Procédé de navigation collaborative entre au moins un premier véhicule (A) et un deuxième véhicule (L) évoluant dans une même zone d'espace, le premier véhicule (A) étant équipé d'un premier dispositif de navigation NA moins précis qu'un deuxième dispositif de navigation NL équipant le deuxième véhicule (L), le procédé comprenant : - au même instant, faire mesurer une première position YAm du premier véhicule (A) par le premier dispositif de navigation (NA) et une deuxième position YL du deuxième véhicule (L) par le deuxième dispositif de navigation (NL) ; - mesurer un écart de position YA/L entre les deux véhicules tel que SYA=YAm-YL-YA/L avec YA une position réelle du premier véhicule et 5.YA une erreur de navigation du premier dispositif de navigation telle que YAm=YA+SYA ; - modéliser une évolution de l'erreur de navigation SYA par un modèle d'état comprenant une commande utilisant un correcteur intégrateur pur pour maintenir à zéro l'erreur de navigation 5YA. FIGURE DE L'ABREGE : Fig. 1
Procédé de génération d'un point de vue stéréoscopique à valeur d'entraxe modifiable comprenant les étapes de : -A partir d'une image initiale droite et d'une image initiale gauche, calculer une première carte de disparité éparse gauche et une première carte de disparité éparse droite, -Filtrer la première carte de disparité éparse gauche et la première carte de disparité éparse droite pour au moins les densifier afin d'obtenir une deuxième carte de disparité dense gauche et une deuxième carte de disparité dense droite, -Générer une image droite et une image gauche d'un point de vue stéréoscopique, la génération desdites images se faisant à partir des images initiales droite et gauche, de la deuxième carte de disparité dense gauche, de la deuxième carte de disparité dense droite et d'une valeur d'entraxe souhaitée.
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (France)
SAFRAN (France)
SAFRAN ELECTRONICS & DEFENSE (France)
SAFRAN LANDING SYSTEMS (France)
Inventor
Neba, Eric Carin
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.
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).
G06V 20/17 - Terrestrial scenes taken from planes or by drones
G06T 7/593 - Depth or shape recovery from multiple images from stereo images
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
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
5.
PORTABLE ASSISTANCE SYSTEM AND CORRESPONDING APPARATUS
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
Exosquelette comprenant : une structure dorsale (10) reliée à une structure brachiale (30) par une structure scapulaire (20) comportant un actionneur d'épaule (24) pour déplacer la structure brachiale par rapport à la structure dorsale. La structure scapulaire comprend une première articulation (21) fixée à une partie supérieure (11) de la structure dorsale (10), un chariot (23) relié à une partie de la première articulation (21) pour coulisser par rapport à la première articulation (21) selon une direction sensiblement perpendiculaire au premier axe d'articulation (A1). L'actionneur d'épaule (24) est monté sur le chariot (23) par une deuxième articulation (25) ayant un deuxième axe d'articulation (A2) sensiblement parallèle au premier axe d'articulation (A1). L'exosquelette comprend un premier organe élastique (27) de rappel du chariot vers une position prédéterminée de repos et un deuxième organe élastique (28) pour rappeler le chariot (23) vers la première articulation (21).
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.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
SAFRAN ELECTRONICS & DEFENSE (France)
UNIVERSITE DE RENNES (France)
Inventor
Tricas, Quentin
Foutrel, Patrice
Besnier, Philippe
Castel, Xavier
Le Paven, Claire
Abstract
A system for controlling the activation/deactivation of an electromagnetic shielding screen (11a, 11b, 11c, 11d) of a porthole or a protective window of an optoelectronic equipment, which includes, a radiofrequency electromagnetic sensor (1), with a bandwidth adapted to a cut-off band of said shielding screen corresponding to a range of electromagnetic fields to be blocked, connected to a detector-rectifier (2) with a 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, in the presence of the electromagnetic field with a power exceeding said minimum value, to activate said device (13, 14, 15, 16) for activating/deactivating the electromagnetic shielding screen by capturing the electromagnetic energy supplied by said electromagnetic fields with a power exceeding said minimum value. Figure of the abstract: Figure 1
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
ECOLE NORMALE SUPERIEURE DE LYON (France)
UNIVERSITE CLAUDE BERNARD - LYON 1 (France)
Inventor
Jegouzo, Michel
Dupeyrat, Cyril
Junique, Pascal
Chateau, Denis
Parola, Stephane
Abstract
Composant optique (5) comprenant un substrat (6) en un matériau ayant un taux prédéterminé de transmission de rayonnements ayant une longueur d'onde comprise dans une bande prédéterminée de longueurs d'onde, et un revêtement (7) s'étendant sur une surface (6') du substrat (6). Le revêtement (7) comprend une matrice (8) à base d'au moins un polymère dans laquelle sont noyées des nanoparticules (9), le composant optique (5) ayant au total un taux de transmission suffisant pour l'application pour des longueurs d'ondes comprises dans la bande prédéterminée de longueurs d'onde.
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.
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
11.
METHOD AND SYSTEM FOR DETERMINING AIRCRAFT LANDING RUNWAY CONDITIONS
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.
The invention relates to a device comprising: - a mount (10), - a frame (20) mounted so as to rotate relative to the mount; - a control arm (40) mounted so as to rotate on the frame (20); a roll spider (80) mounted so as to rotate on the frame (20); - a pitch spider (100) mounted so as to rotate on the control arm (40); - a roll motor (120) which is fixed relative to the frame (20) and which comprises a roll shaft (121) mounted so as to rotate on the roll spider (80); - a pitch motor (140) which is fixed relative to the frame (20) and which comprises a pitch shaft (141) mounted so as to rotate on the pitch spider (100). Drawing_references_to_be_translated
F16C 35/02 - Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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
The invention relates to an optronic sight (2) for motorized vehicles such as an aerial or marine vehicle propelled by a propeller or airscrew, or a tracked land vehicle comprising a sight module (4), movement means (17a, 17b) for moving the sight module about the first (8A) and the second (10) axis, measurement means (14) for continuously measuring angular data, characterized in that it comprises a feedback control loop comprising means (28) for continuously measuring the acceleration of the sight module (4) in three orthogonal directions (8a, 8b, 8c) of space, detection means (32) for detecting at least one fundamental frequency of vibrational disturbances, an adaptive corrector (26) configured to continuously receive as input said fundamental frequency and a difference between an angular setpoint value and said angular data, and to supply as output to the movement means (17a, 17b) a movement setpoint value.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.) (France)
UNIVERSITE DE RENNES (France)
Inventor
Tricas, Quentin
Foutrel, Patrice
Besnier, Philippe
Castel, Xavier
Le Paven, Claire
Abstract
This optically transparent electromagnetic shielding assembly (10) has a shielding effectiveness that is increased when a conductive or polarisable fluid establishes a low electrical-impedance value between a periphery and a central region of a window. Such a shielding assembly is useful in detecting systems (100) that are exposed to varying intensities of microwave radiation (HYF).
