A method for a heating device suitable for heating at least one soldered joint between an electronic component including at least a first contact mound and a printed circuit board. The soldered joint on the one hand securing the electronic component to the printed circuit board and on the other hand, while providing electrical continuity, the electronic component also having an electronic-component width, and an electronic-component thickness, wherein it includes an electrical-connection suitable for being coupled to an electrical power supply and a heater suitable for reaching a temperature at least equal to the melting point of the solder.
A method for characterizing the curvature of a road section, including: selecting, from among the points of the section, the points marking a curvature of the section; computing, for each selected point of the section contained between the second and the penultimate one, an indicator of curvature of the section at this point; identifying each bend contained in the road section, each bend including a set of successive selected points of the section; and for each bend contained in the road section, comparing the indicator of curvature of at least one of the points of the bend with a predetermined threshold. If the indicator of curvature computed for at least one of the selected points of the bend exceeds the predetermined threshold, recording, in a database, a data record including at least the set of points of the bend, and an item of data characterizing the curvature of the bend.
A method for estimating the distance between a vehicle and an authentication device, the vehicle including a computer and a plurality of communication modules capable of communicating with the device over a wireless communication link, each communication module including an electronic clock that defines the sampling frequency of the signals received from the device. The method includes in particular the steps of addition of noise to a response signal received from the device, of sampling of the noisy response signal, of detection, at a second instant, of the noisy response signal when the amplitude of the noisy response signal exceeds a predetermined detection threshold, of calculation of the time that has elapsed between a first instant and the second instant, and of estimation of the distance between the vehicle and the device based on the calculated time.
A computer including a hardware interface wherein the hardware interface includes a first resistor with a first first resistor pin and a second first resistor pin, a second resistor with a first second resistor pin and a second second resistor pin, a transistor, a comparator; the first first resistor pin being coupled on the one hand to the first hardware interface pin and on the other hand to a first transistor pin.
A method for determining a level of drowsiness of a driver of a motor vehicle on the basis of a predetermined image analysis algorithm, the vehicle including a camera and a computer, the computer implementing the predetermined algorithm on the basis of a set comprising at least one parameter relating to the attitude of the driver, the method, implemented by the computer, including a phase of learning and a phase of monitoring the state of the driver.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06K 9/62 - Methods or arrangements for recognition using electronic means
G08B 21/06 - Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
6.
Door handle with means for reducing ultra-high-frequency communication radiation
A handle for a motor vehicle opening, equipped with an ultra-high-frequency antenna having a device for transmitting and receiving a signal at a predetermined wavelength, with a device for detecting the approach of and/or contact by a user, with a printed circuit board and with at least one connecting cable intended for electrically connecting the printed circuit board to an electronic control unit. The at least one connecting cable has a section either projecting from the remainder of the at least one connecting cable or surrounded by an electromagnetically insulating coating coaxial with the at least one connecting cable, a length of the projecting section or a length of the coaxial coating being equal to one quarter of said predetermined wavelength with a tolerance of +/−20%.
G05B 23/00 - Testing or monitoring of control systems or parts thereof
G06F 7/00 - Methods or arrangements for processing data by operating upon the order or content of the data handled
G06F 7/04 - Identity comparison, i.e. for like or unlike values
G08B 29/00 - Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
H04Q 1/00 - SELECTING - Details of selecting apparatus or arrangements
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
E05B 81/76 - Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by handles
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
E05B 81/78 - Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by handles as part of a hands-free locking or unlocking operation
B60R 25/24 - Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
7.
Method for estimating the distance separating an authentication device and a motor vehicle
A method for estimating the distance between an authentication device and a vehicle, in particular a motor vehicle, the vehicle including a computer and a plurality of communication modules capable of communicating with the device by exchanging signals over a wireless communication link, each communication module including an electronic clock that defines the sampling frequency of the signals received from the device. The method includes a plurality of measurement phases each comprising determination, by the computer, of the distance between the vehicle and the device and stopping and restarting of the electronic clock, and estimation of the actual distance between the vehicle and the device based on the plurality of distances determined during the measurement phases.
A printed circuit board including electronic components, a carrier equipped with a network of conductor tracks electrically connecting the electronic components, and a plurality of strain gauges positioned on the carrier such that each one of the plurality of corners has a respective one of the plurality of strain gauges positioned closer to the one of the plurality of corners than to any other of the plurality of corners.
G01L 1/22 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
9.
PREDICTION OF A CARTOGRAPHIC READJUSTMENT PARAMETER BY DEEP LEARNING
Subjects of the present disclosure are methods for training deep learning models, methods for predicting a map matching parameter, methods for updating a digital road map, and a computer program making it possible to implement the methods and devices for updating a digital road map. The general principle is based on the use of machine learning. Accordingly, a statistical deep learning model is trained according to a “supervised” machine learning scheme. Thereafter, the pretrained statistical deep learning model is used to predict a map matching parameter on the basis of a measurement of geographic coordinates and of an identifier of the position sensor that has performed the measurement of geographic coordinates. Finally, the map matching parameter can be used to update a digital road map.
G01S 19/25 - Acquisition or tracking of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
G01S 19/07 - Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
G06N 3/04 - Architecture, e.g. interconnection topology
G06K 9/62 - Methods or arrangements for recognition using electronic means
10.
Method and device for determining a time of arrival of a radio signal
A reception device for receiving a radio signal, designed to estimate a time of arrival of the radio signal. The reception device includes a reception module designed to receive the radio signal, and a detection module configured so as to: measure a current supplied by an electric power source to the reception module, detect a current peak measured by the detection module, the current peak being caused by the reception of the radio signal by the reception module, and determine the time of arrival of the radio signal on the basis of the time of detection of the detected current peak.
G07C 9/00 - Individual registration on entry or exit
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
G01S 13/76 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
A heat sink including a first face in contact with electronic components generating heat to be removed and a second face in contact with the medium into which to dissipate the heat generated by the electronic components, including: at least one device for enhancing the thermal conductivity including a dome-shaped surface, a pin and a lateral section of revolution about the pin, the dome-shaped surface being connected to one end of a pin and to the lateral section of revolution, the dome-shaped surface being arranged on the second-face side, the free end of the pin being arranged on the first-face side.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
F28F 21/02 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 3/06 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
12.
Radio-transmitting sensor for a vehicle wheel, comprising a dual-mode antenna circuit
A radio-transmitting sensor for a vehicle wheel, suitable for measuring at least one physical quantity and for transmitting a radio signal representative of this measured physical quantity. The sensor includes a measurement and transmission circuit, an antenna impedance matching circuit, and an antenna circuit. The sensor includes a sensitivity switch controlled by the measurement and transmission circuit and suitable for switching the antenna circuit according to two modes: a dynamic mode in which the antenna circuit is configured as a magnetic antenna, and in which the sensor transmits said radio signal representative of the measured physical quantity, this signal including transmitted data frames; and a static mode in which the antenna circuit is configured as an electric antenna.
A method for reconfiguring a device for monitoring a tire, incorporating a pressure sensor and a communication module. The device may receive and store configuration data intrinsic to the tire. Based on pressure measurements and the configuration data, the device generates and stores advanced data relating to use of the tire over time. Following reception of new configuration data, the method includes: detecting a tire change based on the previously stored configuration data and the newly received configuration data, if a tire change is detected: erasing the advanced data from the memory means of the device, if not, retaining the advanced data in the memory of the device.
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
A system of at least two units that transmit and/or receive a signal at a first or a second frequency, respectively, each of the units being individually connected to the antenna, which is common to a first branch and to a second branch, respectively. The first branch or the antenna includes first passive electronics preventing passage of the signal at the second frequency to the first unit and allowing passage of the signal at the first frequency to the antenna. The second branch or the antenna includes second passive electronics preventing passage of the signal at the first frequency to the second unit and allowing passage of the signal at the second frequency to the antenna.
H01Q 5/50 - Feeding or matching arrangements for broad-band or multi-band operation
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
H01Q 5/35 - Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H01Q 5/328 - Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
A method for adjusting the periodicity of wireless communications between a tire pressure monitoring system for a motor vehicle and a smart device for a user of the vehicle in question is disclosed. On the basis of the position and any movement of the user's smart device in the environment of the vehicle, the periodicity of the alternation, by the different units of the system, of phases of transmission/polling of ultra high frequency signals with standby phases is modified.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
16.
