A power supply architecture for powering aircraft actuators includes a single-phase on-board electricity network is connected by a power supply circuit to an electric motor of an actuator, supercapacitor associated with an electronic circuit for managing the operation of the supercapacitor, and a downstream converter device for connecting to the motor. The power supply circuit includes in succession an upstream converter device for converting the voltage of the on-board electricity network into a voltage adapted to the power supply circuit downstream therefrom. The downstream converter device is reversible, so as to convert voltage both when the motor is operating in motor mode and also when the motor is operating in generator mode. The downstream converter device is arranged selectively to have a voltage-decreasing function and to have a voltage-increasing function regardless of the mode of operation of the motor.
H02J 7/34 - Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
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
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
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 managment module.
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
3.
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 (C1) derived from the modified weighting coefficients.
A device for detecting, by a drone, at least one manned aircraft, the manned aircraft emitting at least one positioning message comprising at least one altitude data, the detection device having a receiver to receive the positioning message and to measure its reception strength, a calculator configured to compare an altitude difference with a first threshold to activate a first state of vigilance in case of exceedance, compare the reception strength with a second threshold to activate a second vigilance state in case of exceedance, and generate at least one collision warning signal if the first vigilance signal and the second vigilance signal are active simultaneously.
A system including a coupling device and a data processing device designed to supply an excitation signal (SE) so that an internal signal (Φ) occurs in the coupling device, 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 (I0) based on the compensation signal (Sc). The data processing device is furthermore designed to analyse the measured signal (Sm) and to detect a fault on the trans-mission line based on this analysis.
G01R 31/08 - Locating faults in cables, transmission lines, or networks
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
6.
NAVIGATION DURING A DECEPTION OPERATION OF A SATELLITE SIGNAL RECEIVER
A navigation method based on satellite and inertial positioning data includes the following steps of computing: a first reference navigation, that is hybridised on the basis of inertial positioning data with positional corrections determined on the basis of satellite positioning data; a second reference navigation, that is hybridised on the basis of inertial positioning data; an emergency navigation on the basis of the second reference navigation, reset on the operational navigation then corrected by means of the positional corrections provided by the first reference navigation. A navigation system for implementing this method is also disclosed.
The present disclosure relates to a human-machine interface, in particular for a vehicle or for a device, comprising at least one gripping element comprising at least one transducer transmitting a command depending on at least one item of input information. The human-machine interface 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 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 25/00 - Other details, features or accessories of control mechanisms, e.g. supporting intermediate members elastically
8.
METHOD FOR CONTROLLING AN AIRCRAFT CONTROL ENGINE, CONTROL DEVICE AND AIRCRAFT
A method for controlling an engine, a device for controlling an engine and an aircraft, the method comprising the steps of determining a first intensity Kp, representing a stiffness, according to a physical stiffness Kss of the mechanical connection and a stiffness setpoint Kpspec to be rendered on the control column, a second intensity Kv, representing a damping, according to a physical damping fss between the control column and the engine and a damping setpoint Kvspec to be rendered on the control column, and a third intensity Ka, representing an inertia, according to a physical inertia Jss of the control column and an inertia setpoint Kaspec to be rendered on the control column.
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
A method includes for each of the portions of a guide of the actuator, obtaining an operating signal measured when a movable element of the actuator travels over the guide portion in question, upon each of a plurality of successive activations of the actuator; for each of the guide portions, seeking wear of the actuator from the operating signals obtained for this guide portion; and locating the wear on the guide or on the motor according to the guide portions from which the wear has been found.
Process for protecting a part comprising an aluminum-based alloy having a copper content greater than or equal to 0.5% by mass, the process comprising depositing a non-conductive protective layer over the entire part, laser pickling by means of a laser beam of an area of the non-conductive protective layer so as to form an unprotected area, chemical conversion, with trivalent chromium, of the unprotected area so as to form a conductive protective layer, and drying of the part.
A device comprising: a stand; a frame rotatably mounted relative to the stand; a control arm rotatably mounted on the frame; a roll spider rotatably mounted on the frame; a pitch spider rotatably mounted on the control arm; a roll motor that is stationary relative to the frame and that includes a roll pin rotatably mounted on the roll spider; and a pitch motor that is stationary relative to the frame and that includes a pitch pin rotatably mounted on the pitch spider. A rotary connection device.
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
Process for protecting a part comprising an aluminum-based alloy, the process comprising depositing a primer paint layer by anaphoresis over the entire part, polymerizing the primer paint layer in order to form a non-conductive polymerized primer paint layer, laser pickling, 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 of the unpainted area in order to form a conductive protective layer and drying the part, depositing a finishing paint layer on at least a portion of the non-conductive polymerized primer paint layer, and polymerizing the finishing paint layer.
B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
13.
SYSTEM AND METHOD FOR REAL TIME CONTROL OF THE TRAJECTORY OF AN AIRCRAFT ON A RUNWAY
A system for real-time control of the trajectory of an aircraft on a runway, includes at least one steering system configured to steer the aircraft on the ground, each steering system being associated with at least one use parameter; a computer configured for determining, from aircraft data and external data including runway condition data and ground meteorological data, each steering system intended to steer the aircraft according to a predetermined trajectory and each corresponding use parameter; and a control system configured to control each steering system determined according to each corresponding determined use parameter.
An autonomous impact detection device includes at least one impact detector; at least one wireless transmission device configured to transmit the information collected by the impact detector; at least one energy storage device configured to supply the impact detector and the wireless transmission device with energy; at least one Seebeck module configured to supply the storage device with energy when a temperature gradient is applied thereto; the wireless transmission device being configured to supply the storage device with energy when the temperature gradient to which the Seebeck module is exposed is not sufficient.
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
H10N 10/17 - 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 structure or configuration of the cell or thermocouple forming the device
B64F 5/60 - Testing or inspecting aircraft components or systems
An optronic sight for a motorized vehicle such as an aerial or marine vehicle propelled by a propeller, or a tracked land vehicle. The optronic sight can include an aiming module, means for moving the aiming module about the first and second axes, and means for continuously measuring angular data. The optronic sight can further include a feedback control loop having means for continuously measuring the acceleration of the aiming module in three orthogonal directions of the space, means for detecting at least one fundamental frequency of the vibratory disturbances, and an adaptive corrector configured to continuously receive as input said fundamental frequency, a discrepancy between an angular setpoint value and said angular data, output a movement setpoint value to the moving means.
An inertial rotation sensor comprising a vibratory resonator (1) associated with at least two first transducers (2.1) connected to a first electronic processor unit (5) via an electronic multiplexer member (6) in order to operate successively in a motor mode and in a detection mode and in order to supply a first detection signal. The vibratory resonator (1) is associated with at least two second transducers (2.2) that are connected via two load amplifiers (3.1), two anti-aliasing filters (3.2), and two ADCs (3.3) to a second electronic processor unit (4) in order to operate in detection mode and to supply a second detection signal. The sensor includes an electronic hybridizing unit (20) for forming a third detection signal from the first and second detection signals.
A communication system for an aircraft includes a first data concentrator, a first plurality of communicating devices for sending data to the first concentrator by wireless transmission. The first concentrator broadcasts at least one parameterisation signal for parameterising an operating cycle of the system and each communicating device sends a unique identification signal to the first concentrator, in response to this parameterisation signal, the first concentrator assigning a plurality of separate time windows valid for the cycle and each given communicating device transmitting data intended for the first concentrator via the channel associated with the time window assigned to this given device and only during this window.
