thermo-compression bonding
• H01L 21/98 - Assembly of devices consisting of solid state components formed in or on a common substrate; Assembly of integrated circuit devices
• H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
• H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
• H01L 21/67 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components

Abstract

Control system for activating/deactivating an electromagnetic shielding screen (11a, 11b, 11c, 11d) of a porthole or of a window for protecting optoelectronic equipment, which comprises, a radiofrequency electromagnetic sensor (1), of passband matched to a blocking band of said shielding screen corresponding to a range of electromagnetic fields to be blocked, which is connected to a detector-rectifier (2) of sensitivity higher than a minimum value of the power of an electromagnetic field to be blocked by means of said shielding screen and a device (13, 14, 15, 16) for activating/deactivating said electromagnetic shielding screen, said detector-rectifier being configured to, in the presence of electromagnetic fields of power exceeding said minimum value, activate said device (13, 14, 15, 16) for activating/deactivating the electromagnetic shielding screen by capturing electromagnetic energy delivered by said electromagnetic fields of power exceeding said minimum value.

IPC Classes  ?

• G01J 5/06 - Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity

Abstract

Said inertial navigation unit comprises a navigation data acquisition unit (1) and a first navigation stage (2) capable of calculating hybrid navigation values by combining navigation data. It further comprises a second navigation stage (3) capable of calculating certified navigation values independently of the hybrid navigation values, the certified navigation values being certified with a geolocation error limit.

IPC Classes  ?

• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01C 23/00 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
• G01S 19/15 - Aircraft landing systems
• G05D 1/02 - Control of position or course in two dimensions

Abstract

Disclosed is a navigation method based on satellite positioning data and non-satellite positioning data, comprising the following steps: - computing a first reference navigation that is hybridised on the basis of non-satellite positioning data and satellite positioning data, the first reference navigation being reset on the satellite positioning data; - performing a statistical analysis of the positional corrections provided by the first reference navigation and deducing therefrom the existence or the absence of a deception operation of the satellite signal receiver. Also disclosed is a navigation system for implementing this method.

IPC Classes  ?

• G01S 19/14 - Receivers specially adapted for specific applications
• G01S 19/47 - Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial
• H04K 3/00 - Jamming of communication; Counter-measures
• G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01S 19/21 - Interference related issues

Abstract

Disclosed is a navigation method based on satellite positioning data and inertial positioning data, comprising the steps of calculating: - a first reference navigation that is hybridised on the basis of the inertial positioning data with positional corrections determined on the basis of the satellite positioning data; - a second reference navigation that is hybridized on the basis of the inertial positioning data; - emergency navigation on the basis of the second reference navigation, reset on the operational navigation and then corrected by means of the positional corrections provided by the first reference navigation. Also disclosed is a navigation system for implementing this method.

IPC Classes  ?

• G01S 19/21 - Interference related issues
• G01S 19/39 - Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
• G01S 19/47 - Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial
• G01S 19/14 - Receivers specially adapted for specific applications

Abstract

The present invention relates to a bidirectional data communication method for a bidirectional data communication system (100), in particular an embedded bidirectional data communication system (100), comprising: at least one first communicating device (200a) configured to implement a single-pair Ethernet protocol and one second communicating device (200b) configured to implement a single-pair Ethernet protocol and comprising a second packet management module (220b) connected to a first physical link management module (231b) and to a second physical link management module.

IPC Classes  ?

• H04L 12/40 - Bus networks
• H04L 69/14 - Multichannel or multilink protocols
• H04L 69/324 - Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
• H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

Aircraft actuator power supply architecture, comprising an on-board, single-phase electrical network connected by a power line to an electric motor of at least one actuator, the power line successively comprising an upstream conversion device for converting the voltage of the on-board electrical network to a voltage suitable for the downstream power line, at least one ultracapacitor associated with an electronic circuit for managing the operation of the ultracapacitor, and a downstream conversion device intended to be connected to the motor; the downstream conversion device being reversible so as to ensure voltage conversion both when the motor is in motor operating mode and when the motor is in generator operating mode, the downstream conversion device being arranged so as to selectively have a voltage-reducing function and a voltage-increasing function regardless of the operating mode, such that the ultracapacitor can power the motor in motor operating mode and be recharged by the motor in generator operating mode.

IPC Classes  ?

• H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
• H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
• H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
• H02J 1/14 - Balancing the load in a network
• H02M 7/797 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
• H02M 1/32 - Means for protecting converters other than by automatic disconnection
• H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
• H02M 7/06 - Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode

Abstract

This method comprises: determining a characteristic frequency (f(d)i,nci,ni,n) being obtained from the characteristic frequency (f(d)) of the fault, and detecting the fault based on the estimated coefficients (x*) or not.

IPC Classes  ?

