A locking/unlocking system for a thrust reverser actuator includes a preloading arrangement mounted between a locking part and an input gear of an actuator drive mechanism, the preloading arrangement holding the locking part and the input gear rotationally fixed when a torque between the drive mechanism and the locking part is less than a preloading threshold and decoupling the locking part and the input gear when the torque becomes greater than the preloading torque, a decoupling movement displacing the locking member from a locked position to an unlocked position, the drive movement then being able to be transmitted in order to allow a deployment of the thrust reverser actuator.
A system for controlling actuators in an aircraft. The system including at least a first actuator and a second actuator. Each of the actuators including a movement member, at least one measurement sensor, and a computing member internally connected to the movement member and configured to be connected to at least one electronic computer of the, aircraft. The computing member having a function for controlling the movement member, the measurement sensor of the first actuator being externally connected to the computing member of the second actuator, the computing member of the second actuator also having a monitoring function for monitoring the movement member of the first actuator.
B64C 13/30 - Transmitting means without power amplification or where power amplification is irrelevant mechanical using cable, chain, or rod mechanisms
B64F 5/60 - Testing or inspecting aircraft components or systems
3.
MAGNETIC HYSTERESIS BRAKE WITH REDUCED ELASTIC RETURN
A magnetic hysteresis brake (10), comprising at least a first member (11.1) carrying first magnets (17.1) and a second member (12) made of magnetic material, each first magnet having a first surface (15.1) facing a first surface (14) of the second member (12) in order to generate a first magnetic flux towards the second member (12) through said surfaces, characterised in that the first magnets (17.1) are separated from one another by magnetic elements (18.1) which are made of a magnetic flux-conducting material and which have a first surface facing the first surface (14) of the second member (12) and close to the first surface (15.1) of the adjacent first magnets (17.1) in order to let pass a second magnetic flux the direction of which is opposite to the first flux of the first adjacent magnets, the first surface of the magnetic elements being of smaller size than the first surface (15.1) of the first magnets. The invention also relates to a control instrument and to a vehicle comprising such a brake.
H02K 49/04 - Dynamo-electric clutchesDynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum positionProviding feel, e.g. means for creating a counterforce
4.
CASSEGRAIN TELESCOPE WITH PIEZOELECTRIC ACTUATORS FOR A HIGH-PERFORMANCE GYROSTABILISED VIEWFINDER
The invention relates to a telescope (1) comprising: - a primary mirror (10) mounted on a support (11); - a secondary mirror (20) surrounded by a secondary ring (21) securing the secondary mirror to an armature (30); - an articulated structure (40) arranged between the support (11) and the armature (30) in order to allow six degrees of freedom for the secondary mirror (20) with respect to the primary mirror (10); - a plurality of piezoelectric actuators (50) mounted so as to move the secondary mirror (20) by acting on the articulated structure (40); - at least one sensor (70) for sensing the alignment of the primary mirror (10) and of the secondary mirror (20); - an electronic processing unit electrically connected to the actuators and arranged to control the actuators (50) so as to maintain alignment between the primary mirror (10) and the secondary mirror (20).
G01B 11/27 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing the alignment of axes
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
5.
METHOD FOR CONTROLLING AN ONBOARD OPTRONIC DEVICE AND CORRESPONDING ONBOARD OPTRONIC DEVICE
kkk of the coordinates of the star (k) in the frame of reference of the line of sight such that formula (I); • - setting a cost function formula (II) and searching for the optimal values of the rotation matrix T to minimise the cost function; and • - recording the values of the rotation matrix thus defined. The invention also relates to an optronic device and vehicle used to carry out this method.
G01C 21/02 - NavigationNavigational instruments not provided for in groups by astronomical means
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01C 25/00 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
The invention relates to a method for detecting and characterising laser radiation by a laser alert system comprising a laser alert device comprising at least one logarithmic-response sensor under high photon flux, which comprises: - a step of acquiring an image by the sensor according to an exposure; - a step of detecting a spot from the acquired image; - a step of determining a response of the sensor to the laser radiation by an analysis of the detected spot; - a step of calculating a diameter of the detected spot; - a step of comparing the calculated value of the diameter of the spot with a predetermined maximum theoretical value; and - a step of characterising the laser radiation according to the response of the sensor, the result of the comparison and at least one map connecting the response of the sensor to characteristics of the laser radiation.
G01S 7/4863 - Detector arrays, e.g. charge-transfer gates
G01S 7/495 - Counter-measures or counter-counter-measures
G01S 7/48 - Details of systems according to groups , , of systems according to group
G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
7.
METHOD AND DEVICE FOR DETECTING AND EXCLUDING A SATELLITE FAILURE
The invention relates to a multispectral imager (1) comprising a sensor (3) and an optical system (5) that comprises a spectral-focusing optical group (9) and an axial movement system (13) for axially moving the spectral-focusing optical group (9), wherein the optical system (5) is configured to refract electromagnetic radiation (R) incident on the sensor (3) and to implement spectral defocusing of the refracted electromagnetic radiation (R), wherein the spectral defocusing is greater than 100 micrometres for a difference of 100 nanometres in wavelength, and wherein the axial movement system (13) makes the spectral-focusing optical group (9) movable between a focusing position on the sensor (3) for electromagnetic radiation (R) with a wavelength of 500 nm, and a focusing position for electromagnetic radiation (R) with a wavelength of 1800 nm.
The invention relates to a tracking system (S) comprising at least one item of tracking equipment (3) and a detection device (4) which is configured to detect the position and the angular orientation of the item of tracking equipment (3), the detection device (4) comprising a receiver (1) which is configured to receive a projected predetermined standard image (IM1), the receiver (1) comprising an optical sensor (14), which is configured to capture a portion of the projection of the predetermined standard image (IM1) received on a receiving area (11), and a computing device (19), which is configured to determine a deformation of at least one predetermined oriented pattern (M1-M15) of the predetermined standard image (IM1) so as to deduce a position vector (vecR) therefrom.
A communication network for connecting a plurality of electronic processing units to one another, the network having at least one switch which has at least one input port and one output port for connecting it to the electronic processing units and which is arranged to transmit a data frame of a data stream between at least two of the electronic processing units, the switch having at least one electronic circuit that is arranged to control a transit time of the data frame between the two electronic processing units.
A system for displaying critical and non-critical information on a screen, includes an electronic computing circuit and an electronic monitoring circuit, the electronic computing circuit being configured to process the critical information to be displayed; construct an image from the non-critical information and incorporate therein the critical information to be displayed; the monitoring circuit being configured to determine critical information expected for the display, the computing circuit is configured to transmit to the monitoring circuit at least one indicator of a critical state or of a non-critical state of the information rendered by each pixel of the image, the electronic monitoring circuit is configured to: extract from the image the critical information received from the indicator, compare the result of a hash function applied to the expected critical information and to the received critical information.
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric and electronic apparatus, instruments and equipment for the navigation, guidance, remote guidance, automatic piloting and stabilisation of air, land, sea and space vehicles; Hybrid and inertial navigation apparatus, instruments and equipment for land, sea, aeronautical and space vehicles; Positioning and geolocation apparatus, instruments and equipment; Gyroscopic apparatus, instruments and equipment.
09 - Scientific and electric apparatus and instruments
Goods & Services
Navigation data processing and distribution system (NDDS);
data processing apparatus and equipment; apparatus and
instruments for navigation, monitoring and positioning for
naval applications; speed and/or position measuring
apparatus; time recording apparatus; distance measuring and
recording apparatus.
09 - Scientific and electric apparatus and instruments
Goods & Services
GNSS (Global Navigation Satellite System) transceiver for
navigation devices for land and air vehicles; none of the
above-mentioned products are related to broadcasting and
entertainment.
The invention relates to an electric machine comprising a stator (4) and a rotor inserted into a central circular opening of the stator, the stator comprising a yoke (4b) and a plurality of teeth (5) extending into the opening in a radial direction and a plurality of identical power assemblies (6). Each power assembly (6) comprises a coil (7) wound around one of the teeth and a power module (8) inserted into the stator and connected to the coil (7). Each power module (8) is arranged on the periphery of the stator (4) opposite the coil (7). Each power assembly (6) further comprises a coil holder (60). The power module (8) is separated from the coil (7) by the coil holder (60).