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
H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS (France)
Inventor
Tricas, Quentin
Foutrel, Patrice
Besnier, Philippe
Castel, Xavier
Le Paven, Claire
Abstract
An optically transparent electromagnetic shielding assembly exhibiting a shielding efficiency that is increased when a conducting or polarizable fluid produces a low electrical impedance value between a periphery and a central region of a window. Such shielding assembly is useful in detection systems that are exposed to varying intensities of electromagnetic radiation, such as microwave radiation.
H01L 23/552 - Protection against radiation, e.g. light
H01L 25/16 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices the devices being of types provided for in two or more different main groups of groups , or in a single subclass of , , e.g. forming hybrid circuits
19.
Multispectral harmonisation device intended for aligning the optical channels of an optronic system
A multispectral harmonisation device intended to align the optical channels of an optronic system that includes at least two directional optical sources emitting respective optical beams of various wavelengths belonging to various spectral bands and comprises a parabolic mirror and means for positioning and orienting each of the optical sources so that each of the optical beams emitted by the optical sources passes through the optical focus of the parabolic mirror before being reflected by said parabolic mirror so that all the optical beams form, by reflection on the parabolic mirror, a multispectral collimated beam.
The invention relates to a method for processing a radionavigation signal generated by a satellite (SAT), said method comprising the following steps implemented in a processing unit of a radionavigation receiver: converting (102) the radionavigation signal into the frequency domain by means of a complex Fourier transform so as to obtain a frequency-domain radionavigation signal comprising a real part I and an imaginary part Q, the real part I having an amplitude I2 associated with one frequency; determining (103) a distribution law of the amplitude I2 of the real component I of the frequency-domain radionavigation signal; determining (104) an amplitude of the real component for which the distribution function is zero, said amplitude defining a threshold; processing (105) the frequency-domain radionavigation signal so as to filter components the amplitude of which is higher than the determined threshold.
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
21.
METHOD FOR STATISTICALLY CORRECTING THE ESTIMATION OF THE STATE OF A SYSTEM AND DEVICE THEREFOR
A method for statistically correcting the estimation of the state X of a system, the state X including a physical quantity, correcting the estimation of this state X being carried out on the basis of a plurality of observations Yi relating to this state X, each observation being obtained by a different measurement relating to at least one physical quantity, the method being implemented by a device including a calculator, the method including determining for each observation Yi, the difference between the observation Yi and the estimated state referred to as innovation Zi, using the relationship Zi=Yi−HX where H is the observation matrix associated with the statistical filter considered; associating an ordering parameter with each observation Yi, the ordering parameter being given by the relationship Ordi=|Zref−Zi| where Zref is a predetermined reference value; classifying the measurements in ascending order of the ordering parameter associated therewith; and correcting errors on the estimations using the statistical filter.
G01S 19/40 - Correcting position, velocity or attitude
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
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
22.
Sensor with mechanical compensation frequency anisotropy
Angular sensor with vibrating resonator includes a supporting structure, a first mass and a second mass which are concentric, and mechanical springs arranged symmetrically in pairs, the pairs themselves being arranged symmetrically with respect to one another. Each spring comprises a first elastic leaf and a second elastic leaf which are connected to one another by one end, the first elastic leaf of one of the springs of each pair being parallel to the second elastic leaf of the other of the springs of the same pair. The four elastic leaves of at least one pair comprise two adjacent pairs of leaves making an angle of approximately 45° between them. The sensor is not provided with electrostatic springs.
G01C 19/5712 - 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 the devices involving a micromechanical structure
23.
CONNECTION SYSTEM FOR EXCHANGING ELECTRICAL SIGNALS WITH MAGNETIC SYMMETRICAL CONNECTORS
A connection system for exchanging electrical signals, includes a first symmetrical connector, and a second symmetrical connector. Each symmetrical connector has at least one magnetic core provided with at least one turn. The symmetrical connectors are produced in a substrate made of insulating material so as to form a half of a coupling transformer At least one half of the coupling transformer of each connector is arranged opposite one another so as to be able to exchange a magnetic flux. The electrical signals are emitted by the first connector in the form of a magnetic flux, and the second connector generates the electrical signals on receiving the magnetic flux.
A control system for controlling at least one remote device includes a communication module for transmitting control instructions to the remote device; a processor unit for generating said control instructions and sending them to said communication module; and a user interface for detecting information from a user. The user interface includes at least one muscle activity sensor for detecting muscular activity information from the user by measuring the electrical activity of at least one of the user’s muscles, and the user interface generates muscular activity signals representative of detected muscular activity and sends them to the processor unit, and the processor unit generates the control instructions as a function of the muscular activity signals received by the processor unit.
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (France)
Inventor
Destraves, Julien
Fagot-Revurat, Lionel
Bailly, Éric
Canu, Antoine
Vera, David
Abstract
The invention relates to a device for measuring an operating variable, to be fitted onto a tyre, comprising:
an electronic circuit distributed over a first face of an electronic board and comprising a sensor;
a protective housing at least partially covering the electronic circuit; and
at least one first antenna wire having one end galvanically connected to the electronic circuit and integrally extending so as to project laterally from the housing;
The invention relates to a device for measuring an operating variable, to be fitted onto a tyre, comprising:
an electronic circuit distributed over a first face of an electronic board and comprising a sensor;
a protective housing at least partially covering the electronic circuit; and
at least one first antenna wire having one end galvanically connected to the electronic circuit and integrally extending so as to project laterally from the housing;
According to the invention, the housing comprises a lateral portion which projects substantially tangentially to a proximal end portion of the first wire in accordance with the generatrix of said first wire.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
B29D 30/00 - Producing pneumatic or solid tyres or parts thereof
G01L 17/00 - Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
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
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 19/08 - Means for indicating or recording, e.g. for remote indication
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
H01Q 9/28 - Conical, cylindrical, cage, strip, gauze or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
26.
METHOD OF LOCALIZED CONSOLIDATION OF PARTS ASSEMBLED BY MOLECULAR ADHESION
A method of assembling together a first part and at least one second part that are made of materials compatible with bonding by molecular adhesion includes a step of pressing a first surface of the first part against a second surface of the second part so as to create molecular bonds at an interface between the parts, and a step of consolidating the interface bonding as created in this way by heat treatment. The consolidation includes a step of emitting a power laser beam towards an impact point forming a portion of the outline of the interface, and a step of moving the impact point along the outline of the interface.
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (France)
Inventor
Canu, Antoine
Bailly, Eric
Vera, David
Neba, Eric-Carin
Arnoux, Michaël
Abstract
A pressure measuring device for a tyre includes an electronic circuit distributed over a first face and a second face of an electronic board and comprising a pressure sensor mounted on the first face of said electronic board; an antenna connected to the electronic circuit; a first housing part covering the first face such that together they delimit a first volume, and comprising channels fluidically connecting the first volume to the outside; a second housing part covering the second face such that together they delimit a second volume, and having a base for resting against an inner surface of a tread of the tyre, the second housing part being arranged such that the antenna projects laterally with respect to said second housing part and the housing has a centre of gravity located in the second volume spaced apart from the electronic board.
