The present invention relates to a gyroscopic measurement method by means of a sensor (10) comprising a housing (12) and a vibrating element (15) able to vibrate relative to the housing (12) simultaneously according to a direction (x) of a pilot mode and a direction (y) of a detection mode, comprising the control (110) of a first and a second vibration amplitude of the vibrating element (15) according to the directions of the pilot mode and detection mode respectively to a predetermined pilot amplitude (xmax) and detection amplitude (ymax), and the determination (120) of an instantaneous angular speed (Ωmes) of the housing (12).
The present invention relates to a gyroscopic measurement method by means of a sensor (10) comprising a housing (12) and a vibrating element (15) able to vibrate relative to the housing (12) simultaneously according to a direction (x) of a pilot mode and a direction (y) of a detection mode, comprising the control (110) of a first and a second vibration amplitude of the vibrating element (15) according to the directions of the pilot mode and detection mode respectively to a predetermined pilot amplitude (xmax) and detection amplitude (ymax), and the determination (120) of an instantaneous angular speed (Ωmes) of the housing (12).
A predetermined bias (ξ(t)) is introduced into a measurement of an angular position (θ) of the direction (x) of the pilot mode used to determine a biased force (Fass,bias) to be exerted on the vibrating element (15) for the control of the first and/or second vibration amplitude, to cause controlled rotation of the direction (x) of the pilot mode in the plane of vibration (XY).
The present invention relates to a method (400) of gyroscopic measurement by means of a sensor (10) comprising a housing (12) and a vibrating element (15) apt to vibrate relative to the housing (12) comprising supplying a first servo module (20) with a first force (Fx) to be exerted along the direction of the pilot mode (x) on the vibrating element (15), and a pilot amplitude (xmax) for servoing the vibrations along the direction of the pilot mode (x); the simultaneous use of the first force (Fx) and of the servoing of the vibrating element (15) along the direction (x) of the pilot mode; the supply to a second servo module (25) of a second force (Fy) to be exerted in phase quadrature with the first force along the direction of the detection mode (y), and a non-zero vibration servo amplitude (ymax) along the direction (y) of the detection mode; the simultaneous use of the second force (Fy) and of the servoing along the direction (y) of the detection mode; and the determination of an instantaneous angular speed (Ω(t)) of the housing in an inertial frame of reference.
The present invention relates to a sensor (10) comprising a housing (12) and a vibrating element (15) apt to vibrate relative to the housing (12), comprising:
an initialization (410), to provide a pilot amplitude (xmax), a detection amplitude (ymax), an adjustment command (Tth) of predetermined spectral signature, and a calibration angular speed (Ωcal);
a calibration (420), comprising the servoing to the pilot amplitude and to the detection amplitude of the vibrations of the vibrating element (15) along the direction (x) of the pilot mode and the direction (y) of the detection mode, and simultaneously the exertion of a first stable force (Fy,phase,suppapp) configured not to disturb the measurement of the sensor (10) from the adjustment command (Tth), as well as the application of a second force (Fy,quadapp) determined on the basis of the spectral signature of the adjustment command so as to cause a rotation of the direction of the pilot mode, an instantaneous angular speed (Ω(t)) of the housing (12) being imposed as equal to the calibration angular speed (Ωcal), and the determination of a reference angular speed (Ωref);
an acquisition (430), analogous to the calibration but with a free instantaneous angular speed (Ω(t)); a determination (440) of a measured instantaneous angular speed (Ωmes(t)).
The present invention relates to a finite impulse response filtering method, including acquisition of a digital signal corresponding to an analog signal converted by an analog/digital converter, application of a digital processing to the digital signal in order to transform the signal into a sum of a time-variable part and a time-constant part, removal of the variable part of the transformed digital signal so as to obtain a constant digital signal, by applying a sequence of a plurality of sinusoidal band-stop filters, digital processing of the constant digital signal so as to obtain an amplitude of the signal, and transmission of the amplitude to an application software.
A method for detecting an anomaly in an electronic system in operation, in particular a cyberattack, the electronic system including processors that are each composed of hardware blocks, the processor being capable of executing an application with the application interacting with the hardware blocks. The detection method includes at least measuring, when the electronic system is in operation, at least one parameter representative of the interactions of the application with one of the hardware blocks, comparing each measurement with an associated reference dataset to detect potential inconsistencies between the measurement and the reference dataset, the reference dataset being representative of the operation of the electronic system when no anomalies are present, and sending an alert according to an alert criterion relating to the one or more detected inconsistencies.
The invention relates to measuring equipment, comprising a heating device, and intended to be arranged externally, at the skin of a vehicle which can move in a hostile climate environment with icing climate conditions, said equipment corresponding to a body consisting of a mast supporting a tube closed at one of the ends thereof, the heating device being intended to be housed within said tube and comprising at least one heating wire coiled inside the body of said tube, according to a bridged coiling defined by the presence of a bridge (P), the bridge corresponding to a portion of heating wire overlapping, along the axis of said tube, a predetermined number of turns of the end of said coiling located near the open end (12) of said tube, the overlapping turns being evenly spaced at a predetermined pitch associated with the overlapping zone.
A transportable system of evaluation of a level of fatigue of at least one operator. The system includes a case, a camera configured to acquire images of the face of an operator, a sensor configured to measure a heart rate of the operator, a calculator, and a human-machine interaction device. The calculator is configured to receive the images acquired from the camera and the measurement of the heart rate from the sensor, and configured to process the images and the measurement to calculate a level of fatigue of the operator. The human-machine interaction device is configured to transmit an alert if the calculated level of fatigue is greater than a predefined threshold. The calculator and the human-machine interaction device are at least partially integrated into the case. The camera and the sensor are integrated or apt to be stowed in the case.
G08B 25/01 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
9.
Improved multi-port elementary antenna and associated active electronically scanned array antenna
Centre national de la recherche scientifique (France)
INSTITUT POLYTECHNIQUE DE BORDEAUX (France)
Inventor
Ghiotto, Anthony
Le Gall, Timothée
Varault, Stefan
Louis, Bruno
Abstract
The elementary antenna includes a radiating element, provided with N excitation zones, and a transmit and receive module, including, for each integer i between 1 and N, an i-th chain connected, via an i-th feed line to the i-th excitation zone, the i-th chain including an i-th amplifier. The elementary antenna includes, in the i-th chain, an i-th robustness phase shifter on a first side of the i-th amplifier, between the i-th amplifier and the radiating element, and an i-th compensation phase shifter on a second side of the i-th amplifier, opposite the first side. The sum of phases brought in by the i-th robustness phase shifter and compensation phase shifter is constant whatever the chain considered, and the phase brought in by the i-th robustness phase shifter is strictly different from the phase brought in by the other robustness phase shifters of the other chains of the elementary antenna.
H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
A method for establishing a communication of the IP multimedia subsystem in local routing mode where user data are routed directly at one or more interconnected satellites, without passing through the ground, between two UE terminals connected to a regenerative satellite of a communication network comprising a satellite constellation. A session control function of the IMS core network interrogates a server linked to the satellite constellation with the information relating to the satellite access networks of the two terminals. The server is able to determine, by verification of an inter-satellite link between the regenerative satellites corresponding to the information relating to the satellite access networks of the two terminals, whether local routing of the user plane without passing through the ground is available to directly connect the two terminals are connected by link.
A method for maintaining a secure channel between a client and a server through a wireless network, a secret being shared between the client and the server. the method including while the client is in sleep mode and data must be transmitted from the client to the server, wake-up of the client and initiating, by the client, a procedure for restoring the secure channel by transmitting to the server a change of state wake-up message, protected by using the secret, and while the client is in sleep mode and that data must be transmitted from the server to the client, wake-up of the client by the server by means of the transmission of a paging message and launching by the client, the restoring procedure of the secure channel by transmitting to the server, a change of state wake-up message using the secret.