Method for determining station names of a list of radio stations
A method for decoding the name of detected radio stations, the method being implemented by a receiving system including at least one radio receiver, each of the received radio signals including a digital datum corresponding, at least intermittently, to the name of the radio station, the method including the following steps: for each radio station belonging to a list of radio stations preselected from the detected radio stations, a first decoding of the digital datum at a first sampling frequency, in order to determine a probable name; for any detected radio station not belonging to the list of preselected radio stations, a second decoding of the digital datum at a second sampling frequency lower than the first, in order to determine a probable name; and measuring a quality of the radio signal and inhibiting the first and second decodings if the quality of the signal drops below a preset threshold.
H04H 60/44 - Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast stations
H04H 60/43 - Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast channels
17.
Method for updating a list of stations that can be received by a radio receiver system
Disclosed is a method for updating a list of radio stations that can be received by a receiver system including at least two radio receivers, the method including: ⋅determining a list of radio stations that can be received at a given instant, ⋅measuring the quality of a current radio signal, corresponding to a frequency selected and listened to, ⋅determining the ageing of the list of receivable radio stations, ⋅comparing the quality with a configurable threshold that can be upgraded at least as a function of the ageing of the list, ⋅if the quality exceeds the configurable threshold, deactivating the phase diversity filtering function and evaluating the change in the quality of the received signals and, ⋅as a function of the evaluation:—automatically updating, or—keeping unchanged the list of receivable radio stations.
H04B 1/18 - Input circuits, e.g. for coupling to an antenna or a transmission line
H04H 60/64 - Arrangements for services using the result of monitoring, identification or recognition covered by groups or for providing detail information
H04W 72/08 - Wireless resource allocation based on quality criteria
H04B 1/10 - Means associated with receiver for limiting or suppressing noise or interference
An electronic unit suitable for being positioned on an internal face of a tread of a tire with a view to measuring operating parameters of a vehicle wheel equipped with the tire. The electronic unit includes: a body, configured to be embedded into the thickness of the tire, in a housing provided for this purpose, and includes sensors dedicated to measuring operating parameters of the wheel, a head, arranged at one end of the body, including a circuit board for managing information output from the sensors of the body and a way of communicating with a central unit installed in the vehicle; a way for connecting the elements with which the body is equipped and the elements with which the head is equipped; and a way to supply the electronic unit with power.
A device for detecting the intention to lock or unlock a vehicle opening element integrated into a handle and including a housing, a variation in the position of a target occurring under pressure from a user on the handle. A primary coil has turns wound in a plane parallel to the plane of the surface of the target. A receiver secondary coil that receives a magnetic field induced by the primary coil and has its turns wound in a plane parallel to the plane of the turns of the primary coil and with the target at least partially intercalated between the primary and secondary coils when pressure is applied to the handle. A variation in the magnetic field received by the secondary coil is detected by a measurement device for measuring a parameter resulting from the voltage induced in the secondary coil.
E05B 81/76 - Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by handles
G01L 1/12 - Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
G01V 3/10 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
A method for automatic calibration of a camshaft sensor for a motor vehicle. The sensor includes a processing module configured to generate, from a raw signal indicative of the variations in a magnetic field which are caused by the rotation of a toothed target and measured by a cell, an output signal indicative of the moments at which the teeth pass past the cell. The calibration method makes it possible, for each tooth, to determine a switching threshold not only as a function of a local minimum and of a local maximum for the tooth during the preceding revolution of the target, but also as a function of a corrective value calculated from a local maximum and/or a local minimum of the raw signal during the passage of a preceding tooth past the cell during a new revolution.
G01C 17/38 - Testing, calibrating, or compensating of compasses
G01D 5/244 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
A method for monitoring the transmission of a safety audio message to the occupants of the passenger compartment of a vehicle. The method including transmitting an audio signal comprising the safety audio message and, mixed with said safety audio message, an identification signal including an identification digital audio message that is looped and frequency modulated, recording the ambient sound in the passenger compartment using a microphone, filtering and demodulating the signal to reconstruct the identification signal, analyzing the reconstructed identification signal to determine: whether the unique identifier corresponding to the transmitted safety audio message is found therein, and whether the time for which the identification signal was transmitted without interruption is indeed equal to the known duration of the safety audio signal, determining that the safety audio message has or has not been correctly transmitted in its entirety depending on the analyzing step.
A system for detecting the operation of the motor or engine of a motor vehicle equipped with at least one tire-pressure-monitoring-system transmitter including: a low-frequency stage including a resonant stage connected in series with an antenna, a processing stage, a first switch and a second switch, the first switch being connected to at least two capacitors so as to control the parallel connection of at least one of the capacitors, the second switch being connected to at least two resistors so as to control the parallel connection of at least one of the resistors, outputs of the low-frequency stage being arranged to receive input from the processing stage, in order to transfer the perceived signal to a processor of the signal, which is configured to compare the level of the perceived signal to a preset threshold level.
B60C 23/02 - Signalling devices actuated by tyre pressure
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
23.
Method for determining the thickness of a motor vehicle tire
A method for determining the thickness of a tire of a motor vehicle being equipped with at least a tire pressure monitoring sensor placed in contact with the internal wall of the tire facing the tread, including the following steps: at least two successive reference times are determined; at least one instant of passage of a half-deflection angle is determined; the half-deflection angle is determined; then the value of a mean external radius, which radius is estimated in a range of angular positions, is determined; a value of a mean internal radius, which radius is estimated in a range of angular positions, is determined; then the thickness of the tire being the difference between the mean external radius and the mean internal radius.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
G01B 21/08 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
G01L 17/00 - Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
G01P 15/08 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values
G01S 19/01 - Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
24.
Optical-effect touchpad on a steering wheel for finger detection
A system for detecting command gestures made by a finger of a motor vehicle driver, including at least one interface pad, a light source that emits an infrared optical beam toward the interface pad, an imaging sensor, in order to capture images steered by the interface pad away from the driver, the interface pad including a base frame and a movable plate that is movable between a rest position and at least one activation position, the base frame including a first inclined edge and the movable plate including a second inclined edge, the first and second inclined edges forming a zone of contrasts of interest as seen by the imaging sensor, and being separated by a space or brought closer together depending on the position of the movable plate, and generating a contrast effect in the images of the interface pad that are captured by the imaging sensor.
G06F 3/042 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
G06F 3/0354 - Pointing devices displaced or positioned by the user; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
B62D 1/06 - Rims, e.g. with heating means; Rim covers
A device for near-field communication with a portable user apparatus, includes: a first communication antenna located on a first carrier; a first device for activating the first antenna located on a second carrier, which is facing the first carrier and mechanically connected to the first carrier by pads. The pads are made of conductive metal and the device also includes: a second antenna, a first winding portion of which is located on one end of the first carrier and a second winding portion of which is located on one end of the second carrier, the two ends facing one another. The first portion and second portion of each winding electrically connected by a pad, the second antenna emitting an electromagnetic field, a main component of which is perpendicular to a main component of the electromagnetic field emitted by the first antenna; and a second device for activating said second antenna.
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set
26.
Electronic device for determining the angular position of a motor vehicle shaft
Disclosed is an electronic device for determining the angular position of a shaft of a motor vehicle, the device including a printed circuit board and a magnetic guide including at least two fastening tabs for fastening to the printed circuit board, the printed circuit board including a base substrate and at least two fastening areas for fastening the magnetic guide, each designed to receive a fastening tab of the magnetic guide, the fastening tab defining a fastening orifice. Each fastening area is defined on the base substrate of the printed circuit board and includes a pad fastened to the base substrate. Each fastening tab is joined to the pad of the corresponding fastening area by way of an adhesive that is applied in its fastening orifice.
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
27.