A system for managing the deceleration of an aircraft enabling the control in real time of the position of the aircraft on a braking axis, includes a braking system; a calculator configured to: calculate, from aircraft data and from external data, a sequence of use of the braking system intended to brake the aircraft over a predetermined braking distance which associates a predetermined position on the braking axis with each braking instant; update in real time the sequence of use as a function of the difference between the position of the aircraft and the predetermined position; and a controller configured to control the braking system as a function of the sequence of use.
A method for processing flight data having been recorded during three or more flights of an aircraft by a flight data recorder including obtaining two signature vectors with respective sizes, the two signature vectors corresponding to two different flights among the three or more flights, determining a similarity matrix, the components of which quantify the proximity between the two flight signature vectors, each component allowing identifying, for each element of a first signature, an element of the other signature which is closest, the proximity between two components of the signature vectors being a distance weighted by a mean value of the neighboring components of the similarity matrix, repeating the obtaining and determining in order to compare, two by two, all the flight signatures so as to obtain three or more similarity matrices, and processing said similarity matrices in order to evaluate the similarity between two flights.
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
G07C 5/00 - Registering or indicating the working of vehicles
G06F 18/22 - Matching criteria, e.g. proximity measures
A method for dating images obtained by at least one camera equipping a vehicle includes acquiring a reference signal including time information and generating a modulated signal in response to the reference signal. The modulated signal has at least one retiming pulse with a retiming period which that is different from a base period of the modulated signal. The method further includes, for each camera acquiring images at a frequency depending on the frequency of the modulated signal, each image being associated with a timestamp provided by the camera, and determining the time difference between the timestamps of two successive images of the camera. If the time difference determined between said timestamps is different from the base period of the modulated signal, the method assigns a reference date to said images depending on the time information of the reference signal.
H04N 5/926 - Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
A rotating electric machine includes a rotor and a wound stator. The wound stator has a stator shaft, wherein the stator coils are inserted in the rotor, and the stator shaft is inserted in the center of the rotor. At least one angular position sensor of the rotor is inserted in the center of the space delimited by the stator shaft and the rotor.
A method for navigating a carrier using a Kalman filter estimating a navigation state of a carrier, comprising: obtaining, from a signal transmitted by the satellite and subsequently received by the carrier, a delta range measured between the carrier and a satellite and another measured kinematic datum which is associated with the satellite, generating, from position data for the carrier and the satellite in the navigation state, an estimated delta range between the carrier and the satellite, calculating, using the delta ranges, a delta range innovation associated with the satellite, carrying out a test on the delta range innovation, the test result indicating whether or not the signal was a multi-path signal, using, by means of the filter, the kinematic datum as an observation to update the navigation state provided that the test result indicates that the signal was not a multi-path signal.
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
A method (100) for characterising processing differences between analog channels, the method comprising injecting (102) three analog signals into a first analog channel and a second analog channel, digitising (104) these signals so as to obtain digital signals xk, xl and yl having N samples, estimating (106) parameters γk,l and δk,l from the digital signals, where γk,l is a ratio between an amplitude of the first analog signal at the output of the first analog channel and an amplitude of the second analog signal at the output of the second analog channel, and where δk,l is a difference between a phase shift induced by the first analog channel in the first analog signal and a phase shift induced by the second analog channel in the second analog signal,
the estimation comprising the application of a least squares method in order to determine values of the parameters γk,l and δk,l minimising the following quantity:
A method (100) for characterising processing differences between analog channels, the method comprising injecting (102) three analog signals into a first analog channel and a second analog channel, digitising (104) these signals so as to obtain digital signals xk, xl and yl having N samples, estimating (106) parameters γk,l and δk,l from the digital signals, where γk,l is a ratio between an amplitude of the first analog signal at the output of the first analog channel and an amplitude of the second analog signal at the output of the second analog channel, and where δk,l is a difference between a phase shift induced by the first analog channel in the first analog signal and a phase shift induced by the second analog channel in the second analog signal,
the estimation comprising the application of a least squares method in order to determine values of the parameters γk,l and δk,l minimising the following quantity:
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The invention relates to a method for calibrating a receiver comprising a plurality of analog reception channels each including an antenna element of a multi-element antenna, the plurality of analog reception channels comprising a reference channel,
the method comprising determining (E1-E4) and correcting (E5), for each analog reception channel other than the reference channel, a phase shift with the reference channel, said determination comprising:
calculating (E1) an observed covariance matrix (RZZt,e) representative of the covariance between samples (Zte), collected in parallel on each of the analog reception channels over a period of time, of one or more incident reference radio signals on the multi-element antenna,
obtaining (E2) an estimate () of a reference covariance matrix representative of the covariance between samples of said incident radio signal(s) which would be collected in parallel on each of the analog reception channels over the period of time in the absence of phase shift between the analog reception channels,
calculating (E3) a product matrix (), resulting from the term-by-term matrix product of the observed covariance matrix with the estimate of the reference covariance matrix;
determining (E4) the argument () of complex terms of the product matrix.
H04B 1/10 - Means associated with receiver for limiting or suppressing noise or interference
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
A device comprising at least one electromechanical system and an electronic control unit comprising both a servo control loop connecting together the input and the output of the electromechanical system, and also a digital corrector. The device includes a software module having an input and an output connected respectively to the output and to the input of the electromechanical system. For each frequency of a set of frequencies that are to be analyzed, the software module is programmed: to issue a sinusoidal excitation signal on its output and to recover a response signal on its input; to model the response signal by means of a Fresnel representation and to filter it about the excitation frequency by means of at least one Kalman filter in order to obtain a state vector of the filtered response signal; and to obtain at least one transfer function for the system from the model, from the excitation signal, and from the input signal.
G05B 19/4155 - 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 programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
36.
DATA TRANSMISSION METHOD AND ELECTRONIC CHIP OF THE MANYCORE TYPE
A method for transmitting data between functions implemented on a first electronic chip of the manycore type. The first electronic chip includes a plurality of execution cores, the execution cores being grouped in clusters, the clusters being interconnected by at least two communication systems. The data transmission method includes the steps of: implementing a first function on a first cluster; implementing a second function on a second cluster, characterised in that the second function is also implemented on a third cluster distinct from the first and second clusters; and transmitting at least one data item between the first function and the second function.
An electrical conversion system includes an inverter arranged according to a multilevel type topology with k arms and a command device for cut-off against an electrical overload, connected to a set of first intermediate lines to measure a first intermediate continuous voltage. The cut-off command device is configured to determine a fault by detecting if the first measured intermediate continuous voltage is outside of a nominal voltage variation range [Vmax1, Vmin1] of the first intermediate voltage and to transmit a generalised opening command signal for an opening of the electronic commutation switches of each arm when the fault is determined.
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 1/084 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters using a control circuit common to several phases of a multi-phase system
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
38.
VARIABLE INDUCTIVE DISPLACEMENT SENSOR, ASSOCIATED DEVICE, SYSTEM AND AIRCRAFT
A variable inductive displacement sensor includes a primary excitation coil, a first secondary coil. and a second secondary coil. The primary excitation coil is configured to generate a variable magnetic field, and the first and second secondary coils are configured to each generate a signal induced by the variable magnetic field. The primary coil and the first and second secondary coils each have one end which is intended to be connected to a common ground.