• G01R 31/34 - Testing dynamo-electric machines
• G01M 13/028 - Acoustic or vibration analysis
• G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer

Abstract

Disclosed is a partitioning method comprising the following steps: - acquiring an observation matrix (10) comprising time series (Xlr X2,-, Xp); - for each time series: o calculating a distance matrix comprising distance values between the elements of the time series, then generating the primary image on the basis of the distance matrix; o implementing a learning algorithm for segmenting the primary image so as to obtain a segmented image; o defining, on the basis of the segmented image, a primary boundary signal representative of the boundaries; - merging the primary boundary signals in order to obtain a global boundary signal (52), and defining classes on the basis of the global boundary signal (52).

IPC Classes  ?

• G06N 3/04 - Architecture, e.g. interconnection topology
• G06N 3/08 - Learning methods
• G06N 20/20 - Ensemble learning
• B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
• B64F 5/40 - Maintaining or repairing aircraft
• B64F 5/60 - Testing or inspecting aircraft components or systems

Abstract

The invention relates to a human-machine interface (1), in particular for a vehicle or for a device, comprising at least one gripping element (10) comprising at least one transducer transmitting a command depending on at least one item of input information. The human-machine interface (1) comprises at least one sensor and calculation means configured to determine a position of at least one interaction surface for interaction between an operator and the gripping element, the calculation means also being configured to determine whether the command is intentional by determining whether at least one first predefined surface lies at least partially within the interaction surface, so as to authorise the transmission of the command by the human-machine interface when it is determined that the command is intentional.

IPC Classes  ?

• G05G 5/00 - Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
• G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks

Abstract

The present invention relates to a system comprising: - a coupling device (210); and - a data processing device (218) designed to supply an excitation signal (SE) so that an internal signal (Φ) occurs in the coupling device (210), this internal signal (Φ) having a deformation resulting from the current to be measured (I0), obtain a measured signal (Sm) for a variable (Vm) sensitive to the deformation, supply a compensation signal (Sc) in order to cancel out the deformation, and evaluate the current to be measured (!0) based on the compensation signal (Sc). The data processing device (218) is furthermore designed to analyse the measured signal (Sm) and to detect a fault on the transmission line (118) based on this analysis.

IPC Classes  ?

• G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
• G01R 31/08 - Locating faults in cables, transmission lines, or networks
• G01R 31/58 - Testing of lines, cables or conductors
• H04B 3/54 - Systems for transmission via power distribution lines

Abstract

This method comprises: for each of the portions of a guide (204) of the actuator (108), obtaining an operating signal measured when a movable element (202) of the actuator (108) travels over the guide portion in question, upon each of a plurality of successive activations of the actuator (108); for each of the guide portions, seeking wear of the actuator (108) from the operating signals obtained for this guide portion; and locating the wear on the guide (204) or on the motor (206) according to the guide portions from which the wear has been found.

IPC Classes  ?

• F16H 57/01 - Monitoring wear or stress of gearing elements, e.g. for triggering maintenance
• F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
• G05B 23/02 - Electric testing or monitoring
• B64D 45/00 - Aircraft indicators or protectors not otherwise provided for

Abstract

Said method for determining aircraft landing runway conditions comprises the steps of: acquiring a set of data groups of different types (D1, D2) for evaluating and monitoring runway degradation conditions; deriving weighting coefficients (Ki) from each data group; filtering the data; determining, for each data group, a partial runway condition; modifying the weighting coefficients of each data group; and combining the partial runway conditions to derive a runway condition coefficient (RWYCC) associated with a confidence index (CI) derived from the modified weighting coefficients.

IPC Classes  ?

• B64F 1/36 - Other airport installations
• G08G 5/02 - Automatic landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
• G08G 5/00 - Traffic control systems for aircraft

Abstract

A process (100) for protecting a part comprising an aluminum-based alloy, the process comprising depositing (102) a primer paint layer by anaphoresis over the entire part, polymerizing (104) the primer paint layer in order to form a non-conductive polymerized primer paint layer, laser pickling (106), by means of a laser beam, an area of the non-conductive polymerized primer paint layer in order to form an unpainted area, trivalent chromium chemical conversion (108) of the unpainted area in order to form a conductive protective layer and drying (110) the part, depositing (112) a finishing paint layer on at least a portion of the non-conductive polymerized primer paint layer, and polymerizing (114) the finishing paint layer.

IPC Classes  ?

• C23C 22/56 - Treatment of aluminium or alloys based thereon
• C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
• C25D 13/22 - Servicing or operating
• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and

Abstract

ssspecssspecssspec spec to be rendered on the control column.

IPC Classes  ?

• G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
• G05G 1/04 - Controlling members for hand-actuation by pivoting movement, e.g. levers
• G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
• B64C 13/04 - Initiating means actuated personally