Near-field communication and ultra high frequency device
A device for near-field and ultra-high-frequency communication, the device includes a near-field-communication antenna, an ultra-high-frequency antenna, a control unit including a controller for controlling the ultra-high-frequency antenna and a controller for controlling the near-field-communication antenna, a first carrier on which the NFC antenna is located, a second carrier on which the control unit is located, the first carrier and second carrier being located one above the other and connected by mechanical support pins, it is proposed that the ultra-high-frequency antenna be located on the first carrier and be connected to the control unit via: a first connection located on the first carrier, at least one pin made of conductive metal, and a second connection located on the second carrier, so as to produce a bidirectional ultra-high-frequency antenna.
H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
28.
Carrier for a battery for supplying power to an electronic circuit
An electrical connection system for connecting two electrical devices, including at least one elastic contact integral with a first electrical device and in elastic abutment against a second electrical device so as to form an electrical connection. The at least one elastic contact being able to deform in a deformation plane. At least one wall placed so that the elastic contact is placed between the wall and the second electrical device in the deformation plane. The at least one elastic contact, the at least one wall, and the second electrical device being coated in a protective material after assembly.
A valve with elastic deformation and having a tubular core adapted to form an internal air passage from an external longitudinal end of the valve to an internal longitudinal end, the tubular core being at least partially surrounded by a sleeve of elastically deformable material and having a bulb shape widening in proximity to the internal longitudinal end of the valve and ending in an internal longitudinal bulb end. A cup made of rigid material includes a first portion facing an internal longitudinal bulb end face and at least one second portion curved away from the internal longitudinal end of the valve, the cup serving as a way of limiting deformation of the bulb.
A method for synchronizing acquisition of an analog signal value with a read signal for a state of an electrical contact of a motor vehicle. The method includes: controlling, at each start time of the first task, the power supply module so that the power supply module generates a read signal voltage pulse at the interface module input; at the same start time, triggering a counter for a predetermined duration shorter than the duration of the read signal voltage pulse; on the expiration of the counter duration, measuring the value of an analog signal generated by the interface module based on the state signal and of the read signal; and controlling, at the next start time of the second task, the power supply module so that the power supply module generates a zero voltage signal at the interface module input until the next start time of the first task.
A method for transmitting in a passive activation system in a motor vehicle. Between each use-case module and a protocol driver an intermediate management layer is inserted that receives requests from the modules and stores them in a list according to oldness and priority ranking, selects a main request with the highest priority ranking, selects requests compatible with the main request, sends at least one grouped signal corresponding to the main and compatible requests to a portable activation device, receives back from the activation device at least one signal transmitted to the intermediate layer allowing the activation device to be located and then the location thereof to be sent to the case modules that sent the main request or a compatible request, and deletes the main and compatible requests from the list.
B60R 25/24 - Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
32.
Method for determining the instantaneous frequency and phase of a periodic signal
A method for determining the instantaneous frequency and phase of a periodic signal includes: acquiring a periodic signal characteristic of the frequency to be determined and a particular point of which is characteristic of a reference of the phase of the signal; identifying, by optimization, a reference sequence in at least one consecutive portion of the signal; determining a temporal evolution of the frequency of the signal by computing a function of the lag between the identification of the reference sequence in at least one consecutive portion of the signal; determining an instant corresponding to a point characteristic of a reference of the phase of the signal in the course of the period of the signal, and deducing therefrom the temporal evolution of the frequency, the instantaneous phase of the signal with respect to the point characteristic of phase reference.
The invention relates to a crankshaft, transmission or camshaft sensor (10) for a motor vehicle, intended for being connected to an engine control unit (30) by a cable (20). The sensor comprises a processing module (17) and a voltage-modifying circuit (18) configured to generate an output signal via an output port (12) of the sensor (10) allowing a diagnosis module (36) of the engine control unit (30) to detect and identify faults of the sensor (10) or the cable (20). In particular, the processing module (17) is configured to provide on its output port (172), when the toothed target (14) is immobile, a predetermined pattern representing the fact that the toothed target (14) is immobile, this predetermined pattern corresponding to a status change of the output port (172) of the processing module (17) with a predetermined time and repeated periodically. The invention likewise relates to a diagnosis system (1) comprising such a sensor (10), a cable (20) and an engine control unit (30). The invention also relates to a diagnosis method (50) implemented by said diagnosis system (1).
G01D 5/24 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
G01D 5/244 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
34.
Optical-effect touchpad on a steering wheel for finger detection
A system for detecting command gestures made by a finger of a driver of a motor vehicle, the system including an interface pad, a light source that emits in the infrared toward the pad, an imaging sensor, for capturing images steered by the pad away from the driver, with a base frame and a movable plate, an optical zone of interest seen by the imaging sensor being defined at the interface between the base frame and the plate, the pad including an elastic deformable seal interposed between the base frame and the movable plate, the seal being absorbent at the optical wavelengths of interest, the pad including a reflective strip behind the seal from the point of view of the camera, so that the seal forms a zone that appears dim to the camera, the size of the dim zone depending on the pressure exerted on the plate.
A tire monitoring system electronic unit suitable for being mounted either on the tire inflation valve or on the internal surface of the tire. The system includes electronics for managing the electronic unit including sensors for measuring parameters of the tire, a microprocessor and a supply battery, and an antenna configured to be mountable on the management electronics; a way of securing the antenna and the electronic managing device to each other; the management electronics thus forming a common base capable of being used with an antenna that can be adapted to the intended location of the electronic unit, either on the tire inflation valve or on the internal surface of the tire.
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
36.
DEVICE FOR AUTOMATIC DETECTION OF COUPLING BETWEEN ELECTRONIC DEVICES
The invention relates to a computer (4) comprising a hardware interface (100), characterised in that the hardware interface (100) includes a first resistor (110) with a first pin (110_1) of the first resistor and a second pin (110_2) of the first resistor, a second resistor (120) with a first pin (120_1) of the second resistor and a second pin (120_2) of the second resistor, a transistor (130) and a comparator (140); the first pin (110_1) of the first resistor being coupled to the first hardware interface pin (100_1) as well as to a first transistor pin (130_1).
Sensor (20, 20') for supplying a piece of detection information in the form of a variation in a current, comprising a sensing portion (22, 22') suitable for detecting the passage of a moving target, an electronic module (24, 24') capable of controlling and shaping signals from the sensing portion (22, 22'), an on-board intelligence module (26, 26') suitable for, inter alia, receiving information from an electronic processor (4) and for processing and generating information intended for the electronic processor (4), characterised in that the sensor (20, 20') comprises a module for generating a random number (28, 28') which is capable of generating a random number.
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
38.
DETECTION OF ROAD SPEED REDUCERS BY MEANS OF AUTOMATIC LEARNING
The present invention relates to methods (100, 300) and to a set of computer programs for detecting the passage of a road vehicle on a road speed reducer. The general principle of the invention is based on the detection of the passage of a road vehicle on a road speed reducer by means of automatic learning (in English "machine learning").
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
B60W 40/12 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to parameters of the vehicle itself
G07C 5/02 - Registering or indicating driving, working, idle, or waiting time only
G08G 1/01 - Detecting movement of traffic to be counted or controlled
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
39.
FLEXIBLE NON-MAGNETIC AND METALLIC TARGET FOR AN INDUCTIVE SENSOR
The present invention relates to an assembly of a non-magnetic and metallic target (40) for an inductive sensor and its support (1), the target (40) being flexible under pressure and release of said pressure, in a reciprocating movement towards and away from the support (1). The target (40) comprises a central portion (2) surrounded by flexible fixing tabs (4), a first end (4a) of which is secured to the central portion (2) and a second end (4b) of which is fixed to the support (1), the fixing tabs (4) being evenly distributed around the central portion (2), a first portion (4c) of each fixing tab (4) closest to the central portion (2) being stiffer relative to a portion (4d) of the fixing tab (4) farthest away from the central portion (2).
Current source sensor (20, 20') that is designed to deliver detection information in the form of an intermediate signal by selectively applying a low-level or high-level current to a communication bus (30) depending on the passage of a mobile target, the sensor comprising a sensitive portion (22, 22') designed to detect the passage of the mobile target, an electronic module (24, 24') able to control and shape the signals coming from the sensitive portion (22, 22'), an embedded intelligence module (26, 26') designed, inter alia, to receive information from another sensor (20, 20') through a first signal present on the communication bus (30), the first signal being the sum of the abovementioned intermediate signal generated by the sensor (20, 20') and another intermediate signal generated by the other sensor (20', 20), wherein the embedded intelligence module (26, 26') is designed to modify a first low level and a first high level of the intermediate signal, respectively, into a second low level and into a second high level depending on the first signal.