G01D 5/22 - 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 differentially influencing two coils
H01F 29/12 - Variable transformers or inductances not covered by group with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable shield
The invention relates to a device (2) for transferring heat from a thermally conductive plate (3) capable of capturing the heat from a zone placed on a first side (32) of the plate, the device comprising at least one fin (35) placed on a second side (34) of the plate (30) opposite the first side (32) and having a duct (36) extending in a longitudinal direction (L) between a first end (38) connected to the plate and a second end (4) opposite the first end and which opens out, the duct (36) being connected to at least one Venturi-effect neck (42) bringing cooling air into the duct, the neck (42) being formed in the vicinity of the first end of the duct and the plate (30).
H01L 23/367 - Cooling facilitated by shape of device
H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
H01L 23/373 - Cooling facilitated by selection of materials for the device
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 1/16 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
F28F 13/08 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
40.
Method for controlling a wheeled vehicle in low-grip conditions
ARMINES—Association Pour La Recherche Et Le Developpement Des Methodes Et Processus Industriels (France)
Inventor
Li, Laëtitia
D'Andrea-Novel, Brigitte
Thorel, Sylvain
Richard, Aurélien
Abstract
ij) for each tire relative to the surface. The model is obtained by implementing an adaptive algorithm that selectively applies an affABREGEine model (Z1), a DUGOFF model (Z2), or a constant model (Z3).
B60W 40/00 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
Navigation device including an inertial navigation system coupled with a satellite navigation system, the information supplied by the satellite positioning system being used for adjusting the inertial navigation system, characterised in that the device further comprises means for measuring signals coming from base stations of a wireless cellular network, the satellite navigation system and the means for measuring signals coming from base stations of the wireless cellular network are coupled with each other by a tight coupling to form a satellite navigator and/or base-station navigator implementing an estimator with simultaneous localisation and mapping, and in that the satellite navigation system and the means for measuring signals coming from base stations of the wireless cellular network are coupled to the inertial navigation system by a loose coupling for adjusting the inertial navigation system.
G01S 19/46 - Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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
A stiffener device is suitable for use with an assembly that includes an electronic mother board, an electronic daughter board, a connector for connecting the daughter board parallel to the mother board, and an element for holding in position the daughter board in relation to the mother board. The stiffener device has a main clamp configured to hold tightly the upper surface and the lateral vertical surfaces of the connector.
H01R 12/73 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
43.
FORCE APPLICATION DEVICE FOR AN AIRCRAFT CONTROL COLUMN AND METHOD FOR USING SUCH A CONTROL COLUMN
The invention relates to a force application device for an aircraft control column, the control column comprising a control lever configured to rotate a first shaft and a second shaft, the force application device comprising a first force feedback member configured to exert a resistive force opposing the rotation of the first shaft, a second force feedback member configured to exert a resistive force opposing the rotation of the second shaft and a common braking device comprising a housing, a first braking member and a second braking member which are coaxial and mounted rotatably inside the housing and configured to engage with the first shaft and the second shaft, respectively, so as to brake them, preferably simultaneously.
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
44.
Method and device for predicting malfunctions of a dual-circuit solenoid valve
A method for measuring the hardware and operational state of a dual-circuit solenoid valve including first and second coaxial coils each associated with a circuit is disclosed. The method includes the steps of injecting a sinusoidal current into the first coil; measuring the voltage induced across the terminals of the second coil; and plotting at least one curve of a first magnitude proportional to the measured induced voltage as a function of a second magnitude proportional to the injected sinusoidal current.
F16K 31/06 - Operating means; Releasing devices magnetic using a magnet
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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
An accelerometer sensor includes a casing, a pendulum fixed to the casing, a movable electrode carried by the pendulum and connected to a detection circuit, a first electrode and a second electrode rigidly attached to the casing to form, with the moving electrode, two capacitors of variable capacitance depending on a distance between the electrodes. The accelerometer sensor further includes a control unit that carries out detection operations to measure the variable capacitances of the capacitors. The control unit also performs a control operation of the movable electrode depending on the capacitances measured by applying a logic signal for controlling a switch for selective connection of the fixed electrodes to an excitation circuit delivering a control signal to the fixed electrodes in order to keep the pendulum in a predetermined position.
G01P 15/125 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values by capacitive pick-up
G01P 15/13 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
46.
METHOD, EQUIPMENT, COMMUNICATION PROGRAM, ON-BOARD DEVICE HAVING THESE EQUIPMENTS
The invention relates to a method for communicating data between communication equipments, where the first communication equipment (EqptN) is put into the emission mode (Xmit) for the frame (TrN) containing its identification (D_PID), while each second communication equipment (Eqpt1, EqptN+1, EqptN+x) is put into the receiving mode (Rcv), then the equipment (EqptN) is put into the receiving mode (Rcv),
each equipment (Eqpt1, EqptN+1, EqptN+x) prescribes its local emission window (Ftle1, FtleN+1, FtleN+x), which is associated with its identification, during which it is put into the emission mode (Xmit) for its frame,
a time of beginning (IDF1, IDFN+1, IDFN+X) of the window being a determined function, increasing with respect to a difference equal to its identification from which the identification (D_PID) is subtracted,
each equipment is put into the emission mode, during which it emits its frame containing its identification during its window starting at the beginning time.
G06F 13/36 - Handling requests for interconnection or transfer for access to common bus or bus system
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
47.
AIRCRAFT CONTROL COLUMN WITH IMPROVED OVERALL REDUCTION RATIO AND METHOD FOR USING SUCH A CONTROL COLUMN
The invention relates to an aircraft control column, the control column comprising a first shaft and a control lever configured to rotate the first shaft about a first axis through a first angular range [α1; α3] via a mechanical joint having a primary reduction ratio, the control column comprising a braking device configured to brake the first shaft via a first transmission device having a secondary reduction ratio, the secondary reduction ratio being maximum for an angular position, the secondary reduction ratio increasing over the range [α1; α4] and then decreasing over the range [α4; α3] so as to obtain an overall reduction ratio that has a limited amplitude of variation over the first angular range [α1; α3].
B64C 13/38 - Transmitting means with power amplification
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
48.
Method, device and system for selecting an antenna
An antenna in a system is provided and includes a first device and at least one second mobile device, where the first device communicates with the second device(s). In an acquisition mode, for each antenna of an antenna system, a first item of communication quality information is obtained, and the antenna the first item of information of which is the highest is selected. In a pursuit mode, if the selected antenna is sectoral, a second item of communication quality information is obtained, and the antenna the second item of information of which is the highest is selected. For each antenna, a third item of communication quality is obtained if the selected antenna is the omnidirectional antenna, and from the third items of information, the antenna the third item of information of which is the highest is selected.
H04B 7/02 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/0491 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
49.
METHOD FOR SECURE PAIRING BETWEEN AN ON-BOARD AND REMOTE SENSOR AND CONCENTRATOR
A method for secure pairing between a sensor and a concentrator using a mobile terminal includes generating and emitting a confirmation code by the concentrator; converting by the sensor of the confirmation code into a sequence of light signals executed by at least one light-emitting diode; converting by the mobile terminal of the sequence of light signals into a sequence code; sending the sequence code to the concentrator; comparing, by the concentrator, the sequence code and the generated confirmation code: if the sequence code does not match the generated confirmation code, generating a warning; if the sequence code matches the generated confirmation code, pairing and exchanging information between the sensor and the concentrator.