A system (36) for controlling an aircraft thrust reversal means comprises a reverse idle control means (38), a first detection means (31) configured to detect, when the reverse idle control is active, a condition for activation of the thrust reversal means, and an actuation means (52) configured to activate the thrust reversal means when the first detection means (31) detects a condition for activation of the thrust reversal means. It further comprises a second detection means (42, 44, 46, 48, 49) configured to detect a condition for activation of the reverse idle control, the control means (38) being configured to activate the reverse idle control when the second detection means (42, 44, 46, 48, 49) detects a condition for activating the reverse idle control.
Method for controlling an electric actuator in a mechanical system comprising a plurality of nested contact zones, the method comprising the steps of: - acquiring data about the mechanical system that include a number of nested contact zones, - generating a model of the system from these data and from a number of Lugre models placed in parallel that is equal to the number of nested contact zones, and determining the model parameters and a structure for compensating for the modelled frictions, - including the compensation structure in a law for controlling the actuator, - controlling the actuator by means of the control law.
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
G05B 19/404 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
17.
FORCE APPLICATION DEVICE FOR CONTROL STICK IN A POWER FAILURE SITUATION
The present invention relates to a force application device for a control stick of an aircraft comprising a shaft and a control lever configured to rotate the shaft about a first axis, the device comprising: a magnetic brake comprising a braking part configured to be connected to the shaft, and a volume containing a rheological fluid in contact with the braking part, of variable shear resistance as a function of a magnetic field applied to the rheological fluid, a force feedback motor configured to exert a resistive force opposing the rotation of the shaft about the first axis, a motor power source, a movable magnetic element biased towards a position close to the magnetic brake, and distancing means configured to maintain the movable magnetic element in a position away from the magnetic brake, when such distancing means are powered by the power source.
B64C 13/28 - Transmitting means without power amplification or where power amplification is irrelevant mechanical
B64C 13/50 - Transmitting means with power amplification using electrical energy
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 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
18.
SENSOR WITH MECHANICAL COMPENSATION FOR FREQUENCY ANISOTROPY
Angular sensor with vibrating resonator, comprising a supporting structure (100), a first mass (1) and a second mass (2) which are concentric, and mechanical springs (10) arranged symmetrically in pairs (13.1, 13.2, 13.3), the pairs themselves being arranged symmetrically with respect to one another. Each spring (10) comprises a first elastic leaf (11) and a second elastic leaf (12) which are connected to one another by one end, the first elastic leaf (11) of one of the springs (10) of each pair (13.1, 13.2, 13.3) being parallel to the second elastic leaf (12) of the other of the springs (10) of the same pair. The four elastic leaves of at least one pair (13.1, 13.2, 13.3) comprise two adjacent pairs of leaves (11, 12) making an angle of approximately 45° between them. The sensor is not provided with electrostatic springs.
G01C 19/574 - Structural details or topology the devices having two sensing masses in anti-phase motion
G01C 19/5705 - Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis
19.
METHOD AND SYSTEM FOR POSITIONING A VEHICLE USING AN IMAGE-CAPTURING DEVICE
Method for positioning a vehicle (N) provided with an electronic processing unit (2) connected to a non-optical positioning device (3, 4) and to an external imaging optical device (5), the electronic processing unit (2) comprising a database of navigation marks comprising at least one geographical position of each navigation mark and a descriptive element for each navigation mark; the method comprising the steps of: - estimating a first geographical position (P1e) of the vehicle (N) by means of the non-optical positioning device (3, 4); - preselecting in the database navigation marks having geographical positions located within a predetermined radius around the first geographical position (P1e) of the vehicle (N); - selecting the triplets with minimal geometric errors; - controlling the external imaging optical device (5) to capture images of the selected navigation marks; - selecting images in which the navigation marks are effectively visible, identifying the navigation marks in the images and recording an azimuth or a bearing of each navigation mark visible from the images; - determining a second geographical position (PObrut or POc) of the vehicle (N) from the recorded azimuths or bearings, taking into account or not the movement of the vehicle (N) while the images of the navigation marks are being captured.
G01C 21/00 - Navigation; Navigational instruments not provided for in groups
G01S 19/06 - Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating aiding 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
G01C 21/20 - Instruments for performing navigational calculations
20.
COMPACT DEVICE DESIGNED TO BE POSITIONED CLOSE TO A JOINT AND GENERAL SYSTEM COMPRISING SUCH A COMPACT DEVICE
The invention concerns a device intended to be positioned near a joint between two parts of a user, the device comprising a first interface (11) supported on the first of two parts and a second interface (22) supported on the second of two parts, the device, comprising at least one attachment between the first interface and the second interface. According to the invention, the attachment has two actuators (31, 32) mounted in parallel such that each actuator is attached by its body to the first interface and by its outlet stem to the second interface, the simultaneous movement of the two outlet stems (35, 36) allowing movement of the second part of the joint in relation to the first when in use. Using two parallel actuators allows for the development of a high enough torque making it easier for the user, while allowing the invention to be relatively compact.
The invention relates to a method for detecting a degradation of an actual tyre of a wheel, comprising the steps of: - acquiring at least one first three-dimensional object (1) representing a shape of the actual tyre, using an electronic apparatus comprising at least one three-dimensional sensor, the first three-dimensional object being formed by a set of captured points; - determining, from the set of captured points, a position of the central point of the actual tyre; - resetting the first three-dimensional object in order to obtain a second three-dimensional object; - transforming the second three-dimensional object in order to obtain one or more two-dimensional objects; - analysing the one or more two-dimensional objects in order to detect the degradation of the actual tyre.
The invention relates to a force application device for a control stick of an aircraft, said control stick comprising a control lever that is connected to at least one motor comprising a drive shaft that can be rotated about an axis, the force application device comprising: a first pin connected to the shaft, a housing, an electromagnet, a movable actuator comprising a magnetic material, a coupling device comprising an input gear connected to the housing and an output gear comprising a second pin, and means for clamping the first pin and the second pin which comprise a first tooth and a second tooth, said device having an operating configuration in which the electromagnet is active and the output gear is positioned at a distance from the input gear, and a blocking configuration in which the electromagnet is inactive and the gears are meshed.
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 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
23.