G01D 5/244 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
G01D 21/00 - Measuring or testing not otherwise provided for
41.
Optical-effect touchpad on a steering wheel for finger detection
Disclosed is a system for detecting command gestures made by a finger of a driver of a motor vehicle, including an interface pad, a light source that emits an optical beam in the infrared band toward the interface pad, an imaging sensor, for capturing images steered by the interface pad away from the driver, with a base frame and a movable plate, an optical zone of interest seen by the imaging sensor being defined at the interface between the base frame and the movable plate, the interface pad including an elastic deformable seal interposed between the base frame and the movable plate, the deformable seal including a first inclined facet, so that an optical path passing via the first inclined facet is proportionally modified by the deformation of the seal under the effect of the movement of the movable pad.
G06F 3/0354 - Pointing devices displaced or positioned by the user; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/042 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
H03K 17/94 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the way in which the control signals are generated
The present invention concerns a method for estimating the distance separating an authentication device (20) from a vehicle (10), in particular a motor vehicle, the vehicle (10) comprising a computer and a plurality of communication modules capable of communicating with the device (20) by exchanging signals on a wireless communication link (L1), each communication module comprising an electronic clock that defines the sampling frequency at which the signals received from the device (20) are sampled. The method comprises a plurality of measurement phases each comprising a determination, by the computer, of the distance separating the vehicle (10) and the device (20) and a stop and restart of the electronic clock, and an estimation of the actual distance separating the vehicle (10) and the device (20) based on the plurality of distances determined during the measurement phases.
Method for controlling an engine control unit which includes at least two microprocessor cores, including steps of executing a parent subtask (FA1, FB1) and at least one child subtask (FA2, FB2). The method includes the following steps: - determining the number of executables (R) that are still to be executed in the last child subtask (FA2) in the first period (9A) when the parent subtask (FB1) in the second period (9B) starts; - determining the number of executables (R) that have already been executed in the parent subtask (FB1) in the second period (9B) when the last child subtask (FA2) in the first period (9A) ends.
122) the measured temperature value with a second threshold if the measured temperature has increased by a value greater than or equal to a threshold difference or, if the measured temperature value is greater than or equal to the second threshold and greater than or equal to a third threshold or greater than or equal to a second threshold during a second time interval, detecting (E7) a risk of blowout of the tyre.
A method for securely accessing a motor vehicle whose opening elements are locked and unlocked through wireless communication between a portable access device and an access control module on board the vehicle. The method includes authenticating the device with the access control module, unlocking the vehicle when the device has been authenticated, periodically transmitting, by way of the access control module, an interrogation signal into at least part of the passenger compartment of the vehicle intended for the device following unlocking of the vehicle, upon each reception by the device of said interrogation signal, triggering a first timeout the duration of which is greater than the transmission period of the interrogation signal, and deactivating the device when the first timeout has expired and the immobile state of the device is detected.
The invention relates to a handle (6) for a motor vehicle opening element (8), said handle being equipped with an ultra-high-frequency antenna (2) with means for transmitting and receiving a signal at a predetermined wavelength (λ), a device for detecting the approach and/or contact of a user, a printed circuit board (3) and at least one connection cable (7) intended for electrically connecting the printed circuit board (3) to an electronic control unit (15). Said at least one connection cable (7) has a section (9, 9a) either projecting from the rest of said at least one connection cable (7) or surrounded by an electromagnetically insulating coating (16) coaxial to said at least one connection cable (7), a length of the projecting section (9) or a length of the coaxial coating (16) being equal to one quarter of said predetermined wavelength (λ) with a tolerance of +/-20%.
The invention concerns a method for controlling an injector in a common rail system comprising the following steps: detecting (E2) an increase between an observed static flow rate and a reference static flow rate and determining (E3) a corrected rail pressure setpoint (Pcor) ensuring the same quantity of fluid injected with the observed static flow rate as that injected with a reference pressure (Pref) and the reference static flow rate. The invention therefore advantageously helps keep the same period of injection.
A method for determining the distance between an authentication device carried by a user, and a motor vehicle (100), each comprising a wireless communication module (50) in order to exchange a data frame, said data frame being modulated by changing the phase of a reference signal (S). The method comprises the steps of a modulated reference signal (S) sent by the device being received by the vehicle, of demodulating the received signal (S) in order to extract therefrom a component in phase (I) and a component in quadrature (Q), of calculating the power value of the signal (S) on the basis of the value of maximum amplitude of the component in phase (I) and of the value of maximum amplitude of the component in quadrature (Q), and of determining the distance between the device and the vehicle on the basis of the calculated power value.
The subject matter of the present invention is a method for estimating the distance separating a vehicle and an authentication device, said vehicle comprising a computer and a plurality of communication modules capable of communicating with said device over a wireless communication link, each communication module comprising an electronic clock that defines the sampling frequency of the signals received from the device. The method particularly comprises steps of adding (E8) noise to a response signal received from the device, sampling (E9) the noisy response signal, detecting (E10), at a second instant, the noisy response signal when the amplitude of said noisy response signal exceeds a predetermined detection threshold, computing (E12) the elapsed time between a first instant and the second instant and estimating (E13) the distance between the vehicle and the device on the basis of the computed time.
The present invention concerns a method for characterising the curvature of a section of road, comprising the steps of: a) selecting, from the points of the section, the points marking a curvature of the section, b) calculating, for each selected point of the section lying between the second and the penultimate, a section curvature indicator at this point, the section curvature indicator at a point being equal to the variation in the angle of the section at the current selected point, divided by the distance between the current selected point and the previous selected point, c) identifying each bend lying within the section of road, each bend comprising a set of selected points of the section in succession, and d) for each bend lying within the section of road, comparing the curvature indicator of at least one of the points of the bend with a predetermined threshold, and e) if the curvature indicator calculated for at least one of the selected points of the bend exceeds the predetermined threshold, recording, in a database of bends, a set of data comprising at least all the points of the bend, and a piece of characterisation data characterising the curvature of the bend. A bend warning device for a vehicle driver is also disclosed.
B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
G01C 21/32 - Structuring or formatting of map data
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
The subject of the present invention is computer systems (100) and methods (300) for updating and/or completing a digital road map (200) by crowdsourcing. The general principle of the invention is based on generalizing the geolocation systems which are incorporated within the majority of current road vehicles. The invention takes advantage thereof and uses signals collected by these geolocation systems to update and/or complete a digital road map by crowdsourcing. In particular, the collected data make it possible to extract data on geographic routes associated with vehicles traveling the road network and: - to extract, for each geographic route, a trajectory curve that passes substantially through all of the measurements of the geographic route; to detect the inflection points on each trajectory curve, referred to hereinafter as vertices; - to group all of the vertices together into a plurality of vertex classes, using an unsupervised classification algorithm; - to select the centermost vertex from each vertex class, referred to hereinafter as representative; - to form, from each geographic route, a route segment between representatives which successively intersect the path of the geographic route when they are taken pairwise.
The present invention relates to a method for determining a state of alertness of a driver in a vehicle (1) using a predetermined image analysis algorithm. The method comprises, in particular, a step of executing the predetermined algorithm on the generated sequence of images in order to detect a series comprising at least one movement of the head of the driver (2), a step of determining the speed and/or amplitude of each identified movement as well as dynamic and static periods of the head of the driver, a step of detecting dynamic and static periods of the head of the driver and of measuring the frequency and duration of each period and a step of determining a state of alertness of the driver (2) using the speed and/or amplitude determined for each identified movement and the frequency and duration of each detected period.
The present invention relates to a method for determining a drowsiness level of a motor vehicle driver based on a predetermined algorithm for analysing images, the vehicle comprising a camera (11) and a processor (12), the processor (12) carrying out the predetermined algorithm based on a set comprising at least one parameter relating to the attitude of the driver, the method, which is carried out by the processor (12), comprising a phase of learning (PH1) and a phase of surveillance (PH2) of the state of the driver.