A kit for manufacturing electronic aircraft control units having different specifications, the units including electronic modules of different types, including avionics platform modules comprising at least an electronic monitoring circuit and an electronic control circuit that are segregated from each other; first protection modules for protecting the avionics platform modules; first extended connection modules; and second protection modules for protecting the extended connection modules; the modules of each type being identical with one another.
An electronic card comprising: a first card portion including lightning protection components, a first ground plane and a first ground zone; a second card portion comprising functional components, a second ground plane and a second ground zone; a third card portion, which separates and electrically isolates the first ground plane and the first ground zone from the second ground plane and from the second ground zone; the first ground zone and the second ground zone being unvarnished; the first ground zone and the second ground zone being arranged in order to be applied onto a housing element that is electrically conductive and that belongs to a housing in which the electronic card is integrated.
An on-board computer includes a microprocessor chip with a lower face and an upper face, a chip carrier having an upper face on which the microprocessor chip is mounted, and a casing configured to discharge heat generated by the microprocessor chip in operation. An interposer is disposed between the upper face and the casing. The interposer diffuses the heat transmitted by the upper face of the microprocessor chip towards the casing. The interposer has an upper surface for heat exchange with the casing that is twice or more greater than the surface area of the upper face of the microprocessor chip. The interposer has on one or more sides a peripheral wedging rim coming into contact with a side wall of the chip carrier, and has no more than two peripheral wedging rims, in order to leave the other sides of the interposer free.
An impact detection device includes an impact detector, a wireless communication device, an energy storage device, an autonomous electrical energy generation device, a device for receiving energy by radio frequency, the device being configured to adopt the following two modes: a first mode, referred to as autonomous mode, in which the autonomous electrical energy generation device is configured to supply the impact detector and the wireless communication device; a second mode, referred to as external mode, in which the device for receiving energy by radio frequency is configured to supply the impact detector and the wireless communication device.
A conductive metal frame for a power electronics module comprising at least first and second power semiconductor components each having upper and lower faces, connectors for linking these power semiconductor components to external electrical circuits and at least one radiator for expelling via the conductive metal frame the heat flow generated by the power semiconductor components, the conductive metal frame being characterized in that the connectors, the at least one radiator and the conductive metal frame forming a single three-dimensional part made of a single material on an inner surface of which the first and second power semiconductor components are intended to be attached by their lower faces and provision is made for a central folding line so that, once the conductive metal frame is folded on itself, enclosing the first and second power semiconductor components, it provides a double-sided cooling assembly.
H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups
H01L 21/56 - Encapsulations, e.g. encapsulating layers, coatings
55.
METHOD AND DEVICE FOR TRANSMITTING DATA IN A WIRELESS NETWORK
A method and a system for transmitting data in a carrier sense multiple access wireless network wherein a plurality of data transmission devices send respectively at least one data frame at different moments from each other. Each transmission device, when it is initialised: loads the final value of a first, second and third counter, triggers the second counter as from its initial value, triggers, when the second counter has arrived at its final value, the first, triggers, when the first counter has arrived at its final value, the third counter, which is reinitialised to its initial value and retriggered whenever the presence of data is detected on the radio medium, transfers at least one data frame when the third counter has arrived at its final value.
An attachment system and method for optical parts for applying treatments and deposits on at least one surface of said parts without sparse zones on said surface. The system includes an optical part holder in the form of a flange provided with two branches connected at respective first branch ends thereof by a spring link and provided at respective second branch ends thereof with facing tabs and means for bringing said tabs together suited for tightening the branches on an edge of said parts. The method includes a step of positioning an optical part holder in the form of a flange on the edge of said optical part, where a front surface of said flange is positioned recessed from the surface to be treated or flush with the surface to be treated and a step of tightening the flange on the edge of said optical part.
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 14/54 - Controlling or regulating the coating process
57.
Method for controlling an actuator in a nested friction mechanical system
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
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
58.
MODULE FOR PROCESSING DATA IDENTIFYING A FRACTILE OF A SET OF DATA
A module for processing a set of n input data comprising a reference datum, which is configured to a) calculate the sum of weights that are associated only with those input data other than the reference datum which have values strictly lower than the value of the reference datum; b) compare the sum calculated in step a) with a first threshold; c) calculate the sum of the weights that are associated only with those input data other than the reference datum which have values strictly higher than the value of the reference datum; d) compare the sum calculated in step c) with a second threshold; e) generate an output datum indicating whether the reference datum is a fractile of the set included in a predetermined subset of fractiles, only if: the sum calculated in step a) is lower than the first threshold and the sum calculated in step c) is lower than the second threshold.
A connection device includes a housing having a first face provided with a first opening that is closed by a PCB, and a second face provided with a second opening facing at least one electrical connection interface of the PCB. The housing includes at least one well extending from an edge of the second opening to the PCB so as to position a first connector relative to the connection interface, and in that the housing is a one-piece part that includes the well.
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
H01R 13/514 - Bases; Cases formed as a modular block or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
H01R 12/58 - Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
A device for generating a gas by putting a liquid into contact with a catalyst includes an enclosure defining a first chamber for containing the liquid and a second chamber for containing the catalyst. A valve member is mounted to move inside the enclosure between a closed position in which the first chamber and the second chamber are isolated from each other and an open position in which the first chamber and the second chamber are in fluid-flow communication. Accordingly, the valve member is connected to an elastically-deformable diaphragm forming a wall of the enclosure. The diaphragm is coupled to an actuator arranged outside the enclosure to deform said diaphragm in such a manner as to move the valve member between the closed position and the open position.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
61.
HOUSING COMPRISING A COMPOSITE WALL INTEGRATING AT LEAST ONE COOLING CONDUIT
The disclosure relates to a housing comprising at least one composite wall comprising woven or braided carbon fibers covered with a thermoplastic or thermosetting resin, an electronic card carrying electronic components, and a heat transfer device having at least one portion facing an electronic component to be cooled of the electronic card, said heat transfer device being inserted inside the composite wall, the heat transfer device comprising at least one cooling conduit containing a cooling fluid.
A method of positioning a vehicle (N) that is provided with an electronic processor unit (2) connected both to a nonoptical positioning device (3, 4) and to an optical device (5) for taking external images, the electronic processor unit (2) including a database of landmarks including at least the geographical position of each landmark and a descriptive element describing each landmark, the method comprising the steps of:
estimating a first geographical position (P1e) for the vehicle (N) by means of the nonoptical positioning device (3, 4);
from the database, preselecting landmarks having geographical positions situated within a predetermined radius around the first geographical position (P1e) of the vehicle (N);
selecting the triplets that minimize geometrical errors;
controlling the optical device (5) for taking external images to take images of the selected landmarks;
selecting images in which the landmarks are indeed visible, identifying the landmarks in the images, and, from the images, measuring a relative or absolute bearing for each visible landmark; and
determining a second geographical position (POraw or POc) for the vehicle (N) from the measured relative or absolute bearings, optionally while taking account of movement of the vehicle (N) while the images of the landmarks of the triplet were being taken.
An electrical connection assembly including two complementary connectors, each including a mutually parallel electrically insulating plates each comprising one face carrying signal transport contacts and an opposite face carrying at least one shielding sheet in such a manner that, when the connectors are connected together, the plates are interleaved between one another so that the contacts are pressed against one another and the shielding sheets are pressed against each other.