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
B64D 27/24 - Aircraft characterised by the type or position of power plants using steam or spring force
The invention relates to an optical system (3) comprising, aligned in this order on the same optical axis (X-X'), a first lens (7) defining a first dioptre (11) and a second dioptre (12), a free space (8), and a second lens (9) defining a third dioptre (13) and a fourth dioptre (14), wherein the first dioptre (11) comprises an outer refraction region (15) and a central reflection region (17), and wherein the fourth dioptre (14) comprises an outer reflection portion (21) and a central refraction portion (23), such that electromagnetic radiation (R) entering into the optical system (3) via the outer region (15) of the first dioptre (11) exits therefrom via the central portion (23) of the fourth dioptre (14) after being reflected by the outer portion (21) of the fourth dioptre (14) and then by the central region (17) of the first dioptre (11).
The invention relates to a method for measuring the wear of the discs of an aircraft brake provided with a wear indicator (6) movably mounted on a fixed part of the aircraft brake and moving as the discs wear, the method comprising the steps of: - acquiring an image of a portion of the discs of the aircraft brake, - identifying the wear indicator (6) in the acquired image, - identifying at least three reference points (A1, B1, C2) on the wear indicator (6), and - determining at least one measurement of the wear of the discs of the aircraft brake by determining at least one dimension (L, W) associated with the wear indicator (6) from the three identified reference points (A1, B1, C2).
The invention relates to a system for supplying power to an electric motor for driving a rotary mechanical machine with high torque variation over a revolution, wherein the system comprises a power supply device supplying an alternating current, the intensity (Iv) of which varies in proportion to the torque exerted by the motor. The system comprises a device for regulating the power supplied to the motor, wherein the regulating device supplies an alternating voltage (Uv) controlled by the current (Iv) and in phase opposition to the current (Iv).
H02P 11/00 - Arrangements for controlling dynamo-electric converters
H02P 23/04 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
H02P 6/10 - Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
H02P 21/05 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for damping motor oscillations, e.g. for reducing hunting
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Appareils, instruments et équipements électriques et électroniques pour la navigation, le guidage, le téléguidage, le pilotage automatique, la stabilisation de véhicules aériens, terrestres, maritimes et spatiaux; Logiciels de configuration et d'harmonisation pour le monitoring des centrales de navigation; Programmes informatiques pour l'analyse et la gestion des systèmes de navigation; Applications informatiques dédiées à la surveillance et au diagnostic des centrales de navigation; Logiciels pour la collecte, le traitement et l'affichage des données relatives à la navigation; Logiciels de gestion, de contrôle et de surveillance des systèmes de navigation; Logiciels de simulation et de test pour les systèmes de navigation; Logiciels de gestion des communications pour les centrales de navigation; Logiciels de visualisation et d’interface utilisateur pour les systèmes de navigation. Services de conception et de développement de systèmes de navigation et de logiciels pour systèmes de navigation; Consultation en matière de logiciels de surveillance et de configuration des centrales de navigation; Services de maintenance, mise à jour et de support technique pour les logiciels destinés aux systèmes de navigation; Services de formation et d’assistance pour l’utilisation de logiciels pour systèmes de navigation; Services de test et de validation des logiciels pour systèmes de navigation; Services de gestion des données pour les centrales de navigation.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Programmes d'ordinateur d'aide à la navigation, programmes d'ordinateur dans le domaine de la radionavigation; cartes électroniques, émetteurs, récepteurs et simulateurs de radionavigation par satellite; antennes de positionnement, de navigation, de synchronisation et de communication; Services de communications électroniques pour la transmission par antennes; antennes satellitaires; antennes monobande et multibande du système mondial de navigation par satellite (GNSS); Antennes de réception pour émissions par satellite; Antennes à réflecteur parabolique pour transmissions par satellite; antennes à diagramme de rayonnement contrôlé (CRPA); Positionneurs d'antenne; Amplificateurs d'antenne; Rotateurs d'antenne; Antennes à radiofréquences; Antennes de radars; Multiplexeurs d'antennes; Parties intégrantes d'antennes; Antennes pour signaux radio; Câble de transmission pour antenne; Appareils de mesure pour paramètres d'antennes; Antennes pour la transmission d'ondes radio. Expertises techniques (travaux d'ingénieurs) dans le domaine de la radionavigation par satellite.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Control devices installed in a guided precision-airdrop
system, namely, a GPS-guided parachute for cargo dropping. Parachutes and parachute systems for handling people and
loads; parachute bags; parachute harnesses; parachute wings;
parachute opening handles.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Control devices installed in a guided precision-airdrop
system, namely, a GPS-guided parachute for cargo dropping. Parachutes and parachute systems for handling people and
loads; parachute bags; parachute harnesses; parachute
canopy; parachute opening handles.
24.
SYSTEM FOR COMMUNICATING WITH AN ELECTRONIC DEVICE, ADAPTER FOR SUCH A SYSTEM, AND CONTAINER FOR SUCH AN ELECTRONIC DEVICE
One aspect of the invention aims to enable an electronic device (2) packaged in a container (4) to communicate without compromising the transmitted data. In particular, the invention relates to a communication system (3) comprising: an authorised transmitter (31); and a receiver (32) connected to the device (2), wherein the transmitter and the receiver are configured for contactless communication, and wherein the receiver authorises communication to and from the electronic device only when an identifier (61) is detected in the data (510) received by the transmitter. Thus, the electronic device can only be interrogated by an authorised transmitter. An unauthorised transmitter (one that does not know the key) is unlikely to establish communication with the electronic device.
G06F 21/35 - User authentication involving the use of external additional devices, e.g. dongles or smart cards communicating wirelessly
H04B 5/79 - Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
H04W 12/00 - Security arrangementsAuthenticationProtecting privacy or anonymity
H04W 12/069 - Authentication using certificates or pre-shared keys
G06F 21/00 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Émetteur-récepteur GNSS (Global Navigation Satellite System) pour appareils de navigation pour véhicules terrestres et aériens; aucun des produits susmentionnés n'est lié à la radiodiffusion et au divertissement.
09 - Scientific and electric apparatus and instruments
Goods & Services
GNSS (Global Navigation Satellite System) transceiver for navigation devices for land and air vehicles; none of the above-mentioned products are related to broadcasting and entertainment.
27.
DEVICE AND METHOD FOR COMMISSIONING AN ITEM OF ELECTRONIC EQUIPMENT SUPPLIED WITH POWER BY AN ELECTRICAL POWER SOURCE
The present invention relates to a commissioning device for commissioning an item of electronic equipment (15) supplied with power by an electrical power source (12), the commissioning device (1) comprising: - an item of electronic equipment configured to perform an electronic function; - an electrical power source configured to supply power to at least the item of electronic equipment; - a radio communication element (3) configured to receive a radio signal (Sradio); and - a switching element (5) configured to receive the radio signal and to commission the item of electronic equipment by supplying power to the item of electronic equipment from the electrical power source, so as to perform the associated electronic function.
The invention relates to a quadrature phase interferometer comprising polarization-maintaining optical fibres, each fibre comprising a first axis and a second axis of different refractive indices, the interferometer (1) comprising: a starting optical fibre (9) optically connecting, via its first axis, a linearly polarized laser source (3) and a first coupler (5), a reference optical fibre (11) optically connecting, via its first axis, the first coupler (5) and a second coupler (7), a measuring optical fibre (15) optically connected to the second coupler (7), a fourth optical fibre (43) and a fifth optical fibre (45) exiting from the second coupler (7) and leading to a phase-shifting module (47), and four optical sensors (49) configured to perform a quadrature phase measurement of the light intensity received by the optical sensors (49).
According to one aspect, the invention relates to a method (400) for correcting residual optical defects of an image acquired by a camera with a particular focal length, the acquired image being corrected for defects of a sensor of the camera, wherein the residual optical defects relate to the particular focal length and are different from the defects of the sensor, the method being carried out on the basis of a first calibration table corresponding to an amplitude of the residual optical defects at the particular focal length.