FORCE APPLICATION DEVICE FOR A CONTROL STICK OF AN AIRCRAFT
The invention relates to a force application device for a control stick of an aircraft, said stick comprising a control lever that is connected to a motor comprising a drive shaft, said device having: a first pin connected to the drive shaft, a housing, a second pin secured to the housing, an electromagnet secured in relation to the housing, a movable actuator which comprises a magnetic material such that said actuator can be displaced depending on a supply of current of the electromagnet, and means for clamping the first pin and the second pin which comprise a first tooth and a second tooth, said device having an operating configuration in which the electromagnet is active and the actuator separates the teeth away from the first pin and the second pin, and a blocking configuration in which the electromagnet is inactive, with the first tooth and the second tooth coming into contact with the first pin and the second pin.
B64C 13/50 - Transmitting means with power amplification using electrical energy
F16D 27/00 - Magnetically-actuated clutches; Control or electric circuits therefor
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
24.
FORCE APPLICATION DEVICE FOR AN AIRCRAFT CONTROL STICK
The invention relates to a force application device for an aircraft control stick comprising: - a casing (24), - an electromagnet (22) mounted on the casing (24), - an actuator (30) mounted on the shaft (13), the actuator (30) being mobile in translation in relation to the shaft (13) along the axis (A), the actuator (30) comprising a magnetic material, and - a coupling device comprising an input gear (40) that is mounted so as to be stationary in relation to the casing (24) and an output gear (50) connected to the actuator (30) by means of an attachment part (60), the attachment part (60) being configured so as to allow a limited angular displacement between the output gear (50) and the shaft (13) around the axis (A) and to allow the actuator (30) of the output gear (50) to translate along the axis (A).
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
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 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
25.
MULTISPECTRAL HARMONISATION DEVICE INTENDED FOR ALIGNING THE OPTICAL CHANNELS OF AN OPTRONIC SYSTEM
A multispectral harmonization device, designed to align the optical paths of an optronic system, comprises at least two directional optical sources (121 to 124) emitting respective optical beams (131 to 134) of different wavelengths belonging to different spectral bands, and comprises a parabolic mirror (10) and means for positioning and orienting each of the optical sources (121 to 124) so that each of the optical beams (131 to 134) emitted by the optical sources (121 to 124) passes through the focal point (11) of the parabolic mirror (10) prior to being reflected by the parabolic mirror (10) such that the set of optical beams (141 to 144) forms a multispectral collimated beam (18) by reflection on the parabolic mirror (10).
An assembly for measuring a relative position of two movable elements (11, 12) with respect to one another comprises a ribbon (1) having a magnetic strip, and two magnetic sensors (2, 3). The ribbon is intended to be fastened to one of the two elements, and the magnetic sensors both to be fastened to the other element. One of the two sensors serves to precisely measure a relative position of the two elements within a period of orientation alternation of magnetic poles, and the other sensor serves to define an origin of the measurements in order to obtain an absolute-measurement result for the relative position of the two elements with respect to one another.
G01D 5/245 - 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 generating pulses or pulse trains using a variable number of pulses in a train
27.
DEVICE AND METHOD FOR OBSERVING A SCENE COMPRISING A TARGET
Device for observation and designation, comprising a first image sensor and a second image sensor which are connected to an electronic image-processing circuit connected to a display, the first image sensor and the second image sensor being designed to have superimposing fields which respectively output at least a first image and a second image of a same scene, and the device comprising a laser emitter for emitting, in a predetermined area of the field of the second sensor, a laser beam in a predetermined range of wavelengths; a filter with regions of interest extending in front of the second sensor in order to provide an attenuation of the light flux outside the predetermined range of wavelengths in a first region, a substantially total blocking of the light flux coming from the scene in a second region and a maximum transmission of the light flux in a third region; the electronic processing circuit being designed to superimpose the two images by using the area of the second image corresponding to the third region of the filter to spatially calibrate the second image with respect to the first image. Method for observation and designation using such filtering.
The invention relates to a device intended to be positioned close to a joint between two parts, the device comprising a first interface (11) borne by a first of its two parts and a second interface (12) borne by a second of the two parts, the device comprising at least one connection between the first interface and the second interface, the connection comprising a double cylinder which comprises two chambers connected to each other by a floating piston, a first of the two chambers being connected to the first interface and a second of the two chambers being connected to an output rod of the double cylinder, said rod being connected to the second interface. The invention also relates to a system comprising a device of this kind.
B25J 9/14 - Programme-controlled manipulators characterised by positioning means for manipulator elements fluid
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
29.
ELECTRONIC ASSEMBLY AND PRESSURE MEASUREMENT DEVICE WITH IMPROVED DURABILITY
A device (10) comprising an electronic assembly (1) comprising an electronic component (2) assembled on a first substrate (3), and a body (11) defining a cavity (12), a first end (12.1) of which is in fluid communication with a fluid (14), the electronic component extending into the cavity (12) and the first substrate (3) comprising a portion (7.1, 7.3) in contact with a wall of the cavity (12), wherein the thermal expansion coefficient of the material of the first substrate (3) is less than that of the electronic component (2), and the electronic component (2) is assembled using an assembly method with the addition of brazing type heat on the first substrate (3). A method for producing an electronic assembly. An assembly (1) obtained by the method.
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
Device (3) for measuring the pressure of a vehicle wheel (3), comprising a fixed portion (5) and a movable portion (14) intended to be rotated by the wheel, the fixed portion comprising a first printed circuit (7) on which at least one first track is formed defining a first winding, the moving portion comprising a second printed circuit (16) on which at least one second track is formed defining a second winding, the second printed circuit being designed to be connected to a pressure sensor (15), the first winding and the second winding being coupled to form a wireless communication channel, the measuring device being designed so that the pressure sensor is electrically powered by the fixed portion via the wireless communication channel, and so that uplink data comprising the pressure measurement data are transmitted to the fixed portion (5) from the moving portion (14) via the wireless communication channel.
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (France)
SAFRAN (France)
SAFRAN LANDING SYSTEMS (France)
Inventor
Riou, Jean-Christophe
Bailly, Eric
Abstract
Pressure measurement device (1) comprising a case (20) extending around an electronic card (30) provided with a pressure sensor (40), - the case (20) delimiting with a first face (31) of the electronic card (30) a first leaktight volume (3); - the case (20) also delimiting with a second face (32) of the electronic card (30) opposite to the first face (31) a second leaktight volume (4); - the case (20) comprising at least one first channel (24) placing in fluidic communication the exterior medium (5) outside the case (20) and the first leaktight volume (3); - the electronic card (30) comprising at least one second channel (33) placing in fluidic communication the first volume (3) and the second volume (4); - the link between the case (20) and the electronic card (30) being designed to permit a relative motion of the case (20) and of the electronic card.