The present invention relates to a method for enriching a structured database intended to assist a pilot of an aircraft in decision-making. The method comprises the following steps:
obtaining an initial structured database, called the initial structured base, comprising a plurality of objects,
determination of at least two indicators from the group of indicators consisting of: a frequency indicator, an interconnection indicator, a relevance indicator, and a precision indicator,
comparison of each determined indicator with at least one respective threshold,
if the result of the comparison is negative, sending an enrichment command of the initial structured database to form an enriched structured database, called enriched structured base, comprising a larger number of objects than the initial structured base.
An input/output control system for at least one avionics application including at least two computing platforms implemented using similar hardware and software resources, each platform including a primary stage configured to acquire analogue signals, an intermediate stage configured to digitally process digital signals, a final stage configured to make digital data available to the avionics application, a hardware monitoring module configured to implement an operating test by injecting predetermined test signals into the primary stage, and a software monitoring module configured to acquire digital data corresponding to the injected test signals, and to check that they correspond to predetermined values.
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
B64F 5/60 - Testing or inspecting aircraft components or systems
A centralized satellite quantum cryptographic key pairing method for ground stations includes a quantum key distribution step, wherein, for each station, a cryptographic key is shared through quantum communication between the station and a satellite; a centralized key storage step, wherein each key is first transmitted in encrypted form from the satellite to a terrestrial central key management unit (UC), and then stored by this unit (UC); and a pairing step between a first and a second of the stations, wherein, upon receipt of a communication request, the unit (UC) transmits the key linked to the second station, in encrypted form, to the first station.
A method for locating a GNSS signal-jamming source, including setting two antennas in rotation about a common axis of rotation so as to form N different respective positions corresponding to various angles of rotation, in each of the N positions, using each antenna to acquire a GNSS signal including a payload signal and a jamming signal, computing a phase offset between the acquired jamming signals, and determining a direction of the jamming source using a maximum value of the N computed phase shifts.
G01S 3/48 - Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
G01S 3/04 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves Details
An input/output control system for at least one avionics application including at least two computing platforms implemented using similar hardware and software resources, each computing platform including a primary stage configured to acquire analogue signals and convert them into digital signals, an intermediate stage configured to digitally process the digital signals to form digital data, and a final stage configured to make the digital data available to the avionics application, the intermediate stage being further configured to encapsulate each processed digital data item, each computing platform further including a verification application configured to verify the encapsulation of each data item received.
A method for monitoring a Half Duplex Ethernet network including a plurality of nodes and having a PLCA operating mode and a CSMA/CD operating mode, each node being defined by an identifier. The method includes retrieving an internal state of the node describing the operating mode of the network, transmitting the internal state to all other nodes, analyzing the external states received corresponding to the internal states sent by other nodes, and based on the analysis, reconfiguring the node or conserving the current configuration thereof.
A method for establishing, for descent and approach phases of an aircraft, an efficient energy-dissipation strategy is provided, taking the form of a computation of an optimized descent and approach path, which aims to maximize employment of the idle regime while minimizing use of air brakes via more efficient deceleration.
Centre national de la recherche scientifique (France)
Institut Polytechnique de Bordeaux (France)
UNIVERSITÉ DE BORDEAUX (France)
Inventor
Ghiotto, Anthony
Varault, Stefan
Veyrac, Yoan
Lourenco Martins, Valentin
Abstract
An array antenna including a plurality of radiating elements fed in series and arranged along a vertical axis, operates under horizontal polarization, by connecting two successive radiating elements along the vertical axis by a pair of differential lines, each line having a length equal to the wavelength guided in the line, one end of a line being connected to a horizontal edge of a radiating element and the other end of the line being connected to the horizontal edge facing the other radiating element, a single radiating element being provided with at least one horizontal excitation point, positioned outside the vertical axis, preferably in proximity to a vertical edge of the single radiating element.
A system for interacting at a distance with a pointing means of an HMI of a viewing system of an aircraft cockpit, including three layers including an upper layer in the shape of an inverted V, which itself acts as a handrest knob, including a module, with a touch-sensitive flat surface, configured to interact with the pointing means arranged on a front portion of the inverted V; at least one physical interactor configured to interact with the HMI arranged on a rear portion of the inverted V; and two lateral edges set back from the upper surface of the upper layer, each provided with at least one physical interactor.
B64D 43/00 - Arrangements or adaptations of instruments
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/039 - Accessories therefor, e.g. mouse pads
A method for improving a shooting training with a shooting device on a target, the shooting device including a laser having an initial position and the target comprising one or more laser receivers, the method including acquiring image or video data relating to the target; analyzing the acquired image or video data of the target to determine pixels corresponding to at least one part of the target; determining a distance between the shooting device and the target based on the analysis and determining a position of one of the laser receivers; shooting a real or virtual projectile with the shooting device; determining the impact zone of the projectile on the target by calculating a trajectory from the shooting device to the target based on the distance determination and ballistic data from the projectile; deflecting the laser from the initial position to a new position based on the determined position of the of the one laser receiver; and transmitting with the laser at the new position to the laser receiver data relating to the determined impact zone and relating to the shot on the target.
A medical imaging system including a support having a frame and at least two wheels assembled directly or indirectly to the frame so as to allow the support to be moved; a medical imaging device; a control device configured to control the medical imaging device; and an electric power supply device configured to supply electrical energy to the medical imaging device and/or the control device, the medical imaging device, the control device and the electric power supply device each being configured to be removably assembled to the support.
The present invention relates to a method for decrypting a secret encrypted by a QC-MDPC mechanism, the decryption method being implemented by the receiver (14) and comprising the reception of a syndrome polynomial derived from the secret, the generation of random integers, the application of respective operations on the first and second sparse polynomials of the private key, the application of a third operation on the syndrome polynomial, the search for modified error polynomials such as the linear combination of modified error polynomials gives the modified syndrome polynomial, and the deduction of the shared secret by application of a respective operation on the first and second modified error polynomials, the five operations depending on the generated random integers and keeping the weight of the polynomial on which the operation is applied.
A method is provided of display of a dot-matrix digital image including controlling groups of three coloured elements, each element being of a different colour, each group forming one elementary element of a colour image, and carrying out anti-aliasing processing of the display. Each coloured element is a plano-convex assembly of a plurality of light-emitting diodes, each of the elements in a group being covered by a plate that is common to the diodes of the element and that scatters coloured light associated with the element, the anti-aliasing processing being carried out by applying commands for various light intensities to the light-emitting diodes inside a given element.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
25.
METHOD OF CONTROLLING THE OBSERVATION OF A SPACE USING A TRACKING SYSTEM AND ASSOCIATED DEVICE
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Atienza, Nicolas
Labreuche, Christophe
Sebag, Martine
Cohen, Johanne
Honore, Nicolas
Abstract
A method of monitoring observation uses a space tracking system. The method is implemented by a control module which is part of the tracking system. The method includes: a step of thumbnail training, each thumbnail gathering a set of data accessible to the tracking system over a respective zone and a predefined time interval, the zones associated with each thumbnail covering the space observed by the tracking system and the set of predefined time intervals covering an observation time interval, the data including at least: a step of monitoring the observation using a space tracking system corresponding to at least one thumbnail by applying a control function to all the data of the at least one thumbnail.
A production method for producing an anode for a cold cathode X-ray source, including the following steps: producing an element referred to as target from a first material adapted to generating X-rays from the absorption of an electron beam, the first material having a first thermal expansion coefficient Ce,1(Tu) at a predetermined temperature Tu of use of the anode in the X-ray source, producing an element referred to as target support from a second material having a second thermal expansion coefficient Ce,2(Tu) at the predetermined temperature Tu, joining the target to the target support by hard soldering using a solder material at a soldering temperature higher than the predetermined temperature Tu and higher than a melting point of the solder material, so as to form a film of solder interposed between the target and the target support.
A computer-implemented method includes receiving a series of measurements of distances generated, from a plurality of different positions each time, by a detection system operating by: transmitting a wave; receiving waves reflected by the environment; determining the distances by calculating differences between the wave transmission time and the time of reception of the reflected waves; generating, based on the series of distance measurements, a synthetic image representing the distances from the environment relative to a reference position; for each focal distance of a plurality of focal distances: generating, from the series of distance measurements or the synthetic image, a synthetic image that is focused at the focal distance, by applying compensation for penumbra effects; and detecting the presence of an object in the focused synthetic image.