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 13/50 - Transmitting means with power amplification using electrical energy
B64C 13/28 - Transmitting means without power amplification or where power amplification is irrelevant mechanical
G05G 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
65.
Method for monitoring the surroundings of a vehicle
A method and a device for monitoring a region (R) in which a carrier (100) is located, which device comprises a display unit displaying a polar plot (10) having a center symbolizing the current position of the carrier (100) and in which there is placed a first moving-body symbol (1, 2, 3) representing the current position of the moving body (101, 102, 103); the polar plot (10) being surrounded by an annular band (20) of width (l) representing a predetermined monitoring duration and containing second moving-body symbols (1′, 2′, 3′) representative of successive angle readings of the path of said moving body (101, 102, 103).
G01S 13/86 - Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
G01S 13/93 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes
G01S 13/00 - Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
66.
System and method for updating data for computing devices included in an aircraft
A data updating system for computing devices included in an aircraft, wherein one computing device in a first group of computing devices is, and one other computing device in a second group of computing devices is not, when the data of the computing device is updated, liable to affect the safety of the operator carrying out the maintenance on the aircraft. The system includes a data loading device, a connection connecting the data loading device with the computing device in the second group, and a data router connected to the data loading device, the data router transferring updating data to the computing devices in the first group only when a command by an operator in the cockpit of the aircraft is detected.
A module for operating a carrier of one or more substrates to be treated in a vacuum deposition method includes a frame provided with a plate receiving, on a first side, an electronic assembly comprising radio transmitter/receiver electronics, a processor card, motor controller electronics and a battery for supplying power to the module. The processor card has a program memory with a program for controlling the motor controller electronics according to data received from a remote apparatus provided with a radio transmitting/receiving device for communicating with the module's radio transmitter/receiver electronics and, on a second side, a device for operating the carrier, which device is provided with a first motor for rotating the carrier about a first axis parallel to the plate and with a second motor for rotating the carrier about a second axis perpendicular to the plate.
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
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
68.
Method for electrically insulating and electronic device and device obtained thereby
A method electrically insulates an electronic device including a housing having a first face provided with a first opening closed by a PCB and a second face provided with a second opening extending facing at least a portion of at least one connection interface in which at least one first connector is connected. The method includes the steps of forming a mold around the connection interface, and while the device is placed in a vacuum enclosure, pouring a liquid resin into the mold in order to form a layer of electrically insulating material between the connector and the connection interface. A device is obtained by performing the method.
A system for recharging an autonomous aerial vehicle includes a base, a supply boom, a receiving basket, a centering device, and a locking device. The supply boom includes a tip and first recharger. The receiving basket has an inner wall delimiting a cavity that may receive the tip of the supply boom. The receiving basket including a second recharger that is complementary to the first recharger. One of the supply boom and the receiving basket is mounted on the autonomous aerial vehicle while the other is mounted on the base. The centering device centers the tip of the supply boom in the cavity of the receiving basket. The locking device is controlled by a controller and locks the supply boom in the receiving basket.
A measurement device for measuring an angular position of a movable body that is rotatable about an axis of rotation relative to a stationary body, the device comprising, facing each other, a movable portion with a first printed circuit having first tracks formed thereon defining a plurality of target patterns and a stationary portion with a second printed circuit having second tracks formed thereon defining a plurality of measurement patterns that are angularly distributed in regular manner. The target patterns are angularly distributed in irregular manner, the number of target patterns is not less than two, and the product of the number of target patterns multiplied by the number of measurement patterns is not less than twelve.
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
G01P 3/488 - Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors
71.
SYSTEM AND METHOD FOR REMOTELY UPDATING DATA FOR COMPUTER DEVICES INCLUDED IN AN AIRCRAFT
A system for updating data for computer devices included in an aircraft, the computer devices being, when the data is updated, liable to affect or not the safety of an operator performing maintenance, the system is included in the aircraft and includes a data loading device, a communication device, a data router and a module for detecting at least one maintenance operation on the aircraft. The system includes: means, included in the communication device, for receiving a command for updating a computer device; means, included in the communication device, for controlling the data loading device and the data router in order to transfer the updating data to the computer device; and means, controlled by the module for detecting at least one maintenance operation on the aircraft, for blocking the updating if at least one signal indicating that a maintenance operation is being performed on the aircraft is received.
An electrical supply holding circuit includes a primary stage and a secondary stage. The primary stage includes a voltage connector connected to a supply network, and a primary winding connected to a voltage converter. The secondary stage includes a secondary winding facing the primary winding, the primary and secondary windings forming two coupled inductances, and a voltage controller to which the secondary winding is connected, the voltage controller being connected to a load and controlling a voltage across the terminals of the load. Directions of the currents flowing through the primary and secondary windings are the reverse of one another, and the voltage converter stops the supply to the primary winding when the supply voltage is less than a threshold voltage and resumes the supply to the primary winding when the supply voltage is greater than a threshold voltage.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
B64D 41/00 - Power installations for auxiliary purposes
H02H 3/24 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to undervoltage or no-voltage
73.
Decision assistance system and method for firing a projectile at a target
A system for firing a projectile mounted on a carrier, the decision assistance system comprising: a first simulator for simulating a navigation system of the carrier and configured to produce a precision of a solution for navigation of the carrier; a second simulator for simulating a navigation system of the projectile and configured to be initialized with the precision of the solution for navigation of the carrier and produce a precision of a solution for navigation of the projectile; and a selector configured to select or not the projectile as projectile to be fired as a function of the precision of a solution for navigation of the projectile.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Mansouri, Badr
Breuneval, Romain
Clerc, Guy
Nahid-Mobarakeh, Babak
Abstract
A method for estimating a Remaining Useful Life of a subject equipment, with a preliminary phase including the following steps: acquire test observations (step 10) and produce test time series (Sx) of at least one signature; partition the test time series to obtain severity classes corresponding to the ageing phases of the test equipment devices (step 14); carry out an initial learning of a diagnosis model on the test equipment devices (step 45); perform a second learning of a signature prediction model (step 51). There is also an operational phase including the following steps: acquire observations when in operation on the subject equipment and produce an extrapolated time series using the prediction model; classify the extrapolated time series using the diagnosis model and derive the remaining useful life of the subject equipment.
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
G07C 3/00 - Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
75.
Method and device for detecting a decoy operation of a GNSS system
A method of detecting an operation to spoof a first positioning device carried by a first vehicle moving in a zone in which at least one second vehicle carrying a second positioning device is also moving, the method comprising the step of causing at least one first positioning value to be calculated for each vehicle from initial satellite signals received by each device; the method being characterized in that it further comprises the steps of: causing the second device to initiate a latching stage in order to make a new search for satellite signals and using the new satellite signals received by the second device to calculate a second positioning value for the second vehicle at the same instant as the first value; comparing the first and second values relating to the second vehicle; and issuing a warning when the two values do not coincide.