G08B 21/06 - Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
G08B 29/18 - Prevention or correction of operating errors
G08B 29/20 - Calibration, including self-calibrating arrangements
A61B 5/18 - Devices for psychotechnics; Testing reaction times for vehicle drivers
B60K 28/06 - Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
54.
METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE WITH LEARNING OF ATMOSPHERIC PRESSURE
Method for controlling an internal combustion engine provided with a crankshaft position sensor, an admitted-air pressure sensor and a fresh air intake throttle valve, comprising the following steps: • determining the rotational speed of the internal combustion engine as a function of the derivative of the position of the crankshaft with respect to time, • determining the intake-air pressure for a first position of the crankshaft corresponding to 180° before combustion top dead centre, • determining the intake-air pressure for a second position of the crankshaft corresponding to 390° before combustion top dead centre, • determining an atmospheric pressure learning pressure threshold as a function of the rotational speed of the internal combustion engine, • determining whether the difference between the intake-air pressure for the first crankshaft position and the intake-air pressure for the second crankshaft position is below the atmospheric pressure learning pressure threshold, • if so, commanding the learning of the atmospheric pressure by applying a first-order filter to the intake-air pressure for the second position of the crankshaft, and • controlling the internal combustion engine according to the learned value of the atmospheric pressure.
The present invention relates to a method for managing frames in a computer providing an operational function and a gateway function between two communication buses in order to transmit messages from a transmitter to a receiver, comprising the steps of: a. receiving (401) messages from a transmitter via the first bus; b. storing (402) the received messages; c. triggering (403) an interruption of the execution of an operational program causing the processing of the stored messages for transmission to the receiver via the second bus; d. deactivating (405) the interruption in order to continue the execution of the functional program, after the expiry (404) of a duration (D1) and at the end of the processing of a message being processed during said expiry; and, e. triggering (407) a new interruption at the end (406) of a timer of a duration (D2) of the execution of the operational program causing the continuation of the processing of stored messages for transmission to the receiver via the second bus.
A method for locating at least one wheel of a vehicle, the wheels each being equipped with an electronic device which sends a wheel rotation signal to a central unit, a speed sensor for each wheel which supplies a signal to the central unit. For each electronic device, at least two sequences of several acquisitions are performed by formation of the signal with simultaneous acquisition by the central unit of the signal transmitted by each speed sensor. A pairing is performed of the two signals for an electronic device with each of the wheel speed signals. For each pair, a phase offset is measured between the two signals. When a constant phase offset is measured in the pairs with a speed sensor, the electronic device associated with the signal is identified as being assigned to the wheel associated with the speed sensor.
A method for automatic calibration of an engine camshaft sensor, the engine including at least one camshaft, a coded toothed target associated with this camshaft and a magnetic field sensor placed in the vicinity of the target to detect magnetic field variations induced by passage of the target's teeth in the vicinity of the sensor, the sensor delivering an electrical signal representative of teeth and gaps of the target depending on a predetermined switching threshold as a function of the magnetic field's amplitude, the method continuously measuring the value of the magnetic field. The method calculating switching thresholds of the leading edges of the teeth over a new turn of the target to improve the precision of detection of the leading edges of the teeth.
G01D 18/00 - Testing or calibrating apparatus or arrangements provided for in groups
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
58.
METHOD FOR ANTICIPATING THE APPEARANCE OF A SMOOTH COMBUSTION PHENOMENON IN A HEAT ENGINE
The invention relates to a method for anticipating the appearance of smooth combustion in a heat engine. An angular range (F) for detection is split into a plurality of intervals (I) with an identification of the interval (Iid) in which the pre-ignition phenomenon is detected, the identified interval (Iid) being localised in relation to the lower bound (Bi) of the range or in relation to at least one preceding interval for which a pre-ignition phenomenon had been previously detected. When a first increment, representative of the localisation of the identified interval (Iid) in relation to the lower bound (Bi) and increasing near the lower bound (Bi), is greater than a first incrementing threshold or when a second increment, increasing in proportion to the difference in distance from the lower bound (Bi) between the preceding interval and the identified interval (Iid), is greater than a second incrementing threshold, the appearance of smooth combustion is anticipated.
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
G01L 23/22 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
The invention relates to a voltage converter (1) receiving as input a primary DC voltage (2) that is variable within in a large voltage range, and outputting a first regulated secondary DC voltage (3) and a second non-regulated secondary DC voltage (4), comprising a buck converter with a choke coupled to two outputs (5), characterized in that it further comprises a boost converter (6) arranged upstream from the buck converter (5) suitable for raising the primary voltage (2) when activated and a charge pump module (7) arranged between the second secondary voltage (4) and the first secondary voltage (3) suitable for balancing the loads when activated, the activation of the boost converter (6) and of the charge pump module (7) being simultaneous.
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
60.
ELASTICALLY DEFORMABLE INFLATION VALVE WITH A NON-AXISYMMETRIC VALVE BODY STEM
"snap-in""snap-in" inflation valve, in which the shape of the cross-section of the metal stem (302), in a longitudinal portion of the valve body that comprises a groove allowing it to be forcibly inserted into an opening in the rim, is a shape comprising at least two different radii of curvature respectively on two different sections of its circumference. In particular, the value of one of the two radii of curvature is greater than the distance between the longitudinal axis (209) passing through the centre of the valve and the outer casing (201) of the stem.
The subject of the invention is a method of demodulation of a multiplexed stereophonic signal (S(f)), the signal comprising a signal, termed sum signal (G+D), a signal, termed difference signal (G-D), and a pilot signal, the method comprising the following steps: eliminating the pilot frequency from the multiplexed stereophonic signal (S(f)), the resulting signal being called pilotless signal (S2(f)), and subtracting the sum signal (G+D) from the pilotless signal (S2(f)).
H04H 40/45 - Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast receiving
62.
METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE FOR HEATING FUEL
Method for controlling an internal combustion engine provided with a fuel pump (1) equipped with a digital intake valve (2), comprising the following steps: - the fuel pump (1) is put into heating mode by commanding the closure of the digital intake valve (2) and then by commanding the setting in rotation of the fuel pump (1) at a predetermined rotational speed, - when a predetermined time has passed, the fuel pump (1) is put into fuel injection mode so as to increase the pressure in the injection common rail in order to inject fuel for starting the internal combustion engine.
Method for controlling an internal combustion engine equipped with fuel injectors connected to a fuel supply rail supplied with fuel by a fuel pump, the internal combustion engine being controlled according to an operating-point setpoint, the method comprising the following steps: - determining whether a new operating-point setpoint different from the ongoing operating-point setpoint has been received If it has, determining the maximum capacity of the pump according to determined values for the rotational speed of the internal combustion engine, for the quantity of fuel injected and for the fuel pressure in the injection common rail, - determining the rate of fuel consumption of the vehicle - subtracting the rate of fuel consumption of the vehicle from the maximum capacity of the pump in order to obtain the remaining capacity of the fuel pump, - determining the difference in the fuel delivery rate between the ongoing operating point and the operating point for the new operating-point setpoint, and if the remaining capacity of the fuel pump is less than the difference in fuel delivery rate, a reduced fuel delivery rate gradient setpoint is emitted with the new operating-point setpoint or the quantity of fuel injected is limited.
F02D 41/38 - Controlling fuel injection of the high pressure type
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
F02M 59/00 - Pumps specially adapted for fuel-injection and not provided for in groups
F02D 41/22 - Safety or indicating devices for abnormal conditions
64.
REDUCING AGENT METERING MODULE WITH HEAT TRANSFER COATING
The invention relates to a metering module (1) for a reducing agent intended for a selective catalytic reduction post-treatment for a vehicle, said module comprising: - a body (2) in which the reducing agent circulates, said body (2) comprising a first compartment (7) and a second compartment (11) separated by a sealed partition (9); and - a heating shell (12) partially surrounding the body (2) in the first compartment. The body (2) comprises a heat transfer coating (19) made of a thermoplastic elastomer material with a thermal conductivity of at least 3 watts per meter-kelvin, this heat transfer coating (19) comprising: - a first portion (18) arranged between the heating shell (12) and the body (2); - a second portion (20) partially surrounding the body (2) in the second compartment; and - thermal bridges (21) passing through the sealed partition (9) and connecting the first portion (18) to the second portion (20).