A system for monitoring the operation of a computer including hardware blocks including a plurality of cores, a set of task schedulers capable of scheduling the execution of a task by assigning it an identifier, and of storing the identifier, the monitoring system including a collection unit capable of counting the number of queries of each hardware block during the execution of a task, of reading the identifier of the executed task in a first memory storage unit, of forming an association between a query and the corresponding identifier, and of storing each association formed on a second memory storage unit, and a monitoring unit capable of determining the state of operation (operating status) of the computer by using the stored associations.
A method for analysing the change between two frames of an uncompressed video stream, including estimating a shift and statistical deviation between all or part of the frames in at least one direction, and using the one or more computed shifts and statistical deviations to detect a significant change between the frames. A method for coding an uncompressed video stream, wherein information relating to a significant change is used to modify the uncompressed video stream or coding parameters of the uncompressed video stream, in order to avoid peaks in rate. A device implementing either of the methods, to a complete transmitting system, to a computer program product comprising program instructions allowing the steps of the methods to be executed, and to a recording medium comprising the computer program product.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
G06V 10/75 - Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video featuresCoarse-fine approaches, e.g. multi-scale approachesImage or video pattern matchingProximity measures in feature spaces using context analysisSelection of dictionaries
H04N 19/177 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
30.
METHOD FOR ASSISTING WITH FIRING ON A MOVING TARGET, AND ASSOCIATED DEVICE AND ASSEMBLY
A method for assisting with firing at a moving target, includes the steps of: displaying in a targeting window, superimposed onto the direct view of a scene, a main indicator creating a firing axis of a firing system; measuring a distance between the main indicator and a target in the scene; determining the speed of movement of the target; determining a targeting position, in the targeting window, anticipating an angular movement of the target relative to the firing axis, as a function of the speed of movement of the target, the speed of a projectile and the measured distance; and displaying, in the targeting window, a secondary indicator at the determined targeting position.
The present invention relates to an incremental magnetic encoder (10) defining an encoder axis (X) and comprising a fixed body and a movable body.
The present invention relates to an incremental magnetic encoder (10) defining an encoder axis (X) and comprising a fixed body and a movable body.
One of the bodies, called the first body (21), comprises a first support (33) comprising N arranged magnetic elements.
The present invention relates to an incremental magnetic encoder (10) defining an encoder axis (X) and comprising a fixed body and a movable body.
One of the bodies, called the first body (21), comprises a first support (33) comprising N arranged magnetic elements.
The other body, called second body (22), comprises:
a second support (41) comprising K*M magnetic elements arranged inhomogeneously along the direction of encoding (C1, C2) opposite the N magnetic elements, the K*M magnetic elements forming M groups of K magnetic elements, initial elements of the M different groups being spaced apart along the direction of encoding (C1, C2) by a homogeneous pitch P1, the K−1 magnetic elements of each group being spaced apart from the initial magnetic element of said group by variable pitches Pi;
at least one magnetic detector arranged opposite the first support (33).
G01D 5/245 - Mechanical means for transferring the output of a sensing memberMeans 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 convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans 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 convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
32.
Predicting monitoring device of the operation of a unit for estimating a physical value and associated system and methods
A predictive monitoring device for operation of a unit for estimating a physical quantity receiving data acquired by a detection unit and applying an estimation model to the acquired data, the predictive monitoring device including a generation unit for test data, applying a transformation to the acquired data, a computation unit estimating a value of the physical quantity by applying the model to the test data, an analysis unit for the test value, performing a comparison between the test value and an expected value according to a criterion for evaluating the performance of the model, and a warning unit issuing an alert according to the result of the comparison.
Method and electronic device for managing the execution of software application services on an avionics platform, related computer program and avionics system
A method of managing the execution of software services on an avionics platform including resources for the execution of the services is implemented by an electronic device and includes acquisition of contextual data for a group of software services to be executed, the contextual data including, for each software service: a maximum number of resources used by the service, an operating requirement of the service equal to resistance to breakdown/s or non-resistance to breakdown/s, and, if the operating requirement of the service is equal to resistance to breakdown/s, a number of breakdown/s the service should withstand, computation, from the acquired contextual data, of a context for the group of software services, and launching of the execution of software service/s of the group according to a set of distribution rule/s of the services and depending upon the computed context.
An aircraft piloting assistance method, including the following steps implemented by an electronic piloting assistance device: detecting an event, with said event being an event for identifying a note class from among a set of predefined events for identifying N note classes, with N being an integer≥2; following the detecting step, triggering the acquisition of a voice signal currently being transmitted or received by the pilot and associated with the note class, and processing the acquired voice signal, with the processing being a function of the note class and comprising at least the conversion of the voice signal into text and the generation of a note as a function of the text.
An atom chip (Ach) for an ultra-cold atom sensor, includes a measurement plane XY of the atom chip comprising: a plurality of first pairs of waveguides, a plurality of second pairs of waveguides, the projections in the plane XY of the first pair furthest from X and of the second pair furthest from Y′ forming, at their intersection, a parallelogram with a centre O, a first conductive wire having a projection in the plane XY along X or Y′ or a diagonal of the parallelogram, the first conductive wire being designed to be flowed through by a DC current, the first wire having a flaring so as to take the form of a surface whose projection in the plane XY incorporates the parallelogram and exhibits symmetry about the point O.
A method for processing data generated by an event management device determining mission adaptation suggestions from current or future mission data sources, the method comprising the following steps of: receiving at least one suggestion comprising an item of information and a datum related to its construction; generating a notification for each received suggestion; storing the notification in a notifications memory. The method further comprises at least one iteration of the following steps: applying a classification operation to the notification; applying processing to the notification as a function of the classification operation, the processing comprising a step of rendering the notification on a Human-Machine interface in response to a display condition, the rendering using a display form and display dynamics.
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY (USA)
INRIA INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE (France)
Inventor
Anghelone, David
Faure, Philippe
Chen, Cunjian
Ross, Arun
Dantcheva, Antitza
Abstract
Provided is a cross-spectral face recognition learning method based on a set of associated face images, a thermal image and a visual image, of a plurality of persons. The thermal image is coded in two different ways. A style encoder provides a style code of the thermal image. An identity encoder provides an identity code of the thermal image. The visual image is coded in a similar way with a style encoder providing a style code and with an identity encoder providing an identity code. The two face images of the same person share in the identity features a common part in the respective identity codes, noted as common identity code, whereas the style codes for the two images comprise features only relevant two the specific style, i.e. either thermal or visual, of the image. Other embodiments disclosed.
H04N 23/11 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
H04N 23/23 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from infrared radiation only from thermal infrared radiation
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY (USA)
INRIA (France)
Inventor
Anghelone, David
Faure, Philippe
Chen, Cunjian
Dantcheva, Antitza
Strizhkova, Valeriya
Abstract
Provided is a thermal face and landmark detection method for providing a ground truth reference database, capturing a thermal image comprising at least one face, detecting a face in the thermal image, cropping the thermal image creating a cropped face thermal image, applying a Gaussian filters method to the cropped face thermal image creating an improved cropped face thermal image and applying a landmark detector to the improved cropped face thermal image creating an landmarked cropped face thermal image. Other embodiments disclosed.
An optical window including on its surface two electrodes connected to a voltage generator in which at least one of the electrodes is a doped diamond electrode, the diamond being doped with an element that makes the diamond conductive.
H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
G01P 5/26 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
40.
METHOD FOR MANAGING ACCESS BY A THREAD TO A SLAVE DEVICE
The present disclosure relates to a data processing system comprising a bus interconnect structure, a slave device coupled to the bus interconnect structure, a slave protection unit coupled to the bus interconnect structure, a plurality of master devices coupled to the bus interconnect structure, each master device of said plurality of master devices having a master identifier, wherein a master device is configured to run concurrently different threads, and, when a thread run by said master device requests access to said slave device, for issuing on the bus interconnect structure an access request comprising its master identifier and a thread identifier assigned to said thread.