H04N 17/00 - Diagnosis, testing or measuring for television systems or their details
H04N 25/671 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
A transmission device for transmitting a movement includes a screw extending along an axis, a nut, a housing, a first elastic member, a second elastic member,—a first assembly, a second assembly, a first axial stop, and a second axial stop. The first elastic member is able to be deformed independently of the second elastic member under the effect of a first axial force, and the second elastic member is able to be deformed independently of the first elastic member under the effect of a second axial force which exceeds a second threshold.
The invention relates to a method for assigning a set of services to a set of data links between a mobile device and at least one station, comprising - a step (S1) of selecting a sub-set of data links comprising a sub-step (S11) of determining performance parameters for each data link, a sub-step (S12) of converting these performance parameters into objective values, and a sub-step (S13) of selecting data links depending on the objective values; - a step (S2) of ordering the data links depending on at least one ordering criterion; - an assigning step (S3) comprising assigning the services depending on a order of the services and on the order of the data links.
The invention relates to an aerial drone (1) including a fixed structure (2), a motor assembly (3) for propelling and orienting the drone, an optronic distance measurement device (6), and an electronic guidance unit (5) connected to the motor assembly (3) and to the optronic distance measurement device (6) in order to control the motor assembly (3) according to signals emitted by the optronic distance measurement device (6). The device (6) comprises an optical system (6.1) and an optronic sensor (6.2) which have a fixed orientation with respect to the fixed structure (2). The electronic guidance unit (5) is arranged to control the motor assembly (3) in order for the drone to move above an exploration area, scanning the exploration area by the optronic sensor (6.2) until detecting electromagnetic radiation emitted by a target, and then to guide the drone until the target by distance measurement.
G05D 1/247 - Arrangements for determining position or orientation using signals provided by artificial sources external to the vehicle, e.g. navigation beacons
G05D 1/689 - Pointing payloads towards fixed or moving targets
G05D 105/28 - Specific applications of the controlled vehicles for transportation of freight
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Dispositifs de commande installés dans un système guidé de largage aérien de précision, à savoir, un parachute guidé par GPS pour le largage de fret.
(2) Parachutes et systèmes de parachute pour la manutention de personnes et de chargements; sacs de parachutes; harnais de parachutes; voilure de parachutes; poignées d'ouverture de parachutes.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Dispositifs de commande installés dans un système guidé de largage aérien de précision, à savoir, un parachute guidé par GPS pour le largage de fret.
(2) Parachutes et systèmes de parachute pour la manutention de personnes et de chargements; sacs de parachutes; harnais de parachutes; voilures de parachutes; poignées d'ouverture de parachutes.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Control devices installed in a guided precision-airdrop system, namely, a GPS-guided parachute for cargo dropping. Parachutes and parachute systems for handling people and loads; parachute bags; parachute harnesses; parachute canopy; parachute opening handles.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Control devices installed in a guided precision-airdrop system, namely, a GPS-guided parachute for cargo dropping. Parachutes and parachute systems for handling people and loads; parachute bags; parachute harnesses; parachute wings; parachute opening handles.
The invention relates to an optronic angle error measurement device (101) comprising an optical system (102), an optronic sensor (104), and an electronic weighing circuit (105) connected to the optronic sensor. The optronic sensor comprises at least four adjacent photodiodes which supply a signal proportional to a quantity of light energy of an incident light beam having at least one wavelength of interest at which the photodiodes are sensitive, and which have fields combining to form the field of the optronic sensor. The optical system comprises a helical phase optical element (106). Also disclosed are a vehicle and a pointing device provided with such a device.
G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
G01S 7/4863 - Detector arrays, e.g. charge-transfer gates
38.
DETECTION OF WHETHER A FLIGHT CONTROL IS BEING GRIPPED
The invention relates to a control system (100) for an aircraft, comprising: - a moveable flight control (101); - an active return system (106) for returning the flight control (101), comprising: an electric motor (108) for driving the flight control (101), a measurement device (112) designed to deliver a measurement () representative of a position () of the flight control (101), and a device (114) for controlling the electric motor (108) designed to deliver a torque setpoint to the electric motor (108) based on the measurement () and on a position setpoint (*); and - a device (118) for detecting whether the flight control (101) is being gripped. The detecting device (118) comprises a state observer (120) designed to deliver, based on the measurement (), an estimate () of an external force () applied to the flight control (101), the state observer (120) using a model of the flight control (101) and of the active return system (106), and the detecting device (118) is designed to detect whether the flight control (101) is being gripped based on the estimate () of the external force ().
A navigation method of a vehicle equipped with a star tracking device, a first inertial measurement device and a satellite positioning device, the star tracking device and the first inertial measurement device being connected to a single support. The method includes controlling movements of the support; simultaneously with these movements, calculating, in a horizontal plane, first positions of the vehicle, and second positions of the vehicle; calculating first deviations between the first positions and the second positions corresponding to each tracking heading and depicting them in a polar reference frame as a function of the corresponding heading and the values of the first deviations; carrying out a circular regression on said first deviations to determine, in this polar reference frame, a first circle; and determining a radius of the circle and a second deviation between a centre of the first circle and an origin of the polar reference frame.
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01C 21/02 - NavigationNavigational instruments not provided for in groups by astronomical means
40.
METHOD AND DEVICE FOR REFERENCING AN ARTIFICIAL SATELLITE IN A STAR EPHEMERIS IN ORDER TO DETECT GNSS SPOOFING
The invention relates to a method (PREF) for referencing at least one artificial satellite (SAT) in a star catalogue (CTG) comprising the step of positioning at least one star projected onto a celestial sphere (SC). It comprises: - a step (E10) of obtaining the co-ordinates (Oqd, Â) of an observation location of the at least one artificial satellite (SAT) and the orbital parameters (TLE) of the at least one artificial satellite (SAT); - a step (E50) of projecting the satellite (SAT) onto the celestial sphere (SC) in a viewing direction determined from the orbital parameters (TLE) and the observation location; - a step (E80) of recording, in the catalogue (CTG), the co-ordinates of the satellite (SAT) projected onto the celestial sphere (CS), wherein the co-ordinates of the stars and the at least one artificial satellite (SAT) are expressed in the same geocentric reference frame, referred to as the star catalogue reference frame.
The system for controlling the speed of opening a sliding door for an aircraft including a mechanical braking device for the door including a transmission shaft and a centrifugal absorber including a resistance shaft connected to the transmission shaft, and linking means that are designed to be connected to the sliding door and to cooperate with the transmission shaft so that when the sliding door moves in a predetermined direction, the linking means drive the transmission shaft and the centrifugal absorber applies a resistance torque to the transmission shaft in order to control the speed of movement of the door. The system includes a speed reducer connecting the resistance shaft to the transmission shaft so that the speed of rotation of the resistance shaft is greater than that of the transmission shaft when the sliding door moves in the predetermined direction.
A navigation method using a plurality of pseudo-measurements obtained from satellite signals, the method implementing a Kalman filter bank having a main filter calculating a main navigation solution from the pseudo-measurements originating from satellites, and sub-filters each calculating a secondary navigation solution, and at least one innovation of the pseudo-measurements for each non-excluded satellite and a cross-innovation. An indicator is determined from the sensitivity of the cross-innovation to the innovations of the non-excluded pseudo-measurements. A corresponding navigation system and to a vehicle equipped with same are also provided.
G01S 19/20 - Integrity monitoring, fault detection or fault isolation of space segment
G01S 19/39 - Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
43.
SYSTEM FOR CONTROLLING THE SPEED OF MOVEMENT OF A SLIDING DOOR AND ASSOCIATED AIRCRAFT
The system for controlling the speed of movement of a sliding door for an aircraft comprises a means for electromagnetically braking the door including a transmission shaft and electromagnetic resistive means. The resistive means are autonomous and include a control law relating a first damping value to a first speed threshold of the speed of movement of the door, a second damping value to a second speed threshold of the speed of movement of the door, the resistive means applying on the transmission shaft the resistive torque equal to a first torque proportional to the first damping value when the speed of movement is higher than the first speed threshold, and applying the resistive torque equal to the sum of the first torque and of a second torque proportional to the second damping value when the speed of movement is higher than the second speed threshold.