A device intended to be positioned close to a joint between two parts, the device including a first interface carried by a first of the two parts and a second interface carried by a second of the two parts, the device including at least one connection between the first interface and the second interface. The connection includes two cylinders mounted in parallel so that each cylinder is connected by its output rod to the first interface and by its body to the second interface, the simultaneous displacement of the two output rods allowing, when in use, movement of the second part of the joint relative to the first part of the joint. A general system including the device as well as a fluid-supply unit for said device are also provided.
a) which is opposite the magnetisable element and free to rotate about the first axis relative to the magnetisable element, the magnetic transmitter having an activated state in which the magnetic transmitter is supplied with current and generates a magnetic field in a volume occupied by the magnetisable element, and a deactivated state in which the magnetic transmitter is not supplied with current and does not generate a magnetic field, so as to prevent the magnetisable element from rotating about the shaft relative to the magnetic transmitter.
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
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
78.
Method for calibrating a photodetector array, a calibration device, and an associated imaging system
A method for calibrating a photodetector array supplying a video stream includes: a determination step, wherein an offset table is determined for each current image of the video stream based on at least two corrections from among the following: a first correction from a comparison of the current image to a corresponding predetermined reference table; a second correction from a calculation of a column error of the current image; and a third correction from a high-pass temporal filtering of the video stream; and a calculation step, wherein a current value of an offset table, equal to a sum between a previous value of the offset table and a weighted sum of at least two corrections, is calculated, with each coefficient of the offset table being associated with a respective photodetector of the array.
G06T 7/80 - Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
G06T 5/50 - Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
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 5/367 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response applied to defects, e.g. non-responsive pixels
G06T 5/20 - Image enhancement or restoration by the use of local operators
A method and a device resets an inertial unit of a transport on the basis of information delivered by a viewfinder of the transport. According to one embodiment: a horizontal velocity vector of the transport and coordinates of the transport are obtained from the inertial unit, a horizontal line of sight of the viewfinder is obtained on at least one landmark, coordinates of at least one landmark are obtained, an angle between the horizontal velocity vector and the horizontal line of sight is computed, the drift of the computed angle is computed, an error is computed on the basis of the obtained coordinates, the computed angle and its computed drift, and the computed error is transferred to a Kalman filter for filtering the error and resetting the inertial unit.
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 of monitoring at least first and second inertial measurement units, the first inertial measurement unit and the second inertial measurement unit being connected to the same electronic processor circuit and being arranged to determine both a specific force vector in an accelerometer measurement reference frame and also rotation data concerning turning of the accelerometer measurement reference frame relative to an inertial reference frame; the electronic processor circuit performs the steps of projecting the specific force vectors into an inertial reference frame by using the rotation data; comparing the two specific force vectors as projected into said reference frame with each other in order to determine a difference between them; and monitoring variation in this difference over time.
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
G01P 21/02 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass of speedometers
81.
Method and device for locating an element which can be transported by an aircraft
A method for locating an element which can be transported by aircraft includes, for a first position of an aircraft: a) transmitting, from an antenna located in the aircraft, a first message intended for the transportable element; b) receiving, on the antenna, a second message transmitted by the transportable element upon receipt of the first message; c) obtaining a travel time of the first and second messages; d) determining a distance from the travel times; e) determining that the element is inside the aircraft if the distance is less than a value and that the element is outside the aircraft if the distance is greater than the value.
A multilayer electrically conductive wire includes a central support core, and a set of pairs of layers each including at least one intercalary layer made of a non-carbon material, wherein the first layer of the first pair of layers is deposited on the outer surface of the central core and the first layer of the N+1 pair of layers is deposited on the second layer of the N pair of layers such that each graphene layer of each N pair is separated from another graphene layer of another pair of layers by an intercalary layer of another non-carbon based material.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
H01B 13/016 - Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
An electronic circuit (12) connected to a variable-excitation sensor (24) and comprising:
a digital envelope detector (20) arranged to acquire signal that is produced by the sensor in response to an excitation signal, the detector comprising:
an analog-to-digital converter (22) arranged to sample the measurement signal in such a manner as to produce sample points during successive observation windows of duration T that comprise a number NS of sample points, the sample points being spaced apart by a sampling period TS, the sampling period TS and the duration T being such that:
An electronic circuit (12) connected to a variable-excitation sensor (24) and comprising:
a digital envelope detector (20) arranged to acquire signal that is produced by the sensor in response to an excitation signal, the detector comprising:
an analog-to-digital converter (22) arranged to sample the measurement signal in such a manner as to produce sample points during successive observation windows of duration T that comprise a number NS of sample points, the sample points being spaced apart by a sampling period TS, the sampling period TS and the duration T being such that:
TS=NP·T0+(NT/NS)·T0 and T=NS·TS,
An electronic circuit (12) connected to a variable-excitation sensor (24) and comprising:
a digital envelope detector (20) arranged to acquire signal that is produced by the sensor in response to an excitation signal, the detector comprising:
an analog-to-digital converter (22) arranged to sample the measurement signal in such a manner as to produce sample points during successive observation windows of duration T that comprise a number NS of sample points, the sample points being spaced apart by a sampling period TS, the sampling period TS and the duration T being such that:
TS=NP·T0+(NT/NS)·T0 and T=NS·TS,
where T0 is one excitation period of the excitation signal, where NP, NT, and NS are non-zero natural integers, and where NT is not a multiple of NS.
B60T 8/17 - Using electrical or electronic regulation means to control braking
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B64C 25/46 - Brake regulators for preventing skidding or aircraft somersaulting
A path is defined to be followed by a vehicle in an environment represented by a graph of nodes connected by edges. Each node represents the vehicle's position. Each edge between two nodes indicates a transition cost between the two nodes. An instance of the graph, which is represented by a start node, a destination node and mandatory nodes through which the vehicle must pass, is obtained. An initial order of travel through the mandatory nodes is obtained by applying a procedure, using a graph convolutional neural network, adapted to the graph, to the instance. A procedure of local optimisation of the mandatory nodes is executed in order to obtain an optimised order. A path for the instance is defined to be resolved: from the optimised order and for each pair of nodes of the instance to be resolved, from a shortest path between the nodes of the pair.
Detecting an object in an image of pixels is disclosed. The method includes: obtaining a position of a mask covering at least one pixel of an image; obtaining a predefined neighbourhood of pixels around the mask and dividing this neighbourhood into zones; for each zone, calculating a mean and variance of values of the pixels of the zone; calculating, for each possible pair of zones, a difference between the zones; determining whether a background of the mask is multimode or monomode according to the differences; calculating a variance of the values of the neighbourhood pixels using a formula for calculating the variance dependent on the monomode or multimode type of the background; calculating a signal to noise ratio for the mask position using the variance of the values of the pixels of the neighbourhood obtained; and detecting an object when the signal to noise ratio is above a threshold.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06V 10/75 - Image or video pattern matching; Proximity measures in feature spaces using context analysis; Selection of dictionaries
G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
G06T 7/77 - Determining position or orientation of objects or cameras using statistical methods
G01S 7/41 - 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 using analysis of echo signal for target characterisation; Target signature; Target cross-section
G01S 13/04 - Systems determining presence of a target
G06V 10/36 - Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
G06V 10/22 - Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
G06T 7/70 - Determining position or orientation of objects or cameras
G06V 10/26 - Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
G01S 17/04 - Systems determining the presence of a target
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
A method of navigating a vehicle (A) by means of a navigation algorithm arranged to determine spatial information (p(xr, yr, zr), v, a(Θxr, Θyr, Θzr), PL) on the basis firstly of inertial measurements (Mi) coming from a signal processor circuit (100) for processing the signals from an inertial measurement unit (I) and secondly of pseudo-distance measurements (Mpd) determined in response to receiving signals from positioning satellites, the measurement processor circuit (100) having a calibration input adjustable on a self-calibration value (VCal) in order to reduce the influence of an error of the inertial measurement unit (I) on the spatial information (p(xr, yr, zr), v, a(Θxr, Θyr, Θzr), PL) supplied by the navigation algorithm. The navigation algorithm makes use of at least: a Kalman-Schmidt filter (400) arranged to detect faulty measurements among the measurements and to prevent them from being used in determining the spatial information (p(xr, yr, zr), v, a(Θxr, Θyr, Θzr), PL), a Kalman filter (500) that is set to supply at least one estimate (E) of at least one error affecting the inertial measurement unit (I) and covariance (Cov) associated with said estimate, and a consolidation algorithm (600) programmed to compare the covariance with a first covariance threshold and to store the estimate if the covariance is less than the first covariance threshold in order to update the self-calibration value by means of the estimate of the error of the inertial measurement unit.