A sight for a shooting system, including a transparent screen able to display an image, and a catadioptric optical device able to collimate an incident light beam coming from the image displayed on the transparent screen into a sighting window superimposed on the direct view of a scene.
An airborne measurement system borne by an aircraft, and comprising a plurality of conventional navigational-aid sensors generating data referred to as conventional data, at least one SPAD camera comprising a single-photon avalanche diode matrix-array detector and generating SPAD data comprising a first image and a second image of a scene to be observed, the system comprising a processing unit connected to the conventional sensors and to the at least one SPAD camera, the processing unit being adapted to: choose, in accordance with a predetermined criterion and on the basis of the conventional data and/or of the SPAD data, a use of the conventional data which is referred to as the conventional mode, or a use of the SPAD data, and possibly comprising conventional data, which is referred to as the SPAD mode, and for the conventional mode, generate measurement information referred to as conventional information on the basis of conventional data, for the SPAD mode: determine, on the basis of the first image and of the second image, an error band for the measurement of the horizontal position of the aircraft, called the protection radius, generate measurement information referred to as reinforced information on the basis of at least SPAD data.
An accelerometer-type interferometric ultracold atom inertial sensor including an atom chip including at least one set of a first and a second elementary sensor; an atom generation device; a generator for generating a uniform magnetic field; a power supply device; with the arrangement of the group of one or more conductive elements of each sensor and the sequence being further configured so that the trajectories associated with the first elementary sensor and the trajectories associated with the second elementary sensor are parallel to each other, are of the same length, are covered simultaneously and so that the departure direction of the first clouds, from the first and the second elementary sensor respectively, are opposite; the sensor further comprising a detection system.
An interferometric inertial ultracold-atom sensor of gyrometer type, including an atom chip comprising at least one set of a first and second elementary sensor, a power-supplying device, the magnetic-field generator and the power-supplying device being configured to apply the magnetic field, the DC currents and the microwave signals in a predetermined sequence, the arrangement of the group of one or more conductive elements of each sensor and the sequence further being configured so that the path associated with the first elementary sensor and the path associated with the second elementary sensor are identical and traced simultaneously and in inverse directions by the clouds of ultracold atoms associated with a given internal state, the sensor further comprising a detecting system.
A platform for executing avionics applications including a shared memory space, a plurality of avionics partitions and an IOTC server for access to shared resources. The shared memory space is configured to perform any data sharing between a producer partition and a predetermined group of N data consuming partitions exclusively via a data sharing structure allocated in the shared memory space. The data sharing structure includes at least two saving addresses which may be used by the data producing partition for writing two different data.
The present invention relates to a method for manufacturing a system in package having several layers, including for each current layer realization of a dielectric substrate by an additive manufacturing technique, deposition of an adhesive in receiving zones, deposition of electronic components in the corresponding receiving zones, deposition of interconnection elements between the electronic components, creation of at least one interconnection with an adjacent layer, encapsulation of the current layer with filler material, the filler material forming an outer surface, and preparation of the outer surface for receiving the next layer.
H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
H01L 23/00 - Details of semiconductor or other solid state devices
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
H01L 25/10 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices having separate containers
47.
ELECTRONIC DISPLAY DEVICE OF EMISSIVE PIXEL SCREEN TYPE, FOR AN AIRCRAFT COCKPIT
A screen based on emissive pixels for an aircraft cockpit, including a flat substrate bearing a plurality of electroluminescent diodes in the same emission spectrum and wherein each pixel is made up of at least one compact group of several of the electroluminescent diodes. In a pixel of the screen, the electroluminescent diodes of one of the groups are covered with a layer forming a cover common to the electroluminescent diodes of the group and relaying a diffuse light, with or without photoluminescence, in response to the emission of light by the electroluminescent diodes of the group.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
A display system in an aircraft cockpit, including a plurality of display surfaces, a processing module configured to host applications capable of generating images to be displayed on one or more display surfaces, a graphic generation module configured to generate a composite graphic flow including images from one or more applications and intended to be displayed on different display surfaces, wherein each display surface is configured to receive the composite graphic flow and to extract images for display on that display surface.
A satellite platform includes an array of N antennas (Ai, i=1 to 6) and a beamformer, each antenna comprising the satellite casing and a respective metal strand (i=1 to 6) extending in the plane of the Earth face of the satellite, such that if N>2, the axis of the nth strand on the Earth face of the satellite is obtained by rotation of +2π/N, n=2 to N, of the axis of the (n-1)th strand; the beamformer calculates, as a function of a target directivity and polarization to be implemented by the antenna array, an attenuation and a phase-shift selectively for each antenna and applies, to the electrical signal intended for each antenna, the attenuation and phase-shift calculated for the antenna and delivers the duly adapted signal to the antenna to the associated connector.
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
H01Q 1/28 - Adaptation for use in or on aircraft, missiles, satellites, or balloons
H01Q 3/34 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by electrical means
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
50.
Aircraft piloting assistance method, and associated electronic piloting assistance device and assistance system
A method for assisting the piloting of an aircraft, including acquiring an aircraft piloting model and a reward function including a piloting constraint, and application, to the piloting model, of a reinforcement learning algorithm to obtain state variables and piloting commands. The method also includes formation of data group(s) from the state variables and the commands. For the or each group, the method includes assignment of at least one aircraft state to the state variables and at least one piloting action to the commands, to generate a piloting rule including the state(s) and piloting action(s). The method also includes transmission of at least one piloting rule to a display device for display to a pilot of the aircraft.
An interaction system in the cockpit of an aircraft for controlling at least one avionics system with setting values, including a setting medium configured to generate a setting signal corresponding to a setting value selected by an operator following a first action, and a validation signal corresponding to a validation of the selected setting value following a second action, a display module configured to display the selected setting value and to generate a feedback signal including a graphic signature of the displayed setting value, and a processing module configured to receive each feedback signal and each validation signal, to detect each modification in the setting value and to verify that each detected modification corresponds to a validation signal.
A display device including elementary components for composing an image. Each component is made up of a compact assembly of light-emitting diodes, one group of diodes comprising a red diode and one or more other diodes which together have an emission spectrum comprising, during nominal operation, less red than that of the red diode, the group carrying out with the other elementary components a colour display for an operator to the naked eye. The assembly further comprises an additional diode which has, during nominal operation, with respect to the red diode, a wavelength that is less close to red, and with respect to the common spectrum a supplementary emission spectrum, for a colour display compatible with the use by an operator and in the vicinity of the display device of a night-vision tool sensitive to the near-infrared.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
A digital radio altimeter validation system, provided with an input/output RF interface and characterized by an incompressible latency τ, configured to receive a linear chirp (FMCW) signal s(t) with linearly frequency-modulated continuous-wave f(t)=αt+β and with quadratic phase s(t)=e2jπ(αt2/2+βt+γ), that can also be written in complex form in cartesian coordinates I(t)+jQ(t), t representing the time, and configured to retransmit it according to a configurable delay and deliver to the radio altimeter a signal I′(t)+jQ′(t) that is exactly frequency-compensated for the latency τ by a linear extrapolation of its phase by calculation of difference between the current phase and the digitally delayed phase of the value to be compensated τ.
A method for assisting the guidance of a surface vessel intended to tow an underwater device, the method includes a) discretizing the geographical sector around the surface vessel into a plurality of zones, with each zone being classified according to a degree of accessibility from among a set of degrees of accessibility; b) computing a set of candidate trajectories of the surface vessel in the geographical sector, with each candidate trajectory corresponding to a different gyration rate from the current position of the surface vessel; c) classifying each candidate trajectory as a function of the degree of accessibility of the zone of the geographical sector traversed by the possible trajectory, and as a function of the feasibility of one or more predefined actions on the candidate trajectory; d) generating a display of the zones and of the candidate trajectories on a human-machine interface, as a function of their classification and/or a transmission of instructions relating to the actions.