The invention relates to a proximal monitoring device comprising a ring defining a volume in which a plurality of cameras is mounted. The cameras have fields that are angularly distributed around said ring and at least one of the cameras is associated with a device for scanning azimuthally in a plane normal to a central axis of the ring.
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
B60R 25/00 - Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
G03B 37/00 - Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
G08B 13/196 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
33.
METHOD FOR HARMONISING TWO INERTIAL MEASUREMENT UNITS WITH ONE ANOTHER AND NAVIGATION SYSTEM IMPLEMENTING THIS METHOD
Method for harmonising a first inertial measurement unit and a second inertial measurement unit with one another, comprising the steps of: having a control unit compare the vectors measured by the inertial measurement units in order to determine a specific force discrepancy and a rotation discrepancy by taking into account the lever arms between these two measurement units; having the control unit determine a harmonisation value on the basis of the specific force discrepancy and of the rotation discrepancy by taking into account the lever arms between these two measurement units. Navigation system for implementing this method.
G01C 25/00 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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
34.
BAG CARRIER AND APPARATUS COMPRISING SUCH A BAG CARRIER
The invention relates to an open-attachment fitting (2) and at least one plate (3a, 3b), the plate being arranged on the fitting so as to be able to extend from the fitting towards the outer side of the fitting in an extended position which allows, during use, a bag to rest on the plate, the fitting being formed in order, during use, to at least partially surround each side of the user in order to balance the constraints between the back and the two sides of the user. The invention also relates to an apparatus comprising such a fitting.
The invention concerns a exoskeleton structure comprising a first pivot (361) allowing an internal/external rotational movement of the user's foot relative to the leg, and a second pivot (365) allowing a pronation/supination of the user's foot relative to the leg, the first pivot (361) being located at a height greater than or equal to 20 centimetres relative to the ground, the difference between the axis of rotation (X1) of the first pivot (361) and the axis of rotation (X2) of the second pivot (365) being less than or equal to 5 centimetres, and the axis of rotation (X1) of the first pivot (365) being oriented so that it forms a first non-zero angle (a) relative to a vertical direction, the first angle being comprised between 1 and 30 degrees.
The invention relates to an exoskeleton structure comprising a pelvis assembly, a first lower limb assembly, a second lower limb assembly and a back assembly, the structure comprising a plurality of pivot joints (27, 28, 29, 193) connecting each of the lower limb assemblies and the back assembly to the pelvis assembly and permitting movements of abduction or adduction of the lower limbs of the user, a relative movement of lateral inclination of the spine of the user with respect to the pelvis of the user, and a twisting movement of the spine.
The invention concerns an exoskeleton structure (1) comprising:- a back assembly (2) intended to be attached on the back of a user, - an arm assembly (3) intended to be attached to an arm of the user, - a shoulder connection device (4) connecting the back assembly (2) to the arm assembly (3), the shoulder connection device (4) comprising a first pivot (10), a second pivot (12) and a third pivot (14), allowing a rotation of the arm assembly (3) with respect to the back assembly (2) about a first axis of rotation (X1), a second axis of rotation (X2) and a third axis of rotation (X3), wherein the second pivot (12) is designed such that the second axis of rotation (X2) forms a non-zero angle with an abduction/adduction axis of the shoulder of the user and a non-zero angle with a flexion/extension axis of the shoulder of the user when the user is standing with arms relaxed along the body.
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (France)
SAFRAN (France)
SAFRAN LANDING SYSTEMS (France)
SAFRAN ELECTRONICS & DEFENSE (France)
Inventor
Fagot-Revurat, Lionel
Destraves, Julien
Abstract
The invention relates to a parameter measurement system for a mounted assembly comprising an electronic device for measuring the parameters of the mounted assembly and a connecting interface made of elastomeric material including the electronic device. The electronic measurement device comprises: - a UHF radiofrequency antenna; - an electronic card with an electronic chip coupled to the UHF radiofrequency antenna, a sensor for measuring the parameter of the mounted assembly, a microcontroller and an electrical circuit. The measurement system is characterised in that it comprises a ground plane connected to the electronic card, in that the electronic card comprises an energy manager and a capacitive element, in that the coupling between the electronic chip and the UHF radiofrequency antenna is an electrical coupling and in that the electronic chip, the microcontroller and the measurement sensor are components with low energy consumption.
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (France)
SAFRAN (France)
SAFRAN LANDING SYSTEMS (France)
SAFRAN ELECTRONICS & DEFENSE (France)
Inventor
Arnoux, Michael
Neba, Eric Carin
Abstract
The invention relates to a method for determining an expected inflation pressure in an aircraft tyre that is equipped with a pressure and temperature sensor. The invention also relates to an assisted maintenance method for an aircraft tyre, as well as to a portable electronic device designed to assist with maintenance.
The present invention concerns a target tracking device (2), the device comprising an optical system (4) and a photodetector (6) with quadrants (Q1-Q4), wherein the optical system (4) is configured to project a light beam coming from the target onto a spot on at least one of the quadrants (Q1-Q4), and the photodetector (6) is configured to estimate a current position of the spot by weighting light energies received by the quadrants (Q1-Q4). The optical system (4) comprises an optical device (10) configured in order, when the spot is entirely contained in just one of the quadrants (Q1-Q4), to enlarge the spot. The invention also concerns a tracking method capable of being implemented by this tracking device.
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
The invention relates to an image sensor comprising: an optical system (2a) for receiving an optical signal; a Bayer matrix (4) located on the image focal plane of the optical system (2a), the Bayer matrix (1) comprising: a reference optical filter (B1) configured to eliminate or attenuate, in the received optical signal, a first band of wavelengths and to allow through, in the received optical signal, a second band length of wavelengths, and also eight optical filters adjacent to the reference optical filter (B1); a phase mask (2c, 22, 28) arranged on a pupil (2b) of the optical system (2a) and configured to selectively project at least 98% of the energy of the optical signal carried in the first band of wavelengths and 98% of the energy of the optical signal carried in the second band of wavelengths on the reference optical filter (B1) and on at least one adjacent optical filter, which is configured to allow through, in the received optical signal, the first band of wavelengths.
The invention relates to a telescope comprising an attachment plate (1), a primary mirror (100) borne by a front face (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300). The primary mirror is connected to the plate by fastening elements (10) having a bearing that receives a pin (20) with a sliding fit, the pin being bonded in the bearing by means of a structural adhesive; the pin is provided with a central duct (25) having a first end opening onto a part (26) of the pin that is accessible when the pin is in position in the bores in order to receive one end of an adhesive injection needle and a second end opening into at least one transverse duct (27), at least one end of which opens into the bearing.