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
F01N 13/18 - Construction facilitating manufacture, assembly or disassembly
The invention relates to a printed circuit board (1) comprising electronic components (3), a substrate (2) provided with an array of conductor tracks (4) electrically connecting said electronic components (3) and a strain gauge (5A, 5B, 5C).
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01L 1/20 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
G01L 1/22 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
The invention relates to a multilayer printed circuit board (1) comprising a control circuit (1a) including n vias (3) that are connected in series between a first (4a) and a second (4b) electrical terminal so that an applied electric current flows at least partially through each of the n vias (3). The control circuit (1a) comprises track portions (20a to 23a; 20b to 23b) in each of the layers (10 to 13), each of the n vias (3) connecting a track portion of one layer to a track portion of another layer. The control circuit (1a) comprises means (6) for measuring a difference in potential across its terminals, means for storing a threshold value and means for comparing the difference in potential with the threshold value so as to validate the printed circuit board (1) if the difference in potential is below the threshold value.
The invention relates to a module (1) for metering a reducing agent intended for a selective catalytic reduction post-treatment for a vehicle, said module comprising: • a body (2) in which the reducing agent circulates; • a heating shell (4) at least partially surrounding the body (2); • at least one hydraulic coupling (3) in fluidic communication with the body (2); and • an elastic thermal bridge (17) between the heating shell (4) and the hydraulic coupling (3).
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
The present invention relates to an authentication reader (1B-1) intended for installation on a motor vehicle door, said reader (1B-1) comprising a microcontroller (10B), at least one transmitter (20B), at least one matching circuit (30B-1) and a single antenna, referred to as the "primary" antenna (L4), characterised by an operating frequency. The matching circuit (30B-1) comprises switching means (M1) able to switch said matching circuit (30B-1) between a first mode, in which the matching circuit (30B-1) makes it possible to match the primary antenna (L4) to a secondary antenna of an authentication device whose resonant frequency is lower than the operating frequency, and a second mode, in which the matching circuit (30B-1) makes it possible to match the primary antenna (L4) to a secondary antenna of an authentication device whose resonant frequency is higher than the operating frequency.
H03J 5/24 - Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
69.
METHOD FOR SYNCHRONISING AN INTERNAL COMBUSTION ENGINE
The present invention relates to a method for synchronising an engine comprising at least one movable piston of a four-stroke internal combustion engine, the method comprising a first step (e1) of initialising a second memory space, a second step (e2) of waiting for an edge on a fourth signal (CAM_TOT), a fourth step (e4) of testing the value of a counter (CPT), an eighth step (e8) of selecting the theoretical angular positions of the slots of the second signal (CAM_IN) relative to the edges of a first signal (CRK), and of the slots of a third signal (CAM_EX) relative to the edges of the first signal (CRK).
The present invention relates to a toothed wheel (1) for a camshaft, which forms a target for a camshaft position sensor, the toothed wheel comprising a circular body which comprises two opposite main faces, and at least six teeth distributed over the circumference of the circular body, each tooth having two edges, one corresponding to a rising edge and the other to a falling edge, according to a direction of rotation of the wheel, wherein the toothed wheel has a revolution asymmetry, characterized in that the six teeth are shaped in such a way that the toothed wheel comprises, when considering the same main surface (11A) and a same rotational direction of the wheel: - four edges (14) of a same first rising or falling type, which are spaced apart by 90°, respectively, and - six edges (15) of the same second respectively rising or falling type, which are spaced apart by 60°, respectively.
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01D 5/246 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains by varying the duration of individual pulses
G01D 5/247 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using time shifts of pulses
G01M 15/06 - Testing internal-combustion engines by monitoring positions of pistons or cranks
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
The invention relates to a method for processing signals from a crankshaft sensor (1), comprising the following steps: detection of an engine stoppage, simulation and transmission of a backward square wave (8), simulation and transmission of a forward square wave (9). The invention also relates to a processing module (6) configured to carry out such a method.
The present invention relates to a method for transmitting data frames, implemented by a gateway connecting a transmitter communication network and a receiver communication network. The method comprises a step of receiving (E1) a data frame sent by the transmitter communication network, said data frame comprising a source identifier of said transmitter communication network, a step of generating (E2) a priority index, representative of the priority level of the transmission of the data frame, from the source identifier, a step of registering (E3) the payload data in a registration table on the basis of the priority index, so as to rank the payload data according to its priority level, and a step of providing (E5) the registered payload data to the receiver communication network when the payload data has the highest priority level in the registration table.
The present invention relates to a method for selecting, using a first node, a data frame in order to transmit same on a communication network connecting first said node to a plurality of second nodes. The method comprises transmission (E1), on the communication network, of the priority level of the data frame to be transmitted, reception (E2) of the priority level of the data frame to be transmitted by each of the second nodes, comparison (E3) of the received priority levels with the priority level of the data frame to be transmitted, and, when the priority level of the data frame to be transmitted is not the highest with respect to the priority levels of the data frames to be transmitted by the second nodes, comparison (E4) of the priority level of all of the data frames to be transmitted by the first node and, following said comparison, selection (E5) of the highest-priority data frame to be subjected by the first node to the next arbitration phase.
The present invention relates to a method for controlling the powertrain of a motor vehicle between the current location of the vehicle and a destination point, comprising calculating (E2) a theoretical optimal traction force, determining (E3) a friction force applied to the vehicle, calculating (E4) an actual optimal force to be applied to the wheels up to the destination point and applying (E5A) a traction force to the wheels of the vehicle when the calculated actual optimal force is strictly greater than a predetermined threshold, or either not applying (E5B) a force to the wheels of the vehicle when the calculated actual optimal force is greater than or equal to zero and less than or equal to the predetermined threshold or applying (E5C) a braking force to the wheels of the vehicle when the calculated actual optimal force is strictly less than zero.
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
G05D 1/02 - Control of position or course in two dimensions
The present invention relates to a sensor (1) for detecting the presence of a user device by near-field communication for a motor vehicle, the sensor (1) comprising an antenna (50), an impedance adapter (40), an antenna control module (20), and a microcontroller (50) configured to control the control module (20), the impedance adapter (40) being capable of adapting the output impedance of the control module (20) to the impedance of the antenna (50) while amplifying the power supplied by the control module (20). The sensor (1) comprises a resistive module (30) which is mounted between the control module (20) and the impedance adapter (40) and configured to stabilise the the value of the input power of the impedance adapter (40).
The present invention relates to a method for controlling a vehicle heat engine speed, the engine comprising at least one combustion chamber, into which a mixture of air and fuel is injected, and an air box, configured to inject air into the combustion chamber and having an air flow controlled by a regulating butterfly valve, the regulating butterfly valve having a variable angular position, controlled by a predetermined position of an actuator. The method comprises the steps of evaluating (E1) a so-called "load" resistant torque resulting from a plurality of external loads applied to the engine, determining (E2), from the calculated load resistant torque, a position of the actuator, so as to determine an angular position of the regulating butterfly valve, and controlling (E3) said position of the actuator, so as to control the engine speed.
The invention relates to a method for synchronising a motor vehicle combustion engine. The method comprises the steps detecting (E1) the reference position of a first toothed wheel during a rotation of the crankshaft from the measurements sent by a first measurement sensor, detecting (E2) a plurality of rising and falling edges of the teeth of a second toothed wheel during a concomitant rotation of the camshaft from the measurements sent by a second measurement sensor, identifying (E3) the detected edges with a first tolerance threshold on the angular position of the camshaft from recorded positions of these edges in order to synchronise the engine, the recorded positions having been predetermined by learning from theoretical positions with a second tolerance threshold on the angular position of the camshaft, the first tolerance threshold being lower than the second tolerance threshold, and synchronising (E4) the engine based on the identified edges of the teeth of the second toothed wheel.