A system for transmitting commands to at least one hydraulic servo actuator, includes a mechanical system including: a rotary electrical actuator including a first and a second channel, a linear electrical actuator including a third channel, the linear electrical actuator being connected to the rotary electrical actuator by a mechanical connection and being connected to the hydraulic servo actuator by a mechanical connection; a control system including: a first control device connected via an electrical connection to the first channel; a second control device connected via an electrical connection to the second channel; a third control device connected via an electrical connection to the third channel.
B64C 13/40 - Transmitting means with power amplification using fluid pressure
B64C 13/50 - Transmitting means with power amplification using electrical energy
B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
This parachute comprising a canopy having a leading edge and a trailing edge opposite the leading edge, suspension lines each having a first end attached to the leading edge and a second end that is designed to bear a load, and a slider having through-elements for the suspension lines to pass through, said elements being connected to one another by attachment means, each of said through-elements being passed through by one of the suspension lines and being free to move in translation relative thereto, the slider being designed to slide along the suspension lines that pass through the through-elements in the direction from the first ends of said suspension lines towards their second ends under the effect of gravity and the force generated by the suspension lines spreading apart when the parachute starts a descent, tightening and spreading apart the suspension lines as the canopy inflates.
The invention relates to a method for estimating the direction of arrival of an electromagnetic wave at an antenna array (2), comprising the steps of: —estimating (202) a covariance matrix of signals acquired by the antenna array (2); —calculating (204) a normalised eigenvector of the covariance matrix; —correlating (205) the normalised eigenvector with a first reference table and a second reference table so as to produce a first correlation spectrum and a second correlation spectrum comprising correlation indices associated, respectively, with different directions of arrival; —constructing (312) a third reference table by linear combination of the first reference table and the second reference table with a polarisation component of the electromagnetic wave in the first direction and the second direction, respectively; —correlating (314) the normalised eigenvector with the third reference table so as to produce a third correlation spectrum comprising correlation indices associated with different directions of arrival; —identifying (316) a direction of arrival associated with a maximum correlation index of the third correlation spectrum.
G01S 3/08 - Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
G01S 3/04 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves Details
G01S 3/46 - Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
47.
Navigation system with pivoting inertial measurement units
An inertial navigation system intended to be carried on board a vehicle includes at least two first inertial measurement cores of the type connected to the vehicle, and at least two second inertial measurement cores each secured to a turntable mounted with the ability to pivot about an axis of rotation. The axes of the second inertial measurement cores are angularly offset from one another. The system includes an electronic location calculation unit connected to the inertial measurement cores and a motor driving the rotation of the turntables to control them and employing at least a filtering algorithm to observe and correct a discrepancy between the positions provided by the measurement cores. The electronic unit controls the motor to pivot the turntables and process the measurements simultaneously coming from the second inertial measurement cores in at least two distinct angular positions of each turntable and of the first measurement cores.
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
A method for detecting obstacles includes implementing a semantic segmentation algorithm to produce a first segmented image from a first raw left or right image; rectifying the raw stereo images to obtain rectified stereo images, and the first segmented image to obtain a first rectified segmented image; producing a disparity map; producing a second rectified segmented image; producing a list of predefined instances of obstacles present in the vehicle's environment from the rectified segmented stereo images; and integrating the predefined instances of obstacles into intermediate images obtained from the rectified stereo images.
G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestriansRecognition of traffic objects, e.g. traffic signs, traffic lights or roads
The electrical insulating element for a stator comprising a stack of magnetic sheets having at least one first stator tooth and comprising at least one first stator coil wound around the first stator tooth, the first stator tooth having a first end face located at one end of the stack of magnetic sheets, the insulating element comprises an electrically insulating foil having a face coated with adhesive.
The electrical insulating element for a stator comprising a stack of magnetic sheets having at least one first stator tooth and comprising at least one first stator coil wound around the first stator tooth, the first stator tooth having a first end face located at one end of the stack of magnetic sheets, the insulating element comprises an electrically insulating foil having a face coated with adhesive.
The insulating element is configured to be inserted between the first face of the first stator tooth and the stator coil, the face coated with adhesive being adhered to the first face.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
The invention relates to a method for acquiring and processing images of a scene (4) provided by a detection system (2) comprising a sensor (6), the method comprising: a step of modifying an adjustment parameter of the sensor (6), a step of modifying a reference offset table of the sensor (6), with the modification being applied to the images, and a step of compensating for variations in the average intensity of the images caused by the modifications to the adjustment parameter of the sensor (6) and the reference offset table of the sensor (6), with the compensation being applied to the images.
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
H04N 25/671 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
51.
METHOD FOR VIEWING A LASER SPOT IN A CORRECTED COLOUR IMAGE AND IMAGE DETECTION DEVICE IMPLEMENTING THE METHOD
The invention relates to an image detection device for viewing a laser spot in a colour image. The device comprises an array of photosites and an array of microfilters, comprising four distinct types of microfilters, three first types of which exhibit transmission in two spectral ranges, and a fourth type of which exhibits transmission in only one of the two spectral ranges. The device further comprises a band-stop optical filter in a sub-range of a second spectral range. The device is configured to construct (301) an image for each type of microfilter; correct (302) each image resulting from a first type of microfilter by subtracting values weighted by a coefficient from pixels in the image resulting from the fourth type of microfilter; obtain (303) a colour image from the corrected images, detect (304) a laser spot in the image resulting from the fourth type of microfilter and insert (305) the laser spot into the colour image.
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 25/131 - Arrangement of colour filter arrays [CFA]Filter mosaics characterised by the spectral characteristics of the filter elements including elements passing infrared wavelengths
H04N 25/13 - Arrangement of colour filter arrays [CFA]Filter mosaics characterised by the spectral characteristics of the filter elements
H04N 23/12 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from different wavelengths with one sensor only
The invention relates to a detection method, using an optronic device comprising a plurality of imagers (4) operating in separate frequency bands, comprising the steps of: - acquiring at least two primary images (Ip) of a single scene produced by at least two different imagers; - registering the at least two primary images, in order to obtain, for each primary image, a secondary image; - producing a multispectral image (Im) from the secondary images, and detecting a target (8) in the multispectral image; and - producing a detection image (Id) in which a visual indicator is displayed.
The invention relates to a method for manufacturing a stack (1) of printed circuit boards, the method comprising at least: - a first step, in which at least three pads (101) are positioned on a first printed circuit board (10), in particular a double-sided printed circuit board; - a second step, in which a layer of adhesive (4) is deposited on the pads (101); - a third step, in which a core (2) is positioned on the pads (101); and - a fourth step, in which the layer of adhesive (4) is polymerized.
One aspect of the invention relates to a method for establishing a secure end-to-end connection between an on-board environment of an aircraft and a ground environment of a ground assistance centre. The secure connection is dedicated exclusively to managing an emergency situation. The method comprises in particular exchanging a plurality of ACARS, aircraft communications addressing and reporting system, messages and implementing an MPLS, multiprotocol label switching, cloud. Finally, the method comprises establishing a secure connection between the on-board environment and the ground environment via hybrid encryption using a public key accessible to the ground environment and the on-board environment and using a private key accessible exclusively to the ground environment.
The invention relates, according to a first aspect, to a detection system (1) for detecting angular sectors, comprising a non-magnetic disk or disk portion (5), the disk (5) comprising at least one main track (2) arranged on a part of a circumference of the disk (5), the detection system (1) comprising a first Hall sensor (6) arranged facing the main track (2) in a direction orthogonal to a plane in which the disk (5) is contained, each main track (2) consisting of multiple permanent magnets (4) of north or south polarity, each main track (2) comprising at least one magnet of north polarity and at least one magnet of south polarity, so as to define angular sectors (7) along the part of the circumference of the disk (5) in accordance with the polarity of the permanent magnets (4).