A telescope comprising an attachment plate (1), a primary mirror (100) supported by a front surface (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300), characterised in that the support (300) comprises a primary ring (310) mounted around the primary mirror (100), a secondary ring (320) mounted around the secondary mirror (200), arms (350) linking the secondary ring to the primary ring, and a means for mechanically decoupling the secondary mirror (200) with respect to the primary mirror (100).
The invention relates to a telescope comprising an attachment plate (1), a primary mirror (100) borne by a front face (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300), characterized in that the support (300) comprises a primary ring (310) mounted around the primary mirror (100), a secondary ring (320) mounted around the secondary mirror (200), and arms (350) connecting the secondary ring to the primary ring, and in that the arms (350) are curved towards the primary mirror (100).
The invention relates to a telescope comprising an attachment plate (1), a primary mirror (100) borne by a front face (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300), characterized in that the telescope is of the Cassegrain type and the plate (1) has a rear surface (3) having positioning references for the telescope with respect to an image capturing device (400) disposed opposite the rear face.
An imaging instrument for controlling a target designation makes it possible to visualise a target designation spot (SP) within a scene (SC), while using only one image sensor. To do this, a filter is arranged on the image sensor, in a restricted area (ZC) of same. The filter makes it possible to increase a contrast and a signal-to-noise ratio for an image of the target designation spot, when a misalignment (DP) is produced in order to bring the image of the target designation spot into the area of the filter.
The invention relates to a method for assisting at least one movement of a user by means of a robotic device (1), the method allowing the robotic device to be operated in the following two modes: - Default mode: controlling the force of the robotic device via a computer (4) of the robotic device; - Measurement mode: controlling the path of the robotic device, via the computer, and saving in the computer at least one force exerted on the robotic device by an environment that is external to said robotic device in order to implement the force control of the default mode.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.) (France)
UNIVERSITE DE RENNES (France)
Inventor
Dupeyrat, Cyril
Foutrel, Patrice
Besnier, Philippe
Castel, Xavier
Abstract
An optically transparent electromagnetic shield assembly (10) comprising an electrical connection device (3) with variable electrical resistance. The electrical connection device electrically connects a conductive two-dimensional structure, (2) which covers a transparent substrate (1), to a shell portion (101) which is electrically conductive. The resistance of the connection device can be adjusted, either initially for a detection system (100) for which the shield assembly is intended or in real time while said shield assembly is in use, according to an RF radiation intensity.
The invention relates to a device (1) for connecting an end of a first shaft to an end of a second shaft, the end of the first shaft having a radial groove, the device comprising: -a body (2) having a bore (21) into which the end of the first shaft can be introduced, -a locking pin (3) mounted so as to be movable with respect to the body (2) between a locked position, in which the pin (3) projects into the bore (21) such that, when the end of the first shaft is received inside the bore (21), the locking pin (3) is engaged in the radial groove in the end of the first shaft in order to prevent the end of the first shaft from being removed from the bore (21), and an unlocked position, in which the locking pin (3) is disengaged from the radial groove in the end of the first shaft so as to allow the end of the first shaft to be introduced into the bore (21) or to allow the end of the first shaft to be removed from the bore (21), and -an elastic return member (4) for urging the locking pin (3) into the locked position.
F16D 1/116 - 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 including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
B64C 13/30 - Transmitting means without power amplification or where power amplification is irrelevant mechanical using cable, chain, or rod mechanisms
50.
METHOD FOR MONITORING AN ELECTROMAGNETIC ACTUATOR TYPE APPARATUS
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Breuneval, Romain
Mansouri, Badr
Boutleux, Emmanuel
Clerc, Guy
Huillery, Julien
Michaud, Ryan
Abstract
A method for monitoring an electromagnetic actuator type apparatus, the apparatus comprising a three-phase electric motor, the monitoring method comprising the steps of: - performing measurements of the three-phase currents which supply the three-phase electric motor;- projecting the three-phase current measurements (Iq) into a Park frame of reference; - implementing, on the current in quadrature, a set-theoretic empirical modal decomposition method (30) coupled with a blind source separation method (40), in order to obtain source components (IC, IC10); - automatically selecting, from among the source components, a first set of source components (IC1,..., IC9) sensitive to a first fault and a second set of source components (IC9) sensitive to a second fault; - constructing (60) a first virtual fault signal and a second virtual fault signal; extracting (70), from the first virtual fault signal, a first set of signatures representing the first fault, and, from a second virtual fault signal, a second set of signatures representing the second fault.
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
51.
ACTUATOR EQUIPPED WITH A NO BACK SYSTEM WITH INHIBITION ZONE
Actuator (1) comprising: a screw (15) mounted on a frame (8) so as to pivot; a nut (19) connected to an element that is to be moved and which is engaged on the screw (15) in order to be moved between a first, over retraction, position and a second, deployment, position on either side of a third, retraction, position separated from the over-retraction position by a distance corresponding to a rotation of the screw (15) through a first angular sector (A1); an anti-extension device (30) comprising a friction disc (36) comprising at least one smooth surface (40) and an obstacle (41.1, 41.2), for both to collaborate with at least one pawl (42) and thus respectively define at least one second angular sector (A2,A3)in which the friction disc (36) is free to rotate and a position in which the friction disc (36) is immobilized.
The invention concerns a linking device for an exoskeleton structure comprising an input piece rotatably mounted relative to a support, a transmission device arranged such that when a first load is applied to the input piece that tends to pivot the input piece in a first direction of rotation, the transmission device transmits a force to a first connecting link that tends to pivot the first connecting link so as to transfer the first load to a first mechanical leg assembly and to remove the load from a second mechanical leg assembly, and when a second load is applied to the input piece that tends to pivot the input piece in a second direction or rotation, opposite the first, the transmission device transmits a force to a second connecting link that tends to pivot the second connecting link so as to transfer the second load to a second mechanical leg assembly and to remove the load from the first mechanical leg assembly.
The invention relates to an exoskeleton sub-assembly (30) comprising: - a leg part (32) to be attached to a leg of a user, and - a foot part (33) to be attached to a shoe of the user; the leg part (32) comprises a tibial segment (321) extending below the knee, along the tibia of the user, when the leg part (32) is attached to the leg, and the tibial segment (321) comprises a first component (325), a second component (326) connected to the foot part (33), and a first joint (327) connecting the second component (326) to the first component (325), the first joint (327) permitting a rotation of the second component (326) with respect to the first component (325) caused by an internal or external rotation of the user's foot with respect to the leg.