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F01L 1/00 - Valve-gear or valve arrangements, e.g. lift-valve gear
F01L 1/344 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
Method for supplying an inductive load (12) using an H-bridge supply structure (2) comprising a first block B1 of the steps allowing anomaly detection using a "DIAG ON" diagnostic method, a second block B2 of steps allowing anomaly detection using a "DIAG OFF" diagnostic method and lastly a third block B3 of steps allowing the detected anomaly to be differentiated and a short-circuit type anomaly in the inductive load (12) to be confirmed.
The present invention concerns a method for controlling the speed of an engine driving a disengageable device. The engine speed is controlled according to a first mode when the disengageable device is disengaged and according to a second mode when the disengageable device is engaged. The engaged or disengaged state is determined by implementing the following steps: - estimating the resistive torque applied to the engine by the disengageable device, - switching a binary value from a first value representative of the disengaged state to a second value representative of the engaged state when the estimated resistive torque is higher than a first predetermined threshold for a first predetermined time period, and - switching the binary value from the second value to its first value when, during a second predetermined time period, the estimated resistive torque is lower than a second threshold that may be equal to the first threshold.
The present invention relates to a method for controlling a DC/DC voltage converter for the current control of at least one fuel injector of a heat engine of a motor vehicle, the vehicle comprising a power supply battery and the converter comprising a coil and a switch. The method comprises the steps of measuring (E1) the value of the voltage delivered by the battery, determining (E2) a threshold value of the current passing through the coil using the measured value of the voltage and a predetermined curve of the current as a function of the voltage, and controlling (E3) the opening of the switch when the current passing through the coil attains the determined threshold value of the current in order to adjust the power of the converter.
F02D 41/20 - Output circuits, e.g. for controlling currents in command coils
H02M 3/155 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
Disclosed is a device for supplying an inductive load (12) comprising an H-bridge switching structure (2), the switching structure being capable of controlling a current in the inductive load (12) through a first control output (8) and a second control output (10), means for detecting anomalies suitable for generating anomaly detection information at the switching structure (M1-M4), the means for detecting anomalies comprising a first voltage generator (14), a second voltage generator (16), a first current measurement device (18), a second current measurement device (22) suitable for measuring a current at the output of the second voltage generator (16), a third current measurement device (26), a fourth current measurement device (28), a fifth current measurement device (30), a sixth current measurement device (32), the current measurement devices being suitable for respectively measuring the currents of the switches.
The present invention relates to a device (D') for detecting intention to lock or unlock a door (P) of a vehicle, comprising: • a first capacitive sensor comprising a first electrode (EA), able to detect the approach and/or contact of a human body part in a predetermined zone (Z2) around the handle (10'), • control means (MA) for controlling said first sensor, generating a first approach and/or contact detection signal (NA), the invention providing: • a second capacitive sensor comprising a second electrode (EB), able to detect the approach of a human body part in the predetermined zone, such that: - the first electrode (EA) and the second electrode (EB) each take the form of separate segments that are connected electrically to one another, - said segments of the first electrode and the second electrode are alternately juxtaposed, • control means (MB) for controlling said second sensor generate a second approach and/or contact detection signal (NB), • correlation means (Mc) calculate a correlation value between the first signal and the second signal, • validation means (MD) compare said correlation value with a predetermined value in order to detect the intention to lock or unlock the door.
G07C 9/00 - Individual registration on entry or exit
E05B 81/78 - Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by handles as part of a hands-free locking or unlocking operation
H03K 17/955 - Proximity switches using a capacitive detector
An apparatus for detecting the approach of a mobile device and for near-field communication with the device, includes an NFC antenna under a receiving surface, at least one matching component and an electronic control unit connected by a power supply line and capable of near-field communication with the mobile device. The detection apparatus includes: at least one conductive element; a selector, located on each side of the component and on each side of the conductive element, each having two positions: in a first position the component is connected to the power supply line and the conductive element is not; in a second position the conductive element is connected to the power supply line and the component is not; measuring a variation in an electrical parameter of the conductive element when the two selectors are in the second position to detect the approach of the mobile device toward the receiving surface.
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
84.
METHOD FOR DETECTING THE CLOGGING OF AN AIR FILTER
The present invention relates to a method for detecting a clogging of an air filter, comprising the following steps when the air passage section in an intake manifold is greater than a predetermined passage section: - measuring a pressure in the intake manifold at the end of an air intake phase in a cylinder, - measuring a pressure in the intake manifold at the end of the exhaust phase in a cylinder, - determining the clogging of the air filter according to a comparison made between, on the one hand, at least one pressure measured during at least one pressure measurement at the end of the air intake phase in a cylinder and, on the other hand, at least one pressure measured during at least one pressure measurement at the end of the exhaust phase, the filter being considered to be clogged when the comparison provides a value greater than a predetermined value.
Method for controlling an air-cooled internal combustion engine of a motor vehicle, said internal combustion engine being controlled by an electronic control unit which is provided with a means for determining the temperature of the intake air, comprising the following steps: • activating the electronic control unit, • setting the stored values of the temperature of the internal combustion engine and the filtered filter coefficient to a zero value, • during an iteration, - determining whether the internal combustion engine is in operation, determining a filter coefficient and a temperature setpoint according to the operating state of the internal combustion engine, - determining a filtered filter coefficient by first-order filtering of the filter coefficient, and the stored value of the filtered filter coefficient, - determining a temperature of the internal combustion engine according to the filtered filter coefficient, the temperature setpoint and the stored value of the temperature of the internal combustion engine, - determining whether the internal combustion engine is stopped and whether the difference between the engine temperature and the intake air temperature is less than a predetermined threshold, • if this is not the case, storing the filtered filter coefficient and the temperature of the internal combustion engine, the method subsequently resuming when it is determined, during a new iteration, whether the internal combustion engine is in operation • if this is the case, transmitting a signal authorising the shutdown of the electronic control unit.
A method for determining the position of a motor vehicle crankshaft provided with a rotary target comprising marks distributed in a uniform manner on its periphery and a signature, and a sensor configured to emit an electric signal comprising a succession of fronts appearing when a mark or the signature pass in front of the sensor, comprising the following steps: - at each front prior to the signature, - determining the date of detection of a front then estimating the date of detection of the next front depending on the speed of rotation of the crankshaft, - determining the date of detection of the next front then calculating the time difference between the estimated and determined date of detection of the front, - determining an angular error depending on the date of detection of the next front and the time difference, - if it is determined that the absolute value of the angular error is greater than a threshold, determining the presence of an abnormal front and storing the associated mark number in a first error list, - when the signature passes, - copying the first error list into the second error list if it does not exist, - adjusting an event counter depending on the error lists, and - if it is determined that the errors are not transient, correcting the fronts of which the mark number is stored in the second error list, then emitting a crankshaft position signal depending on the signal comprising the fronts.
G01D 5/244 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
The present invention concerns a method for synchronising an engine comprising a camshaft and a camshaft position sensor, the method comprising, at each detected tooth edge, the implementation of the following steps: - calculating a time signature of the detected edge, - comparing the time signature of the detected edge with a set of theoretical signatures of edges of the target comprising a theoretical signature for each edge of the target, the comparison being implemented with a tolerance, and - generating a synchronisation or synchronisation fault signal depending on the result of the comparison, the synchronisation method being characterised in that, when the engine speed drops below a predetermined threshold, the tolerance adopted for comparing the time signature of a detected edge with the theoretical signature of an edge of the target is reduced relative to the tolerance adopted for the same comparison before the engine speed has dropped below said threshold.
System for identifying road signs comprising: at least one radar (1) or lidar detection device, display devices including a plurality of road signs (2), each sign having at least one display face, each display device comprising one or more dihedrals or trihedrals (3) on the display face, each of the dihedrals or trihedrals having a surface radar or lidar echo equal to or greater than a predetermined threshold, in view of the radar or lidar detection device, at least one video camera (7), characterized in that the video camera uses the result of the radar or lidar detection device to circumscribe the analysis of video images on the positions in which a road sign or a display device has been identified by the radar detection device.