A system for maneuvering a marine craft, the system being intended to be placed at the edge of a ship, the system comprising a ramp positioned on the ship, the ramp comprising a first end, a carriage designed to move along the ramp, a fender body connected to the carriage and designed to press against the ramp, the fender body being able to rotate with respect to the carriage. The system comprising at least one fender arm comprising a second device for attachment to the marine craft, the fender arm being able to rotate through a limited angular range with respect to the fender body.
A method to store data persistently by a payload of an owner, the method including establishing a secure channel between the owner and the software payload itself when running into a hardware-based trusted executed environment, HW TEE, at the instance of a cloud service provider; generating, by the owner, a payload identifier using information shared from the payload during the establishment of the secure channel; generating, by the owner, a key initiator and persistently storing at the owner side the key initiator associated to the payload identifier; sending, by the owner, the payload identifier and the key initiator to the payload; using the key initiator, by the payload, to encrypt data; and persistently storing, by the payload, the encrypted data and the payload identifier.
G06F 21/53 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity, buffer overflow or preventing unwanted data erasure by executing in a restricted environment, e.g. sandbox or secure virtual machine
A flight management system of an aircraft includes a first non-critical or open world module for creating an enhanced enriched flight plan, the first module being configured to create the enhanced enriched flight plan iteratively by the following steps: initialisation of pseudo-constraints; and iterative enhancement of the choice of pseudo-constraints, until an objective of enhancement or of absence of enhancement with respect to the last best choice of pseudo-constraints is reached, based on at least one optimisation criterion and on at least one parameter representative of the environment of the flight of the aircraft; the second critical or flight management avionics module certified to calculate a path, comprising at least one critical computer and/or at least one critical piece of software for calculating and delivering as output a secured path, based on the enhanced enriched flight plan supplied by the first module.
Method to establish a secure channel between the party of a software payload and the software payload itself when running into a hardware-based trusted execution environment, HW TEE, at the instance of a cloud service provider, including sending, by the party, a nonce to the software payload; generating, by the software payload, a payload key pair: public key and private key; mixing, by the software payload, the payload public key with the nonce; computing, by the HW TEE, an attestation using this nonce mixed with the payload public key; sending, by the software payload, the attestation, and the payload public key to the party; verifying, by the party, the attestation using the sent nonce mixed with the received payload public key; generating, by the software payload and the party, a session key; and establishing a secure channel between the party and the software payload running into the HW TEE.
H04L 9/14 - Arrangements for secret or secure communicationsNetwork security protocols using a plurality of keys or algorithms
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
An ultracold-atom sensor includes an atom chip (ACh) comprising a first and a second waveguide (CPWX1, CPWX2) that are suitable for propagating microwave waves and DC currents, at least a first conductive wire and a second conductive wire (WId, WId1) the respective projections of which are secant at a point defining a first crossing point (C1), an atom generation device (ACG), a power supply device (PSD) comprising at least one microwave generator (GMW) and at least one DC current generator (GDC), the power supply device being configured to apply, to the first and second waveguides and to spatially separate the two traps, the microwave signals in order to initiate the spatial separation, and then the CMW electric currents instead of the microwave signals in order to maintain the spatial separation.
G01P 15/08 - Measuring accelerationMeasuring decelerationMeasuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values
G01C 19/56 - Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
60.
Obstacle detection method implemented by an aircraft embedded system and associated obstacle detection system
The present invention relates to an obstacle detection method implemented by an obstacle detection system on-board an aircraft, the aircraft including at least one on-board camera having an associated field of view configured to acquire full-field digital images. The method comprises the steps of:
(a)—reception (50) of at least one full-field digital image captured by said at least one on-board camera,
b)—determination (54) of a spatial position of a zone of interest of predetermined size in said full-field digital image, and extraction (56) of said zone of interest from said full-field digital image,
c)—implementation of an obstacle detection module (58) on said extracted zone of interest, implementing a neural network previously trained to detect and classify obstacles in images having said predetermined size, each obstacle detected being located in said zone of interest.
G06V 20/17 - Terrestrial scenes taken from planes or by drones
G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
61.
SPACE SYSTEM AND METHOD FOR WIRELESS COMMUNICATION BY TRANSMITTING RADIOFREQUENCY AND OPTICAL SIGNALS ON A RETURN CHANNEL
A communication satellite configured to transmit an optical signal, through an optical transmission channel, in response to the reception of at least one modulated and encoded radiofrequency signal. The satellite comprises: a unit for applying soft demodulation to the at least one received radiofrequency signal, and providing N intermediate demodulated data frames B1-n, each frame B1-n comprising a set of digitized soft values; a unit for applying an error correction code to the frames B1-n, and providing N encoded intermediate demodulated data frames B2-n; a unit for interleaving the N frames B2-n, and providing M interleaved data frames I2-m; and a unit for applying, to each frame I2-m, an optical carrier modulation so as to form the optical signal.
An avionics communication gateway including a module for acquiring at least one data message, each message being according to a communication protocol and including a header and a payload including a plurality of successive fields, a module for filtering each acquired message, validating the message if it complies with a set of filter criteria, and blocking it otherwise, and a module for transmitting, to a corresponding recipient, each validated message. The filter module includes a unit for generating a main table for each message, representing a tree of the fields of the payload of the message according to a set of levels related to the communication protocol, and a unit for calculating, for each message, a dictionary table and at least one auxiliary table from among first, second and third auxiliary tables, the filter module using the at least one auxiliary table for filtering the message.
An iris diaphragm having an optical axis, includes a fixed ring, a mobile ring designed to rotate about the optical axis with respect to the fixed ring and comprising a plurality n of guidance guideways, a plurality of n blades defining an elliptical diaphragm aperture having a major axis (a) and a minor axis (b), each blade being able to pivot with respect to the fixed ring about a respective axis and comprising a respective mobile pin able to move in one of the respective guidance guideways by bearing along the respective guidance guideway, a control ring designed to rotate about the optical axis with respect to the fixed ring and comprising a control guideway wherein one of the mobile pins, referred to as control pin, is able to move by bearing along the control guideway, a shape of each guidance guideway on which the respective mobile pin bears being designed so that a rotation of the control ring about the optical axis gives rise, via the control pin, to a rotation of the mobile ring and a movement of the mobile pins in the guidance guideways so as to modify an area of the elliptical aperture without modifying an orientation of the major axis and of the minor axis and without modifying a ratio of the major axis to the minor axis.
The present invention relates to a method for estimating an environmental footprint of a flight of an aircraft. The method is implemented by a decentralized electronic estimating system including at least a first entity, a second entity and a third entity, the second entity being distinct from the first entity and the third entity. The method includes receipt, by the second entity, from the first entity, at least one datum relative to the aircraft or its environment during the flight. The method also includes association, by the second entity, of a measurement uncertainty with each datum received by the second entity. The method further includes estimation, by the third entity, of an environmental indicator representative of the environmental footprint, on the basis of at least one datum and of the uncertainty associated with the at least one datum.
A method for manufacturing a device including a diamond crystal, the method including making available a substrate, growing a crystalline diamond layer on the substrate, the layer having a crystal lattice, the layer including at least a first set of XV centers in the crystal lattice, each XV center having a quantification axis, a main direction being defined for the first set, the quantification axes of the XV centers of the first set being parallel to the main direction, the normal direction being distinct from the main direction of the first set, removing a first part of the diamond layer in order to reveal a first face perpendicular to the main direction of the first set, and removing of a second part of the diamond layer in order to reveal a second face perpendicular to the first face.
A method for generating a secure secret key, includes the following steps: A. receiving, in a communication station referred to as the transmitting station, a first secret key by way of a quantum encryption channel via satellite, the first secret key also being transmitted to at least one other communication station by way of the quantum encryption channel; B. generating, in the transmitting station, a second secret key using a trusted random number generator; C. generating an encrypted secret key using the first secret key and the second secret key by the one-time pad method; D. transmitting the encrypted secret key from the transmitting station to the one or more other communication stations.
