Abstract: A method for estimating the state of health of an electric or hybrid vehicle battery that can be carried out while the vehicle is running includes: (a) a full charge step; (b) a first relaxation step; (c) a step of discharging to a state of charge SOC?SOCtarget carried out in k vehicle driving cycles, for each of which the capacity Qn discharged by the battery is determined; (d) a second relaxation step at the end of the cycle k; (e) a step of determining a state of charge SOCOCV as a function of the open circuit voltage; (f) a step of determining an initial discharge capacity Qi of the new battery from SOCOCV; and (g) a step of estimating the state of health SOH of the battery from the total capacity discharged by the battery during step (c) and from Qi.

Abstract: A management system and method enables a more suitable estimation of the voltage of the cells connected to an interconnection bar so as to optimize the durability and operation of the performance of the processing device.

Abstract: A flying capacitor device, such as an inverter arm or a boost converter, includes a plurality of N switching cells which are nested in one another and a balancing circuit which is adapted to have a resonant frequency equal to the switching frequency of the transistors. The balancing circuit is connected, on the one hand, at a midpoint and at a terminal of a capacitor of the last cell.

Abstract: A method for creating an artificial horizon for a motor vehicle includes receiving input data relating to the motor vehicle and to its surroundings; determining different paths; and generating messages characterizing the artificial horizon, including long messages for characterizing events, each long message having multiple fields including at least a first field relating to a type of attribute characterizing the event and a second field indicating the value of the attribute. The first field can have at least two distinct values associated with a corresponding number of temporary event categories, the categories being separated according to their speeds and/or their positions relative to the motor vehicle.

Abstract: A method guides a motor vehicle equipped with a module for controlling lateral movement and with a steering system. The steering system limits an absolute value of a yaw rate of the motor vehicle to a maximum yaw rate. A rate of change in the yaw rate is between a minimum value and a maximum value. The method includes iteration of the following: selecting a rate of change in yaw rate, maximizing a virtual reference yaw rate depending on the rate of change in yaw rate and on maximum yaw rate, and transmitting the virtual reference yaw rate to the module for controlling lateral movement.

Abstract: A method for estimating the charge state of a battery includes initializing the charge state, including estimating an initial charge state value. The initializing includes: receiving a stored charge state value for a sleep mode time of the battery, computing a charge state value from a measurement of the no-load voltage at the terminals of the battery at a wake-up time of the battery, and computing an error in the measurement of the no-load voltage due to the relaxation of the battery. The error is computed as a function of the current temperature of the battery and of a target relaxation duration modelled for each temperature. The initial value of the charge state is computed based on a comparison between the recorded and computed charge state values and as a function of the error.

Abstract: A method autonomously controls at least one actuator of an automotive device. The actuator has an influence on the trajectory of the automotive device. The method includes acquiring parameters relating to the trajectory of the automotive device and to the speed of the automotive device, and having a computer calculate a control setpoint for each actuator, as a function of the parameters, using a controller. The controller used varies according to the speed of the vehicle.

Abstract: An electric vehicle control method including using a first motor and a second motor as travel drive sources, performing drive control on the first motor by transmitting a first torque command value to a first inverter, and performing drive control on the second motor by transmitting a second torque command value to a second inverter, and performing switching control of switching, based on a required drive force, the drive control on the second motor by the second inverter between an ON state in which the drive control is performed and an OFF state in which the drive control is stopped, wherein a torque fluctuation amount generated in the second motor during the switching control is calculated based on a rotation speed of the second motor, and the first torque command value is corrected based on the torque fluctuation amount.

Abstract: A method is for controlling a system for regulating a distance between a target vehicle and a following vehicle, with the regulation system being installed on the following vehicle. The method includes the implementation of a control law for regulating the distance which calculates, for a plurality of possible combinations of speeds of movement of the following vehicle and the target vehicle, potential setpoint distances, and, for a given combination of speeds of movement of the following and target vehicles, from the plurality of possible combinations, the determination of a final setpoint distance among the potential setpoint distances previously calculated by the control law.

Abstract: A vehicle includes a communication module capable of using two telecommunication identifier cards, one relating to a subscription between a constructor of the vehicle and a telecommunications operator, the other relating to a subscription between a user of the vehicle and a telecommunications operator. The vehicle includes a trusted execution environment hosting security functions of the vehicle and a multimedia system execution environment hosting at least a part of the communication module. The trusted execution environment includes a supervision module monitoring the connection between the vehicle and a remote management server of the vehicle.