The invention concerns a device (1) for locating a target, comprising: - a camera (2) that can be oriented in an orientation in view of the target so that the camera acquires an image of the target, and an orientation in view of a star so that the camera acquires at least one image of the star, - an inertial unit (4) configured to calculate position and orientation data of the camera (2), - a resetting module (6) configured to a apply stellar resetting to the data on the basis of the image of the star, in order to produce reset data, - a location module (8) configured to estimate a position of the target (T) from the image of the target (T) and the reset data, - a communication interface for communicating with an operator station, the camera (2) passing from one orientation to the other in response to the reception, by the interface, of a command sent by the operator station.
A system (3) for detecting electromagnetic radiation is equipped with an electromagnetic radiation sensor. The sensor consists of a plurality of detectors sensitive to electromagnetic radiation and obtains images composed of pixels, each pixel being represented by at least one value from at least one detector of the sensor. The sensors must generally be cooled. Due to an effect of dispersion of individual responses from each detector of a sensor, it is essential to calibrate each detector of said sensor in gain and in offset value. A calibration of a detector requires at least two values from the detector to be acquired in order to estimate a gain and an offset value to apply to the values from said detector. The invention consists of inserting a band-pass electromagnetic radiation filter (402) with a predefined transmission coefficient into the system in order to vary the electromagnetic radiation reaching said sensor and thus to obtain, for each detector, the two values necessary for implementing the calibration.
56.
METHOD FOR COLLECTING OPERATIONAL DATA OF AN AIRCRAFT
Method for collecting operational data of an aircraft (1), this aircraft comprising a screen (2) for displaying operational data (3). The method is characterised in that: - by means of a mobile terminal (4) provided with at least one optical sensor, images (5) of said display screen (2) are acquired so that at least some of the images acquired show operational data displayed on the display screen; by means of an optical character recognition (OCR) module associated with said mobile terminal (4), strings of characters (C1, C2), each representing one of said operational data (3) displayed on the display screen (2) are identified in the images (5) acquired; - by means of a report generating module and said strings of characters (C1, C2) identified, an electronic report (6) containing at least some of said operational data (3) of the aircraft (1) is generated.
A sensor for sensing the angular motion of an object, comprising a frame (0) on which a first stationary part (1) and a second rotatably movable part (2) are mounted, bearing, respectively, a first printed circuit (10) and a second printed circuit (20) centred on the axis of rotation (X) and facing each other, that comprise conductive pads (11, 12, 21, 22) for forming capacitive sectors and, respectively, a primary excitation winding (15) and a secondary excitation winding (25) connected to the conductive pads (21, 22) of the second printed circuit; the first printed circuit being connected to an electronic control circuit (30) arranged to create excitation signals transmitted by the first printed circuit to the second printed circuit by magnetic coupling and demodulate signals transmitted by the second printed circuit to the first printed circuit by capacitive coupling.
G01D 5/241 - 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 capacitance by relative movement of capacitor electrodes
58.
EXOSKELETON STRUCTURE THAT PROVIDES FORCE ASSISTANCE TO THE USER
The invention concerns an exoskeleton subassembly comprising: - a first exoskeleton part (32), - a second exoskeleton part (33), - a connecting assembly (60) connecting the first exoskeleton part (32) to the second exoskeleton part (33), the connecting assembly (60) comprising a guide (61) mounted securely relative to one of the first part (32) and the second part (33), and a pin (62) mounted securely relative to the other of the first part (32) and the second part (33), the pin (62) being mounted slidingly inside the guide (61) between a first end position and a second end position, wherein the connecting assembly (60) further comprises a limiting device (64) arranged to allow the pin (62) to rotate relative to the guide (61) when the pin (62) is in the first end position, and to limit the rotation of the pin (62) relative to the guide (61) when the pin (62) is in the second end position, the limiting device (64) comprising a resilient element (65) with which the first exoskeleton part (32) engages when the pin (62) is in the second end position, the resilient element (65) applying an elastic return force on the first exoskeleton part (33) that tends to resist the rotation of the first exoskeleton part (33) and the second exoskeleton part (32) relative to each other.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS (France)
UNIVERSITE DE RENNES (France)
Inventor
Dupeyrat, Cyril
Foutrel, Patrice
Besnier, Philippe
Castel, Xavier
Corredores, Yonathan
Abstract
A shielding element (1) comprises a rigid substrate (2) and at least one electrically conductive two-dimensional structure (11) that is placed on one of the faces (S1, S2) of the substrate. The substrate and said at least one electrically conductive two-dimensional structure are designed so that the shielding element has optical-transmission and shielding-effectiveness values at least one of which varies between two zones (Z1, Z2) of the shielding element. Such a shielding element makes assembly of a detecting system that includes a plurality of optical sensors easier.
Laser-spot-detecting device (0) comprising a plurality of elementary optoelectronic detectors (1) that are each connected to an elementary pulse-detecting circuit (3), each elementary pulse-detecting circuit comprising a comparator and a memory module (26) that is connected to one output of the comparator, the memory modules being connected to a multiplexing circuit (35) having an output forming a digital spatial output of the laser spot detecting device. The laser spot detecting device furthermore includes a global OR circuit (21) having inputs connected to the outputs of the comparators and having an output forming a real-time digital temporal output of the laser-spot-detecting device. Method for detecting a laser spot implemented by such a detecting device.
The invention relates to a circuit for detecting light pulses intended for being connected to a photodiode (2), the detection circuit comprising an integration capacitor (Cint), discharge means (13) and comparison means (12) suitable for comparing an integration voltage (Vint) at the terminals of the integration capacitor with a reference threshold voltage (Vseuil) in order to produce a signal for detecting a light pulse. The reference voltage threshold (Vseuil) is a self-adaptive threshold which depends on a light background noise level. The invention also relates to a detection device comprising a photodiode and such a detection circuit. The invention further relates to a detection matrix including a plurality of such detection devices.
H04N 3/14 - Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices
62.
DEVICE AND METHOD FOR MAINTAINING THE ATTITUDE OF A GYROSCOPE
The invention relates to a device for maintaining the attitude of a carrier, the device comprising three primary gyroscopes (1, 2, 3) that are arranged to measure primary speeds of rotation (Rbc) of a carrier about three primary axes, a secondary gyroscope (4) that is arranged to measure a secondary speed of rotation (Rhp) of the carrier about a secondary axis that is different from each of the primary axes, a video camera (5) having an optical axis that is different from each of the primary axes, and a data processing module (6) that is configured to estimate scale-factor and drift errors that corrupt the primary speeds of rotation (Rbc) using data issued from the secondary speed of rotation (Rhp) and images acquired by the video camera (5), and to correct the primary speeds of rotation with said estimated errors.