An iris diaphragm having an optical axis, includes a fixed ring, a plurality of [Formula (I)] blades defining a diaphragm aperture of predetermined shape, the blades being able to move in a plane perpendicular to the optical axis with respect to the fixed ring, each blade comprising a control pin, a control ring designed to rotate about the optical axis with respect to the fixed ring and comprising m control guideways, each control pin being able to move along a respective one of the control guideways by bearing along the respective control guideway, a rotation of the control ring about the optical axis giving rise, via the movement of the control pins in the control guideways, to the movement of the blades with respect to the fixed ring so as to modify the area of the aperture while maintaining the predetermined aperture shape, without causing a rotation of the predetermined shape with respect to the fixed ring.
An optical signal generation device for quantum key exchange, includes a photon source generating at least one pulse stream, an ADC transducer converting the photons of a pulse stream into a random binary string, a quantum state modulator putting the photons of the pulses into a number and quantum state defined by a control word in order to generate the optical signal from one of the pulse streams, digital computing means: generating at least one random sequence having a given probability distribution and rate, based on the random binary string, generating the control word in accordance with the key exchange protocol based on said at least one random sequence. A payload for a satellite, comprising such an optical signal generation device is also provided.
A method for managing speed constraints of a flight plan of an aircraft, the method includes the following steps: identifying a current flight phase, determining CAS speed profile, the speed profile establishing a behavior of the aircraft with respect to a speed setpoint, determining a Mach speed profile, the Mach speed profile establishing a behavior of the aircraft with respect to a Mach setpoint, the Mach setpoint being a speed setpoint transcribed into an equivalent Mach number, determining a Cross-Over altitude, the Cross-Over altitude being an altitude of transition from an automatic control of the aircraft according to the CAS speed profile to an automatic control according to the Mach speed profile, determining an end-of-applicability criterion of the speed profile and of the Mach speed profile.
A detection system includes a phased array antenna having unitary radiating elements, the system being suitable for, in each cycle, successively directing, by way of the successive application of a first and a second determined phase law to the electrical signals for supplying power to the array antenna, the antenna radiation towards a first target area (Z1), then a second target area (Z2), which is separate from the first target area (Z1), and determining an image of each target area (Z1) on the basis of the echoes received from each of the first and second target areas.
Avionics system includes a bootstrap package including system partitions, and a primary configuration table, of a first type with hardware resource configuration values, a boot automaton launching the bootstrap package, at least one secondary configuration table of a second type with configuration values usable by a set of partitions, tertiary system configuration tables for the set of partitions, of a third type with configuration values used by a respective partition, application partitions, each including an avionics application and a tertiary configuration table, of the third type and containing configuration values of resources used by the respective application partition. The boot automaton checks whether an additional configuration file is present, and launches the additional configuration file including at least one configuration table of the first, second or third type, same being used instead of a table of the same type among the primary, secondary, tertiary system and tertiary application tables.
A computer platform on board an aircraft, that executes a set of application partitions, hosts an operating system and includes: resources; a boot package including a kernel, at least one resource driver, a set of system partitions and at least one resource configuration table, each system partition including at least one operating system service; and a boot controller able to be executed first, following power-up of the platform and configured to launch the boot package. The boot controller verifies whether an additional configuration file is present in the storage memory, and launches, before the boot package, the additional configuration file including at least one resource configuration table, then used instead of a respective table of the same type from among the at least one table of the boot package.
COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES (France)
THALES (France)
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE GRENOBLE ALPES (France)
Inventor
Grezes, Cécile
Vila, Laurent
Attane, Jean-Philippe
Bibes, Manuel
Abstract
An electronic system includes an electronic device having a stack of layers, the stack including a first electrode, a subassembly with electrically controllable remanent states, a two-dimensional electron gas, a magnetic subassembly comprising at least one magnetic layer, and a second electrode having two first contacts and a second contact. The system also includes a writing device writing remanent states by applying an electric field between the two electrodes, and a Hall-effect reading device reading the remanent state by applying a current between the two first contacts and by measuring the voltage between the second contact and a reference potential.
G11C 11/16 - Digital stores characterised by the use of particular electric or magnetic storage elementsStorage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
A device for protecting an electronic equipment item, configured to limit the electric current between an electric power generator and an electronic equipment item consuming electric power. The device includes a control circuit connected to a power circuit, the power circuit including power semiconductors, the power circuit being able to be connected in series between the electric power generator and the electronic equipment item. The control circuit includes event detection modules, a current setpoint variation module, and a control module for controlling the power semiconductors, configured to supply a control signal for limiting the electric current in the power circuit as a function of the current limitation setpoint signal.
Commissariat à l'énergie atomique et aux énergies alternatives (France)
THALES (France)
Centre national de la recherche scientifique (France)
UNIVERSITE GRENOBLE ALPES (France)
Inventor
Attane, Jean-Philippe
Vila, Laurent
Bibes, Manuel
Abstract
The present invention relates to an electronic device comprising:
a first electrode comprising a contact,
a ferroelectric subassembly having a ferroelectric polarization,
a spin polarization subassembly which spin-polarizes an incident current and comprises a layer of ferromagnetic or ferrimagnetic material,
an interfacing subassembly which is arranged between the two subassemblies and converts the spin current into a charge current, the ferroelectric subassembly and the interfacing subassembly having a contact, and
a second electrode which comprises two contacts and delimits the polarization subassembly,
the contact of the first electrode changing the state of polarization by applying a potential difference between this contact and another contact.
G11C 11/16 - Digital stores characterised by the use of particular electric or magnetic storage elementsStorage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
A method for checking an estimated location of a mobile machine receiving geopositioning signals from satellites, k=1 to s; a database storing the geographical coordinates of virtual beacons and the heading of the path segment on which the virtual beacon is located; a location indicating a virtual beacon, estimated to be on the same path segment as the machine, wherein for k=1 to s: the delay, ΔτSk(t,B1), is computed between the geopositioning signal received from and the theoretical geopositioning signal; values hdg and RxB1 are estimated that respect:
A method for checking an estimated location of a mobile machine receiving geopositioning signals from satellites, k=1 to s; a database storing the geographical coordinates of virtual beacons and the heading of the path segment on which the virtual beacon is located; a location indicating a virtual beacon, estimated to be on the same path segment as the machine, wherein for k=1 to s: the delay, ΔτSk(t,B1), is computed between the geopositioning signal received from and the theoretical geopositioning signal; values hdg and RxB1 are estimated that respect:
Δ
τ
S
1
(
t
,
B
1
)
=
1
c
(
cos
(
el
1
)
)
-
1
cos
(
az
1
′
)
RxB
1
+
ε
1
⋮
Δ
τ
S
s
(
t
,
B
1
)
=
1
c
(
cos
(
el
s
)
)
-
1
cos
(
az
s
′
)
RxB
1
+
ε
s
A method for checking an estimated location of a mobile machine receiving geopositioning signals from satellites, k=1 to s; a database storing the geographical coordinates of virtual beacons and the heading of the path segment on which the virtual beacon is located; a location indicating a virtual beacon, estimated to be on the same path segment as the machine, wherein for k=1 to s: the delay, ΔτSk(t,B1), is computed between the geopositioning signal received from and the theoretical geopositioning signal; values hdg and RxB1 are estimated that respect:
Δ
τ
S
1
(
t
,
B
1
)
=
1
c
(
cos
(
el
1
)
)
-
1
cos
(
az
1
′
)
RxB
1
+
ε
1
⋮
Δ
τ
S
s
(
t
,
B
1
)
=
1
c
(
cos
(
el
s
)
)
-
1
cos
(
az
s
′
)
RxB
1
+
ε
s
the location being identified as unreliable depending on comparison of the estimated hdg with the stored value of the heading of the path segment of the beacon.
G01S 19/07 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
G01S 19/10 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
77.