G01D 5/14 - 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 the magnitude of a current or voltage
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
G01D 3/08 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
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
The invention relates to an optronic sight (2) for a motorised vehicle such as an aerial, marine or land vehicle, comprising a sighting module (4) able to be moved about a first axis (8a) and a second axis (10) not parallel to the first axis (8a),
means (17a, 17b) for moving the sighting module about the first (8a) and second (10) axes,
means (14) for continuously measuring an angular datum of said module (4) about the first and second axes characterised in that it comprises a feedback control loop comprising:
means for acquiring the fundamental frequency of vibratory disturbances generated by the operation of at least one device of the sight, and
an adaptive corrector (26) configured to receive as input:
said fundamental frequency,
a discrepancy between an angular setpoint value (yck) and said angular datum
outputting a movement setpoint value to the movement means (17a, 17b).
The invention relates to a device for measuring the oxidation of an element comprising a carbon-carbon composite, including a means for measuring the diamagnetism of the element and a means for converting the diamagnetism measurement into an oxidation measurement.
G01N 27/82 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
B60T 17/22 - Devices for monitoring or checking brake systemsSignal devices
F16D 66/00 - Arrangements for monitoring working conditions of brakes, e.g. wear or temperature
The invention relates to a projector (30) for an aircraft, comprising at least one collimator comprising a light entry surface (6), a light exit surface (8) and an intermediate collimation surface (10) configured to collimate the light coming from the entry surface (6) and to direct it towards the exit surface (8), the light exit surface (8) comprising at least one rectilinear striation (20) in the form of a prism comprising a reflective surface (22) configured to reflect the light collimated by the intermediate collimation surface (10), and a refractive surface (24) configured to refract the light reflected by the reflective surface (22).
A method for limiting baro-inertial vertical speed correction, baro-inertial vertical speed being calculated by a baro-inertial loop implemented by a processor included in an airborne system further including an accelerometer and a barometric altimeter, the loop taking a vertical acceleration and a barometric altitude as input and being configured so as: to provide at least one altitude and the vertical speed; to correct the altitude and the vertical speed on the basis of the barometric altitude, a position correction gain, a vertical speed correction gain and a vertical acceleration correction gain. The method includes limiting vertical speed correction when the absolute value of the difference between the barometric altitude and the altitude exceeds a predetermined threshold, the limiting vertical speed correction including modification of the position correction gain.
G01P 3/62 - Devices characterised by the determination of the variation of atmospheric pressure with height to measure the vertical components of speed
G01C 5/06 - Measuring heightMeasuring distances transverse to line of sightLevelling between separated pointsSurveyors' levels by using barometric means
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
60.
HUMAN-MACHINE INTERFACE CONFIGURED TO DETECT AN UNINTENTIONAL COMMAND
The invention relates to a human-machine interface configured to detect an unintentional command, the interface comprising a control stick (5) that comprises a throttle lever (7) designed to be operated by a hand of a pilot, and a position sensor (9) for detecting the position of the control stick configured to communicate the position of the control stick to an onboard computer (11) of the aircraft (1), the human-machine interface comprising a presence detection system (13) for detecting the presence of the hand of a pilot on the throttle lever, and a controller (15) configured to communicate with the onboard computer when the presence detection system does not detect the hand of a pilot, the human-machine interface comprising a controllable friction module (17), the controller being configured to supply the controllable friction module with power such that the controllable friction module locks the position of the control stick when the presence detection system does not detect the hand of a pilot, and such that the controllable friction module unlocks the position of the control stick when a pilot's hand is detected by the presence detection system.
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
G05G 5/00 - Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
61.
METHOD AND DEVICE FOR VISUALISING IMPACTS OF LASER PULSES ON A TARGET
A method for visualising impacts of laser pulses emitted by a laser designator, according to a predetermined repetition interval (PRI), onto a target present in a scene, by means of a device including: an optronic sensor of the silicone-based CMOS type having a predetermined number of rows associated with a rolling shutter-type readout circuit. Each row of the sensor is exposed for an exposure time and read during a reading time so that the exposure time is no less than the reading time but no more than the product of the reading time and the number of rows. A transition between the rows exposed to a signal and the rows not exposed to said signal is detected in at least two images in order to infer the PRI.
The invention relates to a casing (2) which is configured to house electronic devices (9) and which comprises an upper wall (3) and a lower wall (4) comprising discharge openings (30) and intake openings (40), respectively, for an air flow in the casing (2), the casing (2) comprising an internal protective duct (10) internally delimiting an exposed volume and externally delimiting a protected volume, in which the electronic devices (9) lie and into which at least one of the intake openings (40) leads, the internal protective duct (10) comprising: - an upper end, into which the discharge openings (30) lead, and a lower end (8), leading into a receptacle, so as to confine a liquid that has seeped through the discharge openings (30) in the exposed volume; and - ventilation openings (13) configured to allow the air flow to circulate from the protected volume to the exposed volume.
The invention relates to a method for locating a target by means of a detecting device comprising a photodetector comprising N×M quadrants positioned with respect to a sighting axis of the detecting device, the photodetector being configured to detect optical signals from the target to be detected, said method being implemented in a processing unit of said device and comprising the following steps, the target scattering an optical signal: —acquiring the signals detected by each quadrant, which correspond to the signals scattered by the target toward the quadrants; —processing the acquired signals to determine an elevation angle error and an azimuth angle error of the direction of the target with respect to the sighting axis of the device; —processing the acquired signals with a view to deducing therefrom indicators of the distribution of the signals detected by the quadrants; —processing the determined elevation angle error and azimuth angle error with a view to deducing therefrom indicators of the theoretical distribution of the signals in the quadrants for these angle errors; —verifying the coherence of the theoretical distribution indicators with the distribution indicators obtained using the acquired signals so as to determine whether the measured angle error is valid.
G01S 3/784 - Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors
G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
G01S 13/44 - Monopulse radar, i.e. simultaneous lobing
G01S 17/66 - Tracking systems using electromagnetic waves other than radio waves
64.
METHOD FOR PROTECTING AN ELECTRONIC HOUSING AND ASSOCIATED ELECTRONIC HOUSING, MEASUREMENT SYSTEM AND AIRCRAFT
The invention relates to a method for protecting an electronic housing, comprising the steps of: - injecting at least one liquid or semi-liquid filling product into the housing (1) via at least one first injection opening provided in one of the walls of the housing; - stopping injection of the product when the product is present in at least one portion of at least one first opening and/or of at least one second opening provided in one of the walls of the housing; and - curing the product. The invention also relates to a corresponding housing, measurement system and aircraft.
An actuator (20) arranged to be connected to a mechanical chain (13) of a mechanical system (10) for controlling the flight of a vehicle, comprising a first motor (22a), a first output arrangement (23a) driven in rotation about an axis of rotation (X1-X1) by the first motor (22a) and forming a first mechanical pathway, a second motor (22b), a second output arrangement (23b) driven in rotation about the axis of rotation (X1-X1) by the second motor (22b) and forming a second mechanical pathway, an output member (24) configured to be connected to the mechanical chain (13), a first and a second coupling/decoupling device (25a, 25b) connecting, in terms of rotation about the axis of rotation (X1-X1), respectively the first output arrangement (23a) and the second output arrangement (23b) with the output member (24) in a coupled position. The actuator (20) comprising an electronic control unit (40) configured to detect a blockage of one of the mechanical pathways of the actuator (20) and to control the torques of the motors (22a, 22b) separately.
B64C 13/34 - Transmitting means without power amplification or where power amplification is irrelevant mechanical using toothed gearing
B64C 13/50 - Transmitting means with power amplification using electrical energy
B64C 27/56 - Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated
B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
66.
OBSERVING DEVICE COMPRISING INDEPENDENT OPTICAL AND OPTRONIC CHANNELS AND VEHICLE EQUIPPED WITH SUCH A DEVICE
An observing device includes an orientable optronic sight connected to a first electronic unit arranged to command acquisition according to image-capture parameters and an orientable optical sight connected to a second electronic unit arranged to communicate to the first electronic control unit image-capture parameters of the optical sight, the first electronic unit having a slave operating mode in which the optronic sight is commanded to make acquisitions according to the image-capture parameters of the optical sight and at least one autonomous operating mode in which the optronic sight is commanded to make acquisitions independently of the image-capture parameters of the optical sight.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE POITIERS (France)
Inventor
Dupeyrat, Cyril
Paumier, Fabien
Giroire, Baptiste Simon
Abstract
An optical element includes
a transparent substrate and
an intermediate coating extending over at least one main surface of the substrate. The intermediate coating has a plurality of dense thin layers which alternate in having a first index refractive index and a second refractive index, the first refractive index being greater than the second refractive index.