Abstract: A connection that provides an electrical junction between a first portion of an electrically conducting bus bar and a second portion of the bus bar includes a male portion to be secured to the first portion of the bus bar and a female portion to be secured to the second portion of the bus bar. The male portion and the female portion are able to fit into one another respectively by following a first translational movement of the female portion relative to the male portion along a first axis, followed by a second rotational movement of the female portion relative to the male portion about a second axis perpendicular to the first axis.

Abstract: An assembly actively controls the rolling noise for a motor vehicle. The assembly includes a path control device that includes another sensor fastened on the steering knuckle, such as an accelerometer. The path control device is capable of transmitting, to the anti-noise device, measurements obtained by the other sensor. The anti-noise device is capable of generating an anti-noise signal depending on the acceleration measurements obtained and controlling its transmission via the loudspeaker.

Abstract: A method for detecting an exit lane for a motor vehicle includes: detecting, in images acquired by an onboard camera, marking lines on the ground on the right and on the left laterally delimiting the main traffic lane, determining first and second heading angles with respect to the detected marking lines, providing a first, standard exit lane detection state, based on the comparison of the first and second heading angles with a predetermined threshold, and providing a second, coaxial exit lane detection state, based on the comparison between the derivatives with respect to time of the variation of the first and second heading angles and of the verification that the value of the first or the second heading angle remains substantially close to a zero value.

Abstract: A control method for controlling the frequency of the input voltage of a DC-DC converter of a bidirectional electrical charger, operating in discharge mode, includes: defining a set voltage value, calculating a control frequency value of the DC-DC converter, obtained by inverting the gain of the DC-DC converter, as a function of an output battery voltage, a set input power, and the set input voltage; finely adjusting the DC bus by increasing/decreasing the frequency, and applying the control frequency thus calculated to the converter.

Abstract: A method supervises the operation of a motor vehicle included an ordered set of at least two automated systems. The method includes activating the supervision of the ordered set of automated systems and iterations of supervising an automated system. Each iteration is applied successively, according to the order of the ordered set, to one of the automated systems. The supervising including measuring a performance of the automated system being supervised, and optionally assigning a positive, negative, or zero score to the automated system being supervised on the basis of the measured performance.

Abstract: A module for a battery includes an enclosure, cells arranged within the enclosure, a space formed between the first main face of a cell and the second main face of an adjacent cell, the fluid occupying the space or spaces so as to cool the first main faces and/or the second main faces. The module includes flexible walls each extending facing and in contact with the first main face or the second main face of a cell and the flow rate of the fluid being controlled so as to make it possible to vary a pressure of the fluid applied to the flexible walls.

Abstract: A method for delithiating a lithium and transition metal nitride. The method involves mixing an oxidising agent with the lithium and transition metal nitride and recovering the material obtained. The transition metal may be Mn, Fe, Co, Ni, Cu, or a mixture thereof. The material obtained by the method may be used as a negative electrode material for a lithium-ion battery.

Abstract: A device estimates the electromagnetic torque of a three-phase synchronous electric machine including permanent magnets. The device includes: a first flux estimator including two integrators of electromotive force for estimating the respective components of the flux in a fixed two-phase coordinate system tied to the stator, an estimator for estimating the torque from the respective estimated-flux components, a second flux estimator that uses currents expressed in a rotating two-phase coordinate system tied to the rotor, with an observer for determining variables that characterize magnetic uncertainties of the machine with a view to correcting the flux estimation of the second estimator, and a detector for generating a signal for resetting initial flux conditions of the two integrators based on the flux estimation delivered by the second estimator, when the discrepancy between the estimated torque and a setpoint torque is higher than a predefined threshold.

Abstract: A casing for an electric machine includes an oil tank disposed on a lower part of the casing opposite an upper part of the casing. An oil pump is disposed between the oil tank and the lower part. The oil tank includes a funnel section oriented such that the smallest section is linked to a suction inlet of the oil pump and the largest section collects the oil running down in the casing.

Abstract: This management system (1) for managing a battery of accumulator cells (2) of an electric vehicle comprises a plurality of secondary controllers (7) coupled respectively to a plurality of accumulator cells (10) of the battery (2) and a primary controller (6) configured to determine the terms for equalizing the charge of the accumulator cells (10) when the management system (1) is in an active mode, the management system (1) comprising an inactive mode in which the terms by which the charges are equalized are determined only by the secondary controllers (7).