Neural network digital signature encoding method, device and corresponding computer program
A method for encoding a digital signature of a neural network, implemented by an electronic device, the neural network being stored within a data structure including blocks of parameters. The method includes, for a current block of parameters including at least M parameters representing real numbers: an operation of acquiring a signature binary image from the digital signature including a set of bits extracted from parameters of the current block of parameters, and an operation of combining the signature binary image with a reference binary image delivering a coded binary image.
A method of digitally watermarking a neural network, implemented by an electronic device, the neural network being stored within a data structure including blocks of parameters. The method includes, for a current parameter block consisting of at least N parameters representing real numbers, obtaining a message including N bits, at least N iterations of a parameter modification operation within the current block, including obtaining a current parameter, from among the at least N parameters of the current parameter block, and updating the value of a predetermined index bit of the current parameter as a function of a bit in the message.
A method for learning a prediction algorithm, the learning being implemented by a machine learning technique, the method including reception of a current set of learning data, reception of an invariance property of the prediction of the algorithm with respect to the inputs according to an initial symmetry group endowed with an initial probability law, determination of a subgroup of the initial group endowed with a subgroup probability law and intended to apply transformations to the current set, according to an optimization technique using the current set, the initial group and the initial law under an optimization constraint deduced from predetermined constraints, generation of data using the determined subgroup, the law of the subgroup and the whole current set, and implementation of a learning of the algorithm using the generated data.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
GLOPHOTONICS (France)
Inventor
Benabid, Abdelfatah
Debord, Benoît
Beaudou, Benoît
Feugnet, Gilles
Morbieu, Bertrand
Abstract
A device for coupling optical fibers, includes a first coupling-inhibited hollow-core optical fiber comprising a first microstructured cladding comprising a plurality of first confining tubular features distributed in a ring and encircling, at least partially, a first core so as to confine at least radiation at a wavelength λop to the first core, a second coupling-inhibited hollow-core optical fiber comprising a second microstructured cladding comprising a plurality of second confining tubular features distributed in a ring and encircling, at least partially, a second core so as to confine the light radiation to the second core, a coupling element arranged between the first and second cores, the coupling element comprising at least one coupling tubular feature comprised at least partially in the first microstructured cladding and/or the second microstructured cladding and having a wall thickness tcp called the coupling thickness and a material index ncp called the coupling index, an arrangement of the coupling element, the coupling thickness tcp and the coupling index ncp being configured so as to create a leakage channel at the wavelength λop allowing the radiation guided by the first optical fiber to be coupled to the second optical fiber and/or the radiation guided by the second optical fiber to be coupled to the first optical fiber.
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
Electronic portion of a CRPA antenna of an anti-jamming device for a GNSS receiver and associated anti-jamming device and method for processing signals
An electronic portion of a CRPA antenna of an anti-jamming device for a GNSS receiver, including M elementary signal inputs, for each input, a bandpass filter bank which is configured to break down each elementary signal received by this input at a frequency Fe, into P sub-bands to obtain P sub-sampled signals at a frequency Fe/P, a calculational component which is configured to apply in parallel anti-jamming processing at the frequency Fe/P to the sub-sampled signals, to obtain a cleaned sub-sampled signal, and a summation component which is configured to receive all the cleaned sub-sampled signals and to form, from these sub-sampled signals a resulting corresponding cleaned signal at the frequency Fe.
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Delga, Alexandre
Espiau De Lamaestre, Roch
Abstract
An optoelectronic device includes at least one pixel comprising: a plurality of optical resonators, each optical resonator comprising a photodetecting structure confined between a first reflective metal layer and a second metal layer; and a connection microstructure that is arranged on a support made of dielectric material and is configured to electrically interconnect the second metal layers of the optical resonators belonging to the same pixel; and a readout integrated circuit arranged on a substrate and assembled with the pixel; the readout circuit comprising a buried readout electrode associated with the pixel and a metal or dielectric outer layer. The assembly comprising at least the first metal layer and the outer layer of the readout integrated circuit is called a planar assembly structure. The second metal layers of the resonators of a pixel are connected to the associated readout electrode by way of a metal via connected to the connection microstructure and passing through the support.
A flight management system for an aircraft, includes a critical first avionics module for trajectory calculation, i.e. a module the integrity level and availability level of which are specified by regulatory standards in force, delivering as output a safe trajectory, based on a flight plan; a second module for trajectory calculation that is less critical than the critical first module, i.e. a module the integrity level and availability level of which are lower than those of the first module, delivering as output an improved trajectory that is less safe than the trajectory delivered by the critical first avionics module, based on a flight plan; a critical avionics module for trajectory verification, configured to validate or invalidate the safety of the less safe improved trajectory; and a critical avionics module for decision-making configured to select a trajectory from the safe trajectory and the less safe trajectory.
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Services de télécommunications; services de télécommunications par fibres optiques; services de fourniture d'accès à internet pour des utilisateurs [fournisseurs de services]; fourniture d'accès et de location d'accès à une base de données informatique; transmission de communications cryptées; fourniture et location d'installations et d'équipement de télécommunication, tous les services précités étant dans les domaines de la défense, de l'aérospatiale, de l'aéronautique, de la sécurité, du transport terrestre, aérien et naval, de la banque et de la finance.
(2) Impression, et développement photographique et cinématographique.
(3) Formation; édition, tous les services précités étant dans les domaines de la défense, de l'aérospatiale, de l'aéronautique, de la sécurité, du transport terrestre, aérien et naval, de la banque de la finance et de l'informatique.
(4) Services scientifiques, technologiques et de recherches; services d'analyses industrielles, de recherches industrielles et de dessin industriel; services de contrôle de qualité et d'authentification; conception et développement d'ordinateurs et de logiciels; conseil en intelligence artificielle; recherche dans le domaine de l'intelligence artificielle; plates-formes pour intelligence artificielle en tant que logiciel-service [SaaS]; fourniture de programmes informatiques d'intelligence artificielle sur des réseaux de données; services des technologies de l'information; services scientifiques et technologiques; tests, authentification et contrôle de la qualité; services de stockage électronique de données électroniques, service de conception, développement, mise à jour, installation, et maintenance de bases de données; services d'assistance technique en matière de matériel informatique et de logiciels; services de cryptage, décryptage et authentification d'informations, de messages et de données; surveillance de systèmes informatiques pour la détection d'accès non autorisés ou d'atteintes à la protection de données; consultation en matière de sécurité informatique; analyse de la menace sur la sécurité informatique pour la protection des données; installation de logiciel de contrôle d'accès en tant que service (ACaaS); hébergement de données; hébergement de blogues; plateforme informatique en tant que service [PaaS]; développement de plateformes informatiques, tous les services précités étant dans les domaines de la défense, de l'aérospatiale, de l'aéronautique, de la sécurité, du transport terrestre, aérien et naval, de la banque et de la finance et de l'informatique.
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Telecommunication services; fiber optic telecommunication services; providing user access to the Internet [service providers]; provision of access and rental of access time to a computer database; transmission of encrypted communications; provision and rental of telecommunication facilities and equipment, all the aforementioned services in the fields of defense, aerospace, aeronautics, security, land, air and naval transportation, banking and finance. Printing, and photographic and cinematographic development. Training; editing, all the aforementioned services in the fields of defense, aerospace, aeronautics, security, land, air and naval transportation, banking, finance and computing. Scientific, technological and research services; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computers and software; advice with respect to artificial intelligence; research in the field of artificial intelligence; platforms for artificial intelligence as SaaS [Software as a Service]; providing artificial-intelligence computer programs on data networks; information technology services; scientific and technological services; quality control, authentication and testing; electronic storage of electronic data, design, development, updating, installation, and maintenance of databases; technical support services with respect to computer hardware and software; encryption, decryption and authentication services for information, messages and data; monitoring of computer systems for the detection of unauthorized access or data protection breaches; consultation with respect to computer security; analyzing computer security threats for data protection; installing access control as a service (ACaaS) software; data hosting; hosting weblogs [blogs]; computer Platform as a Service [PaaS]; developing computer platforms, all the aforementioned services being in the fields of defense, aerospace, aeronautics, security, land, air and naval transportation, banking and finance and computing.