An optical element includes
a transparent substrate and
an intermediate coating extending over at least one main surface of the substrate. The intermediate coating has a plurality of dense thin layers which alternate in having a first index refractive index and a second refractive index, the first refractive index being greater than the second refractive index.
The optical element further includes
at least one porous layer extending over the intermediate coating, opposite the substrate. The porous layer has a third refractive index that is lower than the first and second refractive indices.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE RENNES 1 (France)
SAFRAN ELECTRONICS & DEFENSE (France)
Inventor
Tricas, Quentin
Foutrel, Patrice
Castel, Xavier
Le Paven, Claire
Besnier, Philippe
Abstract
A self-adaptive shielding device is suitable for a lens or a window of a piece of equipment provided with an electrically conductive enclosure containing an optical or RF sensor. The device includes a shielding screen having a switchable RF shielding mesh of micrometric pitch at least partially surrounded by a border of insulator-metal transition material arranged between the mesh and an electrically conductive envelope. A susceptor element is arranged facing the insulator-metal transition material and transforms incident electromagnetic energy (RFH) into activation heat for the insulator-metal transition material. The susceptor element causes a transition to the conductive state of the insulator-metal transition material under the action of the electromagnetic energy so as to electrically connect the mesh to the electrically conductive envelope when the incident electromagnetic energy exceeds a given threshold.
The invention relates to a furniture installation (100) which comprises: - a seat (102) comprising one or more movable elements (202, 204, 206, 208), wherein the seat can adopt in particular a safety position; and - a human-machine interface (110) for allowing a passenger seated in the seat (102) to move the seat (102). The furniture installation (100) further comprises a management device (114) designed to: - receive measurements relating to the state of the aircraft; - on the basis of the received measurements, determine a current flight phase of the aircraft, from a plurality of predefined flight phases; and - according to the flight phase determined, either block any movement of the seat out of the safety position by means of the human-machine interface, or allow the seat to be moved out of the safety position by means of the human-machine interface.
The invention relates to a method for controlling an autonomous vehicle (1) comprising at least an electronic control unit (2) and a first optronic device (5) connected to the electronic control unit in order to control the vehicle according to the position of a target (T) in first images provided by the optronic device. The method comprises the steps of: capturing at least one second image (Ib) of the target by means of a second optronic device (15) which is separated from the vehicle and which has a higher capture performance than a capture performance of the first optronic device; from the at least one second image, forming reference images (Ir) of the target at different distances and loading the reference images into the memory of the electronic control unit; and having the electronic control unit search for the reference images in the first images in order to steer the vehicle.
A first aspect of the invention relates to a heat exchanger (30) for a Joule-Thomson cooler (10), comprising a main body (310) and at least one gas pipe (32) made from a material composed of ceramic and metal, surrounding the main body (310). A second aspect of the invention relates to a Joule-Thomson cooler (10), comprising: - a heat exchanger according to the first aspect, and - a casing (20), in which the heat exchanger is housed. A third aspect of the invention relates to a method for manufacturing a heat exchanger according to the first aspect, comprising at least one step of manufacturing the gas pipe comprising at least one step of forming the gas pipe by extrusion and a step of coiling the gas pipe.
F25B 9/02 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effectCompression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using vortex effect
72.
METHOD FOR PROCESSING A GNSS SIGNAL WITH A VIEW TO ATTENUATING AT LEAST ONE JAMMING SIGNAL
The invention relates to a method for processing a radio navigation signal originating from a satellite (SAT) and received by a radio navigation receiver comprising a plurality of receive antennas, each antenna being configured to receive signals originating from a satellite of interest (SAT), from at least one jammer and possibly from at least one other satellite (SAT′) in given directions, the method comprising the following steps: detecting (E1), on the basis of the signal received by each antenna, at least one direction of a jamming signal; attenuating (E2, E2′) the detected jamming signal in the detected direction; in which method detecting (E1) the direction of a jamming signal is based on determining a covariance matrix dependent on the signals received by each antenna given by (i), where Z is a matrix of size N×M in which each column corresponds to the signal received by each antenna, N denoting the number of samples acquired during a fixed period ΔT and M being the number of antennas.
The invention relates to a fan module (3) comprising - a system (96) for the safe pitching of the blades (30), the blade pitch safety system (96) comprising: - at least one safety device (97) comprising a safety member that is translatably movable along the longitudinal axis (X) and movable between: a first position (P1) in which the body (54) of the actuator (52) is free to move between its feathered and pitched positions, and a second position (P2) in which the body (54) of the actuator (52) is brought into the feathered position and is free to move along a travel distance that is limited in relation to a travel distance defined between the feathered and pitched positions; - a drive device (98) for driving the safety member; and - a device (99) for controlling the drive device (98).
B64C 11/06 - Blade mountings for variable-pitch blades
B64C 11/38 - Blade pitch-changing mechanisms fluid, e.g. hydraulic
B64C 11/44 - Blade pitch-changing mechanisms electric
F02K 1/66 - Reversing fan flow using reversing fan blades
F02K 3/06 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type with front fan
F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
F02C 9/56 - Control of fuel supply conjointly with another control of the plant with power transmission control
A measuring device has a magnetic circuit with a first and second armature elements that are positioned one on either side of an axis X and are manufactured with at least one ferromagnetic material. A magnet is situated between the armature elements such that a first pole of the magnet is positioned next to the first armature element and such that a second pole of the magnet is positioned next to the second armature element. A rod is arranged to be secured to a target and inserted between the armature elements to slide along the axis X. The rod has a variable section along its length such that a magnetic flux in the magnetic circuit depends on a linear position of the rod along the axis X. At least one sensor is arranged to measure the magnetic flux, which corresponds to the linear position of the target.