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
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
87.
Electronic board having components in cavities and shared solder pads and manufacturing method for the same
An electronic circuit board includes a printed circuit board and first and second electronic components. The printed circuit board includes a first insulating layer, a second insulating layer attached to the first insulating layer and in which is formed an open cavity, and a second conductive layer attached to the second insulating layer. The second conductive layer is treated to form a surface solder pad. The first electronic component is housed in the open cavity of the second insulating layer. The second electronic component is placed on the second insulating layer without overlapping with the open cavity. The first electronic component and the second electronic component each include a termination soldered on the surface solder pad, the surface solder pad being shared by the first and second electronic components.
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
A management method for managing compatibility between a first piece of equipment and a second piece of equipment connected together by communication interfaces. The method comprises the following steps: the first piece of equipment sending first compatibility information to the second piece of equipment, which first compatibility information is representative of the first data formats; the second piece of equipment preparing second compatibility information identifying at least one of the first formats that corresponds to the second format; and the second piece of equipment determining a level of compatibility with the first piece of equipment from the second compatibility information.
A management method for managing compatibility between a first piece of equipment and a second piece of equipment connected together by communication interfaces. The method comprises the following steps: the first piece of equipment sending first compatibility information to the second piece of equipment, which first compatibility information is representative of the first data formats; the second piece of equipment preparing second compatibility information identifying at least one of the first formats that corresponds to the second format; and the second piece of equipment determining a level of compatibility with the first piece of equipment from the second compatibility information.
A system for implementing the method.
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 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 5/05 - Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops
91.
Method for detecting a degradation of a wheel tire
A method of detecting degradation of a real tire of a wheel includes the steps of: acquiring at least one first three-dimensional object representative of the shape of the real tire by using an electronic appliance including at least one three-dimensional sensor, the first three-dimensional object being made up of a set of capture points; determining the position of the center point of the real tire from the set of capture points; registering the first three-dimensional object to obtain a second three-dimensional object; transforming the second three-dimensional object in order to obtain one or more two-dimensional objects; and analyzing the two-dimensional object(s) in order to detect degradation of the real tire.
A carrier assembly including a harness and a front bullet-proof chest plate; a first strap provided with a first element of a first quick connector; a second strap provided with a first element of a second quick connector; a third strap provided with a second element of the first quick connector; a fourth strap provided with a second element of the second quick connector; the front bullet-proof chest plate including third and fourth elements for cooperating respectively with the first and second elements of the first quick connector; and fifth and sixth elements for cooperating respectively with the first and second elements of the second quick connector.
The invention relates to an inertial/video hybridisation device (2) intended to be mounted on a carrier (2), the device comprising: a camera (6) configured to acquire a first image showing a predetermined landmark (12) attached to the carrier (2), a processing unit (8) configured to estimate a velocity of the carrier (2) from the acquired first image, with a view to hybridising the estimated velocity with inertial data relating to the carrier (2) produced by an inertial unit (4), locating a position of the landmark (12) in the first acquired image, calculating a deviation between the located position and a reference position of the landmark (12), comparing the calculated deviation with a predetermined threshold, and signalling an alert when the calculated deviation is greater than the predetermined threshold.
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
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
G06T 7/80 - Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
94.
ACQUISITION AND ANALYSIS DEVICE INTENDED FOR INTEGRATION INTO A PRE-EXISTING AIRCRAFT
An acquisition and analysis device to be integrated in a pre-existing aircraft that includes original systems comprising pilot controls and also an autopilot system includes acquisition means arranged to acquire parameters produced by the original systems, and analysis means arranged on the basis of the parameters, to evaluate whether the pre-existing aircraft is normal or abnormal, and to evaluate the current stage of flight of the pre-existing aircraft, on the basis of the state of the pre-existing aircraft and of the current stage of flight of the pre-existing aircraft, to define a piloting setpoint selected from piloting setpoints comprising at least a manual piloting setpoint produced by a pilot actuating pilot controls, an autopilot setpoint produced by the autopilot system, and an alternative piloting setpoint, and to cause the selected piloting setpoint to be transmitted to the original systems of the pre-existing aircraft.
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).
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
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
96.
An alternative piloting system for integrating in a pre-existing aircraft
An alternative piloting system arranged to be integrated in a pre-existing aircraft that includes original systems having flight control and autopilot systems. The autopilot system includes a piloting device independent of the original systems, having a positioning unit arranged to produce positioning data relating to the aircraft, and a control unit arranged to produce an alternative piloting setpoint for the aircraft; an acquisition and analysis device, including acquisition device arranged to acquire data produced by the original systems, positioning data and alternative piloting setpoint as produced by the piloting device, and decision device arranged to decide whether the alternative piloting setpoint should or should not be used for piloting the aircraft; and an interface device arranged to control the flight control system on the basis of the alternative piloting setpoint when the decision device of the acquisition and analysis device decide that said alternative piloting setpoint should be used for piloting the aircraft.
A piloting device arranged to be integrated in a pre-existing aircraft that includes original systems comprising both a flight control system and an autopilot system is distinct from and autonomous relative to the original systems and includes a positioning unit and a control unit. The positioning unit is arranged to produce positioning data for the pre-existing aircraft. The control unit is arranged to perform a geofencing function from the positioning data produced by the positioning unit and to produce an alternative piloting setpoint for the pre-existing aircraft. The alternative piloting setpoint is adapted to supplement both a manual piloting setpoint produced by a pilot of the pre-existing aircraft via the flight control system and also an autopilot setpoint produced by the autopilot system.
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.
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
G05G 5/00 - Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
A method for piloting a pre-existing aircraft comprising the following steps:
integrating an alternative piloting system (1) into the pre-existing aircraft;
connecting the aircraft (200) and a ground station in which a ground pilot (207) is positioned;
when the aircraft is in a normal state, having the aircraft piloted by a nominal crew;
using detection means to detect the occurrence of an emergency situation and, when the occurrence of the emergency is detected:
making the ground pilot (207) operational, so that the ground pilot can produce an aircraft ground piloting set-point;
transmitting the ground piloting setpoint to the aircraft;
using the alternative piloting system to acquire and transmit the ground piloting setpoint to the aircraft flight control system.
verification means (87) arranged to, when the aircraft is configured in the single-pilot mode, verify that single-pilot flight conditions are met and inform the sole pilot on board and a ground station of the results of these checks.
patents