The present invention concerns a device for identifying sirens of priority vehicles and warning a hearing-impaired driver of a motor vehicle of the presence of at least one priority vehicle in the area surrounding his or her vehicle comprising at least one sound receiver (1a), a calculation unit (3) with means for analysing the sound track and means for comparing frequencies of the sound track with frequencies previously stored in storage means of the calculation unit (3) as being associated with a siren of a given priority vehicle, this being the case for each type of priority vehicle, and at least one visual and/or vibratory warning element (9, 7d, 7g) for warning the driver when the presence of a priority vehicle is detected in the area surrounding the motor vehicle.
G08G 1/0965 - Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle
B60Q 5/00 - Arrangement or adaptation of acoustic signal devices
G10L 25/51 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination
G10L 25/18 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
The invention relates to a method for synchronizing an internal combustion engine comprising at least one camshaft on which a target is mounted, a sensor for sensing the position of the camshaft, and a processing unit. In said method, a synchronization signal or asynchronization signal is emitted according to the ascertained direction of rotation of the target.
The invention relates to a prediction device (1) for predicting the most probable route of a vehicle (V), said device comprising a calculator (11) and a memory (10), the prediction device (1) being designed to train a model for predicting the most probable route from a set of vehicle route histories, each route history comprising a list of geographic coordinates, and to predict the most probable route of a vehicle (V) by applying the prediction model to localisation data of the vehicle (V), characterised in that the prediction device (1) is designed to train (100) the prediction model by: conversion (110) of each vehicle route history into a series of route segments, a route segment being a portion of a route comprised between two intersections or between an intersection and a dead end; production (120), by application of a language-processing model to all of the route segments of the vehicle route histories, of a vector space in which each route segment of all of the vehicle route histories corresponds to a vector; and supervised learning (130) of a neural network receiving a vector of the vector space at its input and generating a vector of the vector space at its output, on the basis of a set of series of two consecutive segments of all of the vehicle route histories.
The invention relates to a vehicle having an engine control unit (ECU) comprising means for detecting an imminent breakdown of the engine or an element associated with the engine, and a vehicle control unit (VCU) comprising geolocation means for locating the vehicle and a nearby structure for repairing an imminent breakdown as well as means for working out a route for reaching the structure and for locating at least one safe stopping area situated along said route, wherein the two units comprise means for receiving and transmitting information between them, and the vehicle control unit (VCU) sends a request for the temporary malfunction of the vehicle to the engine control unit (ECU) just before the vehicle moves past the at least one safe stopping area or the structure.
The present invention relates, in particular, to a device (10) for receiving a radio signal, capable of estimating a time of arrival of said radio signal. The receiving device includes a receiving module capable of receiving the radio signal, as well as a detection module configured for: • measuring a current supplied by an electrical power source to the receiving module, • detecting a current peak measured by the detection module, said current peak being caused by the reception of the radio signal by the receiving module, • determining the time of arrival of the radio signal as a function of the time of detection of the detected current peak.
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
G07C 9/00 - Individual registration on entry or exit
G01S 11/02 - Systems for determining distance or velocity not using reflection or reradiation using radio waves
G01S 13/74 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
G01S 13/76 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
94.
METHOD FOR DETECTING THE INTENTION TO LOCK OR UNLOCK A VEHICLE DOOR AND ASSOCIATED DETECTING DEVICE
One subject of the present invention is a device (D) for detecting the intention to lock or unlock a door of a motor vehicle, said device (D) comprising at least one first inductive sensor (A1), comprising a first target (20), an oscillating circuit (M1) comprising a coil (B), means for measuring a resonant frequency of said circuit (M2), and a printed circuit board (10), said device (D) being characterized in that it comprises a second inductive sensor (A2) comprising: - a second target (30) of loop shape, such that a first end (E1) of the loop is connected to a fixed potential, and a second end (E2) of the loop is connected to switching means (S1) having two states: - in a first state (P1), the second end (E2) of the loop is connected to said fixed potential, - in a second state (P2), the second end (E2) of the loop is connected to a floating potential, - means (M3) for controlling the switching means (S1), - the coil (B) of the first inductive sensor (A1) being common to the second inductive sensor (A2).
The invention relates to an identification system (1) configured to identify a driver of a vehicle after the vehicle has been started, the identification system (1) comprising a state detection module (2) configured to generate a first set of data containing information on at least one movement of a piece of equipment of the vehicle; an identification module (3) borne by a bearer and configured to generate a second set of data comprising data on the movements of the bearer, and a calculation module (10) configured to correlate the first set of data with the second set of data so as to determine whether the bearer and the driver are the same person.
A method whereby a central unit carried on board a motor vehicle can identify the wheels of a motor vehicle, by locating a radiofrequency black spot for transmissions between a wheel unit with which a wheel of a motor vehicle is equipped and a wheel-monitoring central control unit carried on board the vehicle, a wheel angle encoding independent of the transmission being in any case performed in order to measure the true rotation of the wheel at a given instant. A string of successive frames providing full angular coverage of the wheel is transmitted from the wheel unit, a receive rate for the frames being established and analyzed in order to detect at least one spot of poorer reception corresponding to the at least one black spot, the angle encoding providing an angle of rotation of the wheel at the instant of detection of the at least one black spot.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
B60T 8/171 - Detecting parameters used in the regulation; Measuring values used in the regulation
B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
97.
Method for pairing a measurement module mounted in a motor vehicle wheel
A method for pairing a measurement module with a wheel of a motor vehicle. The method is implemented by a computer and includes, for each received measured signal, determining the power of the measured signal, determining the angular orientation of each wheel and identifying, in a plurality of tables, a row and column pair including the determined power and the angular orientation of each wheel. The pairing being performed when, for a number of determined columns of each table higher than a first minimum threshold, the number of row and column pairs identified in one table is lower than a predetermined maximum threshold and the number of row and column pairs identified in the other tables is higher than a second minimum threshold.
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
G01B 21/22 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes
B60T 8/171 - Detecting parameters used in the regulation; Measuring values used in the regulation
The invention relates to a method for detecting the disappearance of a task in an environment comprising at least one recurring mother task (TM) which triggers, in nominal mode upon each occurrence, at least one daughter task (TF). The method comprises the following steps: evaluating a mother duration (DTMi) which has elapsed between the last occurrence (TMi) and the penultimate occurrence (TMi-1) of the mother task (TM), evaluating a daughter duration (DTFi) which has elapsed between the last occurrence (TFi) and the penultimate occurrence (TFi-1) of the daughter task (TF), comparing the mother duration (DTMi) and the daughter duration (DTFi); it is concluded that an occurrence of the daughter task (TF) has disappeared if the daughter duration (DTFi) is greater than the mother duration (DTMi), preferably by a margin.
The present invention concerns systems, methods and a set of computer programs for accurately locating the position of at least one road object associated with a portion of a road network. The general principle of the invention is based on determining the position of a road object using unsupervised classification based on distribution density. In the invention, the classification is applied in two phases. In the first phase, it is applied a first time to the plurality of geographical coordinates associated with a road object so as to automatically group it into homogeneous classes. In the second phase, it is applied a second time to each class produced in the first phase, so as to automatically group it into homogeneous sub-classes based on the azimuth angles of the road object that are associated with the geographical coordinates of the class.
G01S 5/16 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
G01B 11/00 - Measuring arrangements characterised by the use of optical techniques
G06K 9/62 - Methods or arrangements for recognition using electronic means
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
100.
PREDICTION OF A CARTOGRAPHIC READJUSTMENT PARAMETER BY DEEP LEARNING
The subject of the present invention is methods (300) for training models of deep learning (400), methods for predicting a cartographic readjustment parameter, methods for updating a digital road map, a computer program making it possible to implement the methods and devices (100) for updating a digital road map. The general principle of the invention is based on the use of automatic learning (or "machine learning"). Accordingly, in the invention, a statistical deep learning model is trained according to a so-called supervised automatic learning scheme. Thereafter, the pretrained statistical deep learning model is used to predict a cartographic readjustment parameter on the basis of a measurement of geographical coordinates and of an identifier of the position sensor that carried out the measurement of geographical coordinates. Finally, the cartographic readjustment parameter can be used to update a digital road map.
patents