G01D 5/14 - 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 the magnitude of a current or voltage
B60T 17/22 - Devices for monitoring or checking brake systemsSignal devices
F16D 55/36 - Brakes with a plurality of rotating discs all lying side by side
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
F16D 66/00 - Arrangements for monitoring working conditions of brakes, e.g. wear or temperature
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric and electronic apparatus, instruments and equipment
for navigation, guidance, remote guidance, automatic
piloting, stabilization of air vehicles; flight control
systems for aircraft; multi-function computers for avionics;
data collection instruments and equipment for maintenance
support (flight data management systems); scientific and
technical data analysis apparatus, instruments and equipment
(ground analysis station); process calculators; mission
calculators; automatic drone detection systems; electronic
apparatus, instruments and equipment for data acquisition
and processing and peripherals; electronic storage and
recording media for positioning, guiding and transmitting
data and services by satellite; recorded computer programs;
software for aircraft; transmitters of electronic signals;
transmitting sets (telecommunication); electronic
components, electronic media for navigation and positioning
data banks; apparatus and instruments for the remote control
and remote guidance of drones and other aircraft, namely,
remote control user interfaces, data telemetry devices,
radio transmitters and receivers, computers, global
positioning system receivers and electronic navigational
instruments; software and computer programs embedded in
drones and for ground operation in a platform for monitoring
data, images, messages, sounds from drones; remote analysis,
monitoring and control apparatus embedded in drones and
ground operated by platforms; detectors, sensors, radars,
sonars, lasers embedded in drones. Aircraft; drones; structural parts for drones; drone
dashboards. Maintenance and repair of drones; installation of computers. Designing and developing navigation systems for drones;
analyzing computer and technical systems and data from
drones; designing, constructing, updating (for third
parties) and developing computers; designing, constructing,
updating (for third parties), installing and developing
software (recorded programs), embedded or not, and for a
drone control platform; testing, analyzing and monitoring
navigation signals, data and information from drones; flight
simulation services; conducting technical tests and flight
tests, namely, quality control of drones; computer
application networking services; mapping services
(geography); software as a service [SaaS] intended for use
in drones; updating and maintenance of software intended for
use in drones; computer platform as a service [PaaS]
intended for use in drone navigation; research in the field
of on-board telecommunication technologies intended for use
in drones; recovering computer data from drones; electronic
storage of data from drones; data storage services; mapping
or thermographic measuring by drone.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
13 - Firearms; explosives
Goods & Services
Electric and electronic apparatus, instruments and equipment
for navigation, guidance, remote guidance, automatic
piloting, stabilization of air vehicles; guidance and range
augmentation systems and kits for missiles and bombs;
terminal flight-path controls for missiles and bombs; flight
control systems for aircraft; multi-function computers for
avionics; data collection instruments and equipment for
maintenance support (flight data management systems);
scientific and technical data analysis apparatus,
instruments and equipment (ground analysis stations);
process calculators; mission calculators; automatic drone
detection systems; electronic apparatus, instruments and
equipment for data acquisition and processing and
peripherals; electronic storage and recording media for
positioning, guiding and transmitting data and services by
satellite; recorded computer programs; software for
aircraft; transmitters of electronic signals; transmitting
sets (telecommunication); electronic components, electronic
media for navigation and positioning data banks; apparatus
and instruments for the remote control and remote guidance
of drones and other aircraft, namely, remote control user
interfaces, data telemetry devices, radio transmitters and
receivers, computers, global positioning system receivers
and electronic navigational instruments; software and
computer programs embedded in drones and for ground
operation in a platform for monitoring data, images,
messages, sounds from drones; remote analysis, monitoring
and control apparatus embedded in drones and ground operated
by platforms; detectors, sensors, radars, sonars, lasers
embedded in drones. Drones; combat drones; structural parts for drones; drone
instrument panels. Firearms; ammunition and projectiles; remotely operated
ammunition; launchers for projectiles; explosives.
77.
NAVIGATION DEVICE FOR AN OPTICAL SYSTEM FOR VIEWING AND OBSERVING A SCENE, AND METHOD FOR DETERMINING AN ATTITUDE FOR SUCH AN OPTICAL SYSTEM
The invention relates to a navigation device (3), configured to be securely mounted on an optical system for viewing and observing a scene (SC), the navigation device (3) comprising an inertial module (31), a viewing module (32), at least one database (33) storing a plurality of reference attitudes (Ari), each associated with a reference optical signature (Sri), a computer (34) configured to compare a current inertial attitude (Ac) with the reference attitudes (Ari) so as to determine the closest reference attitude (Arp) and deduce therefrom the associated reference optical signature (Srp), compare the current image (IMc) captured by the viewing module (32) with the associated reference optical signature (Srp) so as to determine an angular offset (Δ), and determine the navigation attitude (An) based on the closest reference attitude (Arp) and on the angular offset (Δ).
A method of manufacturing a pump element for a chamber under partial gas pressure, the pump element including a substrate covered with a getter layer based on metallic material, including the following steps: placing, in a vacuum processing chamber, the substrate and a target in said metallic material, propelling ions against the target to extract particles of metallic material therefrom and project them against a surface of the substrate at an oblique angle of incidence. A chamber under partial gas pressure containing a getter produced in this way.
A method comprising steps of: performing spatial filtering (104, 204) causing an attenuation of power of radio signals received by an antenna system in an angular sector (A); detecting (106, 206, 210) that a radio signal is received by the antenna system while the angular sector (A) includes a direction pointing at a satellite (S1) forming part of a constellation of positioning satellites, that the received radio signal is not subject to the attenuation caused by the spatial filtering, and that the received radio signal is in the form of a positioning signal emanating from the satellite (S1); and, following the detection, implementing processing (112, 114, 212, 214) under the assumption that the antenna system has fallen victim to decoying.
09 - Scientific and electric apparatus and instruments
Goods & Services
Artificial intelligence function (software, neural networks,
algorithms) integrated into defense aircraft and optronic
and navigation solutions for military equipment.
81.
SYSTEM FOR COUPLING TWO SHAFTS IN ROTATION WITHOUT PLAY
A system couples a driving shaft and a driven shaft in rotation and without play. The driving shaft includes a tubular end with at least one internal longitudinal groove receiving the driven shaft and having at its end a projecting cylindrical transverse pin configured to engage in the groove. A return spring for the pin urges the pin without play against a longitudinal edge of the groove. The spring includes a first helical section for fastening to the driven shaft and threaded by screwing through the pin. A second section of the spring bears on the pin, and a third elastic return section of the spring acts elastically on the second section.
F16D 1/112 - Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
82.
CONTROL OF A MOBILE SYSTEM IN AN ENVIRONMENT CONTAINING OBSTACLES
The invention relates to a method using predictive control employing a tube-based model in the presence of disturbances, the tube being defined by a set centred on successive nominal states. The method comprises: - obtaining an orthogonal projection of the set defining the tube, onto a space through which the environment extends; - obtaining a partition of the environment; - determining a path (CH) comprising segments (S2-4, S5-8) each determined on the basis of one or more segments of the partition; - defining corridors (Q2-4, Q5-8) around respective segments (S2-4, S5-8) of the path (CH); - verifying that the projection remains entirely in each corridor (Q2-4, Q5-8); - modifying the partition to remove any segment or segments where the projection departs from the corridor, to restart determining the path (CH); and - if the projection remains entirely in all the corridors (Q2-4, Q5-8), controlling the mobile system to successively pass through the corridors (Q2-4, Q5-8).
The invention relates to a secure-use device (20) comprising a light source (22), an optical sensor (24), and an optical system (26) configured to direct light emitted by the light source (22) towards a target (28), the optical system (26) being further configured to direct light reflected by the target (28) toward the optical sensor (24), the device comprising a comparison module (30) for comparing an image of the target (28) formed on the optical sensor (24) with an image database stored in the comparison module (30), the secure-use device (20) further comprising a module (32) for starting the secure-use device (20) configured to unlock the secure-use device (20) when the image of the target (28) formed on the optical sensor (24) is in the database.
09 - Scientific and electric apparatus and instruments
Goods & Services
GNSS [global navigation satellite system] transceivers for navigation apparatus for land and air vehicles; any of the aforesaid goods not in relation to the following fields: Broadcasting (radio -) and entertainment.
The invention relates to a power and data transmission device, comprising a first circuit (100), a second circuit (200) and a cable (300) connecting the first circuit and the second circuit and comprising a first pair (301) and a second pair (302) of electrical conductors for transmitting a data signal and a power signal, the data signal being transmitted in differential mode in a first direction on the first pair of electrical conductors and in a second direction on the second pair of electrical conductors; characterized in that the first circuit is designed to transmit, in differential mode, the power signal on a sinusoidal carrier using the common modes of the two pairs of conductors and the second circuit is designed to receive said power signal while maintaining, with respect to the cable, a real impedance equal to an iterative impedance of the cable.
One aspect of the invention relates to a method for the automated processing of one or more alerts in an aircraft, an alert being associated with an event concerning the state of the aircraft, which event can be associated with one or more alerts, the method being implemented by an automated processing system comprising one or more digitised control panels and a computing unit, the method comprising a step of preparing the processing of the alerts; a step of evaluating one or more procedures associated with each alert; a step of selecting an execution mode for the procedures to be implemented from a manual mode, in which the actions associated with each procedure are executed by the user themselves, and an automatic mode, in which the actions associated with each procedure are executed by the automated processing system; a step of executing the procedures in the ordered list of the procedures to be implemented, this execution being carried out in accordance with the ordering of the list when the automatic execution mode is selected by the user; and a step of displaying the actions implemented in the previous step, the achieved and/or expected changes associated with each of these actions, and the consistency of the achieved changes with the expected changes.