86.
METHOD FOR AUTOMATICALLY GENERATING A SEQUENCE OF NMAX INSTRUCTIONS IN ASSEMBLY LANGUAGE, THE SEQUENCE BEING EXECUTABLE ERROR-FREE BY A MULTI-CORE PROCESSOR
A method for automatically generating a sequence of Nmax instructions in assembly language, the sequence being executable error-free by a multi-core processor, the method comprising steps of: initializing registers of the processor, then selecting a first instruction of the predetermined sequence, optionally at random; and selecting an N+1th instruction among an instruction to read from a memory connected to the cores of the processor by a memory bus, an instruction to write to said memory, and a local instruction using only the registers of the processors, according to rules and to priorities between the rules, the rules using respective differences between statistical-metric values of statistical metrics of a memory access pattern of the sequence of N previous instructions having statistical-metric values, and setpoint values.
An aerodynamic measurement probe intended to measure a local angle of attack of an airflow circulating along the fuselage of an aircraft, the support comprising a circular cover with a central opening which is passed through by the mobile shaft, the outer surface of the cover comprising a frustoconical face exhibiting symmetry of revolution about the longitudinal axis, the cover comprising polyether ether ketone reinforced with glass or carbon fibers, with a thermal conductivity of less than 3 W.m−1·K−1 and being provided with metallic inserts at its fastenings, at least one metallic electrical continuity insert being configured to establish an electrical connection between the inner part of the probe and an interface of the metallic insert disposed under the lower periphery of that part of the metallic insert which is furthest away from the shaft.
This angle-of-attack sensor, in particular for an aircraft, of the type including a sensor body (11) on which a wind vane (12) is mounted movable in rotation by a flow, is characterized in that the wind vane (12) includes at least one deflector (13, 14) extending from the leading edge of this wind vane over at least part of the intrados and/or extrados thereof.
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Quinchard, Grégory
Mismer, Colin
Abstract
A method for fabricating a device includes the following steps: fabricating at least one first microstructure and one second microstructure on the substrate, fabricating a connection microstructure making it possible to electrically connect at least the first microstructure to the second microstructure by fabricating a support made of dielectric material by solidifying, by means of a lithography method, a part of a deposited resin layer and by depositing a first metallic layer on at least a part of the support comprising at least a part linking the first microstructure and the second microstructure.
A method for communication between an air traffic control system and a communication module, the communication method includes a step of determining environmental optimization time slots based on the air traffic absorption capacities of the various flight information regions, the environmental optimization time slots at least partially covering one or more flight information regions, each environmental optimization time slot having an associated efficiency level; a step of negotiation, between the pilot via the communication module and the air traffic control system, to negotiate changes to the flight plan on the basis of the environmental optimization time slots and the environmental optimization levels of the environmental optimization time slots.
Centre national de la recherche scientifique (France)
UNIVERSITE PARIS-SACLAY (France)
Inventor
Grollier, Julie
Martin, Erwann
Querlioz, Damien
Petrisor, Teodora
Abstract
A neuromorphic circuit implementing a spiking neural network and including bidirectional synapses made by a set of memristors arranged in an array, neurons firing spikes at a variable rate and connected to neurons via a synapse, and a neural network training module including, for at least one bidirectional synapse, an estimation unit obtaining an estimation of the time derivative of the spike rate of each neuron, an interconnection having at least two positions between the synapse and each neuron, and a controller sending a control signal to the interconnection after a spike, the signal changing the position of the interconnection, so as to connect the estimation unit and the synapse.
A device and a method implemented by computer, allowing the behavior and the actions of an operator interacting with a complex system to be predicted, based on the observation of his/her behavior in real time and on the instantiation of models of human behavior which are constructed by learning from past data collected for a plurality of operators, the models of human behavior having been learnt by the application of artificial intelligence techniques to cognitive models and to procedural models taking into account parameters of human factors of influence.
A pressure measurement probe for an aircraft, includes a pressure sensor board comprising an electronic board equipped with a pressure sensor provided with an air inlet, the electronic board further comprising at least four fixing points distributed on a circle at regular angular intervals and configured to allow the sensor board to be fixed in the pressure measurement probe in such a way as to have, when the aircraft is on the ground, a pressure sensor air inlet that is directed downward and an angular offset less than or equal to 45° between the axis of the air inlet of the pressure sensor and the vertical, irrespective of the position of the probe on the aircraft.
G01P 5/14 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
94.
Methods for the compression and decompression of a digital terrain model file; associated compressed and decompressed files and associated computer program product
Method for compressing a digital terrain model file including a tile including a matrix of cells, each cell including an elevation value for a geographical point of the terrain, by representing the tile in the form of an initial tree having a plurality of depth levels, each terminal node of the initial tree representing a zone of the tile corresponding to a single cell, pruning the initial tree so as to obtain a pruned tree, encoding the elevation value associated with each of the terminal nodes of the pruned tree to obtain a differential elevation value starting from a reference elevation, and serializing the pruned tree resulting from the encoding to obtain a compressed file indicating the reference elevation, followed by a plurality of sequences, each sequence including a header and a load, indicative of a depth level and a differential elevation value of a terminal node, respectively.
An aeronautical probe that presents a generally profiled shape, is provided with a fixing base and has undulations on at least part of its leading edge.
G01P 5/14 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
A probe for measuring static or parietal pressure includes a pressure sensor module, a mounting plate equipped with air inlets which is intended to be mounted on the skin of an aircraft, and a shut-off means equipped with shut-off fingers which are configured to plug the air inlets of the mounting plate, and an actuator, controlled by a control module, configured to move the shut-off means in a translational movement so as to plug or unplug the air inlets of the mounting plate by the shut-off fingers.
B64D 43/02 - Arrangements or adaptations of instruments for indicating aircraft speed or stalling conditions
G01L 19/00 - 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
97.
Antenna system comprising an antenna and a passive device for angular deflection of a main radiation lobe of the antenna.
An antenna system includes an antenna and a passive device for angular deflection of a main radiation lobe of the antenna, characterized in that the device consists of a lens, said lens having a constant thickness and having a progressive relative permittivity between an inner edge of the lens located on the side of the geometric center of the antenna and an outer edge of the lens located on the side of a periphery of the antenna, the profile of the relative permittivity as a function of distance to the geometrical center of the antenna being adapted such that the lens deflects the main radiation lobe of the antenna by a predefined deflection angle over at least a portion of an operating frequency band of the antenna.
An aerodynamic measurement probe intended to measure a local angle of attack of an air stream flowing along the fuselage of an aircraft, includes a support and a shaft that is able to rotate about a longitudinal axis with respect to the support, the support and the shaft being configured to form between them a gap, passing around an annular tab at the end of the shaft in the support, making it possible to maintain a functional clearance to allow one end of the shaft to pivot freely in the support, and communicating with an impurity discharge circuit, the gap comprising an inner annular groove about the axis of rotation, made in the support, and opening out away from the axis directly onto the end part of the annular tab, the profile of the inner groove being rounded.
COMMISSARIAT A L’ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Demiguel, Stéphane
Reverchon, Jean-Luc
Benfante, Marco
Abstract
A method for fabricating an optoelectronic component includes at least one photodiode, the steps of the method making it possible to move the electric carrier collection field to the layer least sensitive to radiation, thus reducing the influence of irradiation on the dark current.
Method and apparatus for monitoring - with contention mitigation - avionics application(s) running on a platform with multi-core processor, related electronic avionics system and computer program
A method for monitoring avionics software application(s) executed by an avionics platform, on-board an aircraft, including a multi-core processor and hosting an operating system, is implemented by an electronic monitoring device and includes, for each software application running, a monitoring phase including acquisition at least one characteristic variable value representative of a use of the platform, each acquired value being associated with the respective software application, comparison of each acquired value with a respective threshold corresponding to the characteristic variable, and stopping the execution of the respective software application if at least one acquired value is higher than the respective threshold.