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 25/00 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
The invention concerns a shoulder portion (3) for an exoskeleton structure, the shoulder portion (3) being intended to link an elbow portion (4) attached to an arm of a user to a back portion (2) attached to the back of the user, the shoulder portion (3) comprising: - a plurality of linking parts (34, 36, 38, 310), and - a first pivot (35) linking two of the linking parts (34, 36), allowing one of the linking parts (36) to rotate relative to the other linking part (34) about a first axis of rotation (X), when the elbow portion (4) rotates relative to the back portion (2) corresponding to an abduction or adduction movement of the shoulder of the user, in which the linking parts (34, 36, 38, 310) include a linking part (38) comprising two parts (381, 382) mounted sliding by means of a slide (383) relative to each other, the sliding of the parts (381, 382) relative to each other allowing a shortening or lengthening of the linking part (38) of the elbow portion (4) relative to the back portion (2) when the elbow portion (4) rotates relative to the back portion (2).
The invention concerns a foot portion (7) for an exoskeleton structure, comprising an ankle joint (72), a first support plate (732) designed to come to bear against the top of a shoe of the wearer when the foot portion (7) is attached to the foot of the wearer, a second support plate (735) suitable for being arranged under the sole of the shoe, a first segment (731) linking the ankle joint (72) to the first support plate (732) and a second segment (733) linking the first support plate (732) to the second support plate (735), the first segment (733) and the second segment (735) forming a spring capable of being compressed when the shoe is in contact with the ground (S) and of being expanded when the shoe is not in contact with the ground (S).
The invention relates to a modular exoskeleton structure that provides force assistance to the user, comprising a base module (1) that includes: a lumbar belt (11) to be placed around the user's waist; a battery (12) and a control unit (13), both secured to the lumbar belt (11); a first securing part secured to the belt (11) and intended to engage with a complementary second securing part of a hip module (5) in order to attach the hip module (5) to the base module (1) by means of the snap-fitting of the second securing part in the first securing part; and a third securing part secured to the belt (11) and intended to engage with a complementary fourth securing part of a back module in order to attach the back module to the base module (1).
B25J 9/08 - Programme-controlled manipulators characterised by modular constructions
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
66.
EXOSKELETON STRUCTURE THAT PROVIDES FORCE ASSISTANCE TO THE USER
The exoskeleton structure for assisting a user with exercise includes: - a first module that can be fixed on a first body part of a user; - a second module that can be fixed on a second body part of a user; - an actuator comprising a stator and a rotor that can rotate relative to the stator in order to rotationally move the second module (5,6) relative to the first module; and - an elastic return element designed to: in a first angular span of rotor movement relative to the stator, not apply any return force; and in a second angular span of rotor movement relative to the stator, apply a return force opposing a rotor rotation relative to the stator.
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
67.
METHOD FOR MONITORING THE AGEING OF A LANDING GEAR OF AN AIRCRAFT
The present invention relates to a method for monitoring the ageing of a landing gear of an aircraft, implemented by an autonomous measurement device installed on said landing gear and comprising sensors and a memory for storage, and comprising: after a landing of the aircraft, a stand-by step comprising detection by means of said sensors of the position of the landing gear at a first sampling frequency, for as long as the position of the landing gear is detected as vertical; after detection of a horizontal position of the landing gear, a sleep step comprising detection by means of said sensors of the position of the landing gear at least at a second sampling frequency, for as long as the position of the landing gear is detected as horizontal; after detection of a vertical position of the landing gear, a measurement step comprising acquisition by means of said sensors of physical parameters relating to the ageing of the landing gear, and detection of a landing of the aircraft at a third sampling frequency until a predetermined period has expired after a landing has been detected, said third frequency being greater than said second frequencies, and said second frequencies being greater than said first frequency; and storage in said storage memory of measurements relating to the ageing of the landing gear as a function of the measured physical parameters.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
68.
MODULAR EXOSKELETON STRUCTURE COMPRISING A BACKPACK SUPPORT MODULE
The invention relates to a modular exoskeleton structure that provides force assistance to the user, comprising a base module (1) including a lumbar belt (11) to be placed around the base of the user's trunk, two hip modules to be secured to the user's two thighs, and a backpack support module (14) for an exoskeleton structure, comprising: a cradle (141) to be anchored to the hip modules at the user's hips; a support rod (142) that extends along the length of the user's back and is inserted into a pouch of a backpack in order to hang the backpack from the backpack support module (14). The rod (142) comprises a first rod element (1421) connected to the cradle (141) and a second rod element (1422) that can slide relative to the first rod element (1421) such as to vary the length of the rod (142), and a damper for damping the movement of the second rod element (1421) relative to the first rod element (1422) caused by the user walking.
The invention concerns a back portion (2) for an exoskeleton structure, comprising a spinal column segment (21) intended to extend along a spinal column of a user, the spinal column segment (21) comprising a plurality of vertebra elements (211), stacked on top of each other, and one flexible connection element (212) linking the vertebra elements (211) together, the spinal column segment (21) having a stable equilibrium position in which the flexible connection element (212) keeps the vertebra elements (211) pressed together, and the flexible connection element (212) being resilient such that, during a movement of the back of the user, the flexible connection element (212) allows the vertebra elements (211) to move relative to each other, while exerting a return force tending to return the spinal column segment (21) to the stable equilibrium position.
A method for designing a navigation path from a hybrid inertial navigation system (100) installed on a vehicle (1), comprising the steps of: - calculating a first hybrid navigation path using a Kalman filter receiving inertial navigation data and non-inertial navigation data, and a second inertial navigation path from the inertial navigation data, - calculating, in real time, a difference between the first navigation path and the second navigation path and performing, on this difference, low-pass filtering having a convergence time greater than a period of the Kalman filter and less than the Schuler period, - correcting the second navigation path by means of the filtered difference.
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
The invention relates to a decamouflage method comprising: obtaining (40) images that are representative of a scene comprising a multispectral image comprising a plurality of components and a thermal image; extracting (42) a subportion, a so-called window, from each image obtained at a given position; applying (45) a procedure for accentuating contrasts in the window extracted from the multispectral image, resulting in obtaining an improved window in which a contrast between pixels corresponding to the object and pixels not corresponding to the object is accentuated; forming (46) a multi-component window, the improved window obtained and the window extracted from the thermal image each providing a component of the multi-component window; and applying (47) said procedure to the multi-component window; generating (48) an image by inserting the improved window obtained by applying said procedure to the multi-component window in a receptive image that is representative of the scene.
G01N 21/27 - Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
F41H 13/00 - Means of attack or defence not otherwise provided for
G06T 5/50 - Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
The invention relates to an inertial measurement device including a frame, a plate connected to the frame via a first suspension stage, an inertial measurement unit which includes vibrating sensors having first specific vibration modes and which is mounted on the plate via a second suspension stage; the first stage having a resonance frequency that is lower than a bandwidth of the inertial measurement unit and the second stage having a resonance frequency that is higher than a resonance frequency of the first stage and lower than the first specific modes of the vibrating sensors, the first stage including four resilient suspension elements and having a centre of stiffness which substantially matches the centre of gravity of the assembly made up of the plate, the second stage and the inertial measurement unit; the second stage including one to three resilient suspension elements.