The invention relates to an extender (20) for a cargo parachute (22), which comprises a strap (24), a first connecting member (26) for connecting the strap (24) to the cargo parachute, a second connecting member (28) for connecting the strap (24) to a bundle (4), and an elastic member (30) intended to be drawn tight when the strap (24) is under tension, the elastic member (30) comprising polyurethane with a hardness of between 70 and 90 Shore A.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Control mechanism within guided precision aerial delivery equipment, namely, a GPS-guided cargo carrying parachute. Parachutes and parachute systems for handling persons and loads; Bags for parachutes; Parachute harnesses; Parachute canopies; Parachute deployment handles.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Control mechanism within guided precision aerial delivery equipment, namely, a GPS-guided cargo carrying parachute. Parachutes and parachute systems for handling persons and loads; Bags for parachutes; Parachute harnesses; Parachute canopies; Parachute deployment handles.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Fonction d'intelligence artificielle (logiciels, réseaux de neurones, algorithmes) intégrée à des appareils aériens de défense et à des solutions optroniques et de navigation d'équipements militaires.
09 - Scientific and electric apparatus and instruments
Goods & Services
Artificial intelligence function (software, neural networks, algorithms) integrated into defense aircraft and optronic and navigation solutions for military equipment.
09 - Scientific and electric apparatus and instruments
Goods & Services
Navigation data processing and distribution systems (NDDS); Data-processing apparatus and equipment; Navigational, surveillance and positioning apparatus and instruments for naval applications; Speed and/or position measuring apparatus; Time recording apparatus; Distance recording and measuring apparatus.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Firearms; ammunition and projectiles; remotely operated ammunition; launchers for projectiles; explosives. Electric and electronic apparatus, instruments and equipment for navigation, guidance, remote guidance, automatic piloting, stabilization of air vehicles; guidance and range augmentation systems and kits for missiles and bombs; terminal flight-path controls for missiles and bombs; flight control systems for aircraft; multi-function computers for avionics; data collection instruments and equipment for maintenance support (flight data management systems); scientific and technical data analysis apparatus, instruments and equipment (ground analysis stations); process calculators; mission calculators; automatic drone detection systems; electronic apparatus, instruments and equipment for data acquisition and processing and peripherals; electronic storage and recording media for positioning, guiding and transmitting data and services by satellite; recorded computer programs; software for aircraft; transmitters of electronic signals; transmitting sets (telecommunication); electronic components, electronic media for navigation and positioning data banks; apparatus and instruments for the remote control and remote guidance of drones and other aircraft, namely, remote control user interfaces, data telemetry devices, radio transmitters and receivers, computers, global positioning system receivers and electronic navigational instruments; software and computer programs embedded in drones and for ground operation in a platform for monitoring data, images, messages, sounds from drones; remote analysis, monitoring and control apparatus embedded in drones and ground operated by platforms; detectors, sensors, radars, sonars, lasers embedded in drones. Drones; combat drones; structural parts for drones; drone instrument panels.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric and electronic apparatus, instruments and equipment for navigation, guidance, remote guidance, automatic piloting, stabilization of air vehicles; flight control systems for aircraft; multi-function computers for avionics; data collection instruments and equipment for maintenance support (flight data management systems); scientific and technical data analysis apparatus, instruments and equipment (ground analysis station); process calculators; mission calculators; automatic drone detection systems; electronic apparatus, instruments and equipment for data acquisition and processing and peripherals; electronic storage and recording media for positioning, guiding and transmitting data and services by satellite; recorded computer programs; software for aircraft; transmitters of electronic signals; transmitting sets (telecommunication); electronic components, electronic media for navigation and positioning data banks; apparatus and instruments for the remote control and remote guidance of drones and other aircraft, namely, remote control user interfaces, data telemetry devices, radio transmitters and receivers, computers, global positioning system receivers and electronic navigational instruments; software and computer programs embedded in drones and for ground operation in a platform for monitoring data, images, messages, sounds from drones; remote analysis, monitoring and control apparatus embedded in drones and ground operated by platforms; detectors, sensors, radars, sonars, lasers embedded in drones. Aircraft; drones; structural parts for drones; drone dashboards. Maintenance and repair of drones; installation of computers. Designing and developing navigation systems for drones; analyzing computer and technical systems and data from drones; designing, constructing, updating (for third parties) and developing computers; designing, constructing, updating (for third parties), installing and developing software (recorded programs), embedded or not, and for a drone control platform; testing, analyzing and monitoring navigation signals, data and information from drones; flight simulation services; conducting technical tests and flight tests, namely, quality control of drones; computer application networking services; mapping services (geography); software as a service [SaaS] intended for use in drones; updating and maintenance of software intended for use in drones; computer platform as a service [PaaS] intended for use in drone navigation; research in the field of on-board telecommunication technologies intended for use in drones; recovering computer data from drones; electronic storage of data from drones; data storage services; mapping or thermographic measuring by drone.
95.
DEVICE FOR REMOVABLY ATTACHING A PIECE OF EQUIPMENT AND CORRESPONDING PIECE OF EQUIPMENT
The invention relates to a device for removably attaching a piece of equipment (E), comprising a base (200) and a frame (100) to which the piece of equipment is rigidly connected; the frame (100) having a first side (101) and a second side (102), opposite each other with respect to a first axis (A1) of the frame (100), and a base plate (103) extending between the sides (101, 102) in parallel with the first axis (A1) in order to rest on an upper surface (203) of the base (200). The device comprises at least a first abutment (104) arranged on the frame (100) in order to be engaged under a hook (204) rigidly connected to the base (200), and a second abutment (106) arranged on the frame (100) in order to engage with a tie rod (206) connected to the base (200).
The invention relates to electronic equipment comprising a supporting member (2) and at least one component (3), at least one thermoelectric module (7) being associated with the component, the module being shaped as a block comprising two main heat-exchange faces, the module being integrated at least partially into the supporting member such that a first one of its two main faces is in contact with at least one of the faces of the component, either directly or via at least one link (10) made of an at least thermally conductive material. The invention also relates to a corresponding electronic system.
H01L 23/38 - Cooling arrangements using the Peltier effect
H10N 10/17 - Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
H10N 10/13 - Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
98.
SYSTEM AND METHOD FOR PROTECTING AN ACTUATING ELECTRONIC SYSTEM AGAINST AN OVERCURRENT
One aspect of the invention relates to a system for electronically actuating a load, comprising: - a control module; - a transistor configured to be actuated by the control module by means of an electrical command in order to modify a load level; - a monitoring module configured to determine a monitoring state depending on the load level, and to transmit the monitoring state to the control module; - a filtering module configured to apply a delay to an evaluation of the activation or deactivation state of the load by the monitoring module: - a relaxation module intended to protect the actuating system against an over-current by generating a plurality of relaxation oscillations at a terminal of the load, each relaxation oscillation being produced by: o activating the transistor in a linear operation mode for an activation time determined by the relaxation module; and o opening the transistor for a deactivation time determined by the relaxation module, successively to the activation time.
H02H 3/02 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
H02H 7/22 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systemsEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for switching devices
A position sensor including a supporting structure bearing two elements capable of translational movement relative to one another in a first direction, namely a magnetic-field-emitting element for generating a magnetic field, and a magnetic-field-detecting element. The magnetic-field-emitting element is arranged in such a way that an orientation of the magnetic field, which orientation is considered in a first plane orthogonal to the first direction, changes as a function of a distance separating the first plane from a first end of the magnetic-field-emitting element. The magnetic-field-detecting element is configured to produce a signal indicative of the orientation of the magnetic field. A brake and an aircraft are equipped with the position sensor.
G01D 5/14 - 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 the magnitude of a current or voltage
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 17/22 - Devices for monitoring or checking brake systemsSignal devices
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
100.
METHOD FOR MONITORING THE WEAR OF AN ELEMENT OF A MECHANICAL CHAIN ROTATED BY A MOTOR
This method for monitoring the wear of an element of a mechanical chain rotated by a motor comprises the following steps: Recovering (step 9) the torque values applied to the element; Calculating (step 11) the shear stresses applied to the element; Identifying and counting (step 13) stress cycles; Determining (step 15), for each identified stress cycle, a damage value; Summing (step 17) all the damage values determined for each identified stress cycle into a total damage value; and Comparing (step 19) the total damage value with a threshold damage value for which the element presents a risk of breakage.