G01C 19/5783 - Mountings or housings not specific to any of the devices covered by groups
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
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
A method for displaying a laser spot included in a multi-spectral image representative of an optical field consisting of pixels comprising a plurality of components, the laser spot being produced by a laser pointer and having a wavelength having values within a range of wavelengths depending on operating temperatures of the laser pointer. The method comprises: obtaining (41) a multi-spectral image in which each component corresponds to a given acquisition time and is representative of a spectral band from a plurality of spectral bands continuously covering a spectral domain comprising said range of wavelengths; applying (43) a contrast accentuation procedure to a sub-portion of the multi-spectral image comprising the laser spot, in order to obtain a sub-portion in which a contrast between the laser spot and a background is improved; and, generating (47) an image allowing the laser spot to be displayed by using information obtained after applying said procedure.
A method for measuring the distance between a first and at least one second unit (10, 20) provided respectively with a UWB transceiver (11, 21) provided with internal clocks (16, 26), communication between the units (10, 20) taking place in time-division duplex mode according to a plurality of frames each comprising at least one time interval, counted cyclically from a first and a second time reference (T10, T20, T30), the method comprising the following steps: - transmission, by the first unit (10), of the first UWB signal (SIG10); - transmission, by the second unit (20, 30), of a second UWB signal (SIG20*, SIG30*) comprising an indicator linked to the reception time of the first UWB signal (SIG10); - determination, by the first unit (10), of the distance (D10-20) separating same from the second unit (20).
The present invention concerns a flight control system of an aircraft comprising: -a first processing unit (1), -a second processing unit (2), -communication means configured to establish a first two-way digital link (3) and a second two-way digital link (4) between the first processing unit (1) and the second processing unit (2), said second link (4) being redundant with the first link (3), and said first link (3) and second link (4) being likely to be active concomitantly, said system further comprising backup communication means enabling data exchanges between the first processing unit (1) and the second processing unit (2) in the case of a failure in the first link (3) and second link (4), said backup communication means comprising an array of sensors or actuators (13) and/or a secure onboard network for the avionics (14).
The present invention concerns a method for switching, by a local processing unit (1,2) of a flight control system of an aircraft, configured to control at least one local actuator, connected to at least one local sensor and connected via at least one link (3,4) to an opposite processing unit (2,1) configured to control at least one opposite actuator and be connected to at least one opposite sensor, said local processing unit (1,2) being further configured to be connected to backup communication means (13,14) enabling data exchanges between the local processing unit (1,2) and the opposite processing unit (2,1) in the case of failures of the links connecting same (3,4), said backup communication means comprising an array of sensors or actuators (13) and/or a secure onboard network for the avionics (14), comprising steps of: - sending, to the opposite processing unit (2,1), acquisition data relative to the at least one local sensor and actuator data relative to the at least one local actuator, - receiving, from the opposite processing unit (2,1), acquisition data relative to the at least one opposite sensor and actuator data relative to the at least one opposite actuator, - receiving an item of opposite health data and determining an item of local health data, - switching said local processing unit (1,2) from a first state to a second state chosen from an active state (15), a passive state (16) and a slave state (18), depending on the opposite health data received and the local health data determined.
The quick-assist device applies to a free-turbine turbomachine (11) of an aircraft comprising at least a first free-turbine turbomachine (11) provided with a gas generator, combined with an electric machine (12) that can operate as a starter and as a generator, the first turbomachine (11) being capable of being brought into idle mode or into unwanted switch-off mode, the electric machine being powered from an onboard power supply network (17). The device further comprises at least one electric power storage unit (14) suitable for being electrically connected to the electric machine (12) combined with the first turbomachine (11) in order to provide punctual assistance to the gas generator of said turbomachine (11). The electric power storage unit (14) constitutes a so-called "primary" power storage unit that is non-rechargeable and single-use. The device comprises a system for activating the electric power storage unit (14) and a device (15) for coupling the electric power storage unit with a power supply system (13, 16) of the electric machine (12).
B64D 35/08 - Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission being driven by a plurality of power plants
B64D 41/00 - Power installations for auxiliary purposes
F01D 15/10 - Adaptations for driving, or combinations with, electric generators
F02C 3/10 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with another turbine driving an output shaft but not driving the compressor
The invention relates to an overspeed protection device of an aircraft engine comprising a fuel supply system of said aircraft engine, the protection device comprising a voltage source configured to deliver voltage according to negative or positive polarization via a polarizer mounted in parallel with the voltage source, said polarizer being configured to polarize voltage coming from the voltage source; a logic control device connected in series with the voltage source, said logic control device being configured to open or close the supply system as a function of the polarization of the delivered voltage.
The invention relates to an optoelectronic viewfinder with modular shielding, comprising an optoelectronic device (8), a bearing (15) comprising a rotary portion supporting the optoelectronic device (8), drive means engaging with the bearing such as to rotate the rotary portion, control means (14) suitable for controlling the drive means, and modular shielding suitable for being supported by the rotary portion of the bearing (15). According to the invention, the optoelectronic viewfinder is characterised by including detection means (24) for detecting the shielding connected to the control means which are arranged such as to adapt the control of the drive means in accordance with the result of the detection.
The invention relates to an optoelectronic surveillance system, which comprises an acquisition unit (1) including at least one sensor (2) mounted behind a zoom (3) having a group of mobile lenses (4) at the front and a group of stationary lenses (5) at the rear, defining at least one first space (6) in convergent rays, and a control unit (10) connected to the acquisition unit (1) and to a rotary optical element (11) arranged such as to rotate about a first axis (A1) and secured to a drive member controlled by the control unit (10) in order to modify a field perceived by the sensor (2) regardless of a movement of the acquisition unit (1) about the first axis. The optical element is a first transparent plate mounted in the first space (6) such as to rotate about the first axis, and the drive member is arranged such as to rotate the first plate in two opposite directions.
G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
G02B 15/00 - Optical objectives with means for varying the magnification
G03B 41/08 - Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film with optical compensator with rotating transmitting member
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
The invention relates to an armed optoelectronic turret including a body {3) pivoting around a bearing axis (Z), a weapon (15) rotatably secured to the body (3) according to the bearing axis (Z) and mounted such as to pivot about a first site axis (XI), and an optoelectronic viewfinder (6) mounted such as to pivot about the same bearing axis (Z) irrespective of the pivoting of the body (3) about the bearing axis (Z).
patents
