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 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 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 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: 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).

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: An electrical power supply for a hybrid or electric motor vehicle includes a first power source to supply a voltage network of the vehicle, a second power source to supply the voltage network of the vehicle and/or to recharge the first power source, and a control module to control a safety structure of the first power source and of the second power source. The electrical power supply includes a metal casing containing the first power source, the second power source, the control module and the safety structure. The safety structure is common to the two power sources.

Abstract: A method detects an electrical insulation fault between an electric power source and an electrical ground, via a circuit that includes a controllable voltage generator and an electrical measuring resistor connected in series between a terminal of the electric power source and the electrical ground. The method includes controlling the voltage generator to establish, between its terminals, a non-zero voltage value, and measuring the voltage at the terminals of the electrical measuring resistor to detect an electrical insulation fault between the electric power source and the electrical ground. The method further includes a computer determining, depending at least on the voltage measured at the terminals of the electrical measuring resistor, at least two parameters characteristic of a disturbance affecting the detection of the electrical insulation fault, and calculating a reliability level of the detection of the electrical insulation fault depending on at least one of the two parameters.

Abstract: A driving assistance module for a motor vehicle includes a main block that receives, at input, a set of input data relating to the motor vehicle and to its environment, and that provides, at output, a preliminary control for the motor vehicle on the basis of the input data, and a safeguarding block for safeguarding the preliminary control setpoint, which safeguarding block is separate from the main block and receives, at input, the preliminary control setpoint and a set of check data, provides, at output, a final control setpoint and checks that the preliminary control setpoint is in accordance with a set of at least one predefined rule. The set of check data differs from the set of input data, and each of the check data has a safety level strictly higher than a safety level of at least one of the input data.

Abstract: A method is for detecting the route taken by a motor vehicle in a particular zone within which the number of lanes increases or decreases.

Abstract: A method is for controlling the positioning of a motor vehicle on a road including several traffic lanes defined laterally by road marking lines. The method includes receiving a signal originating from a camera equipping the vehicle, analyzing the signal in order to detect the road marking lines, identifying, according to a predefined classification of the types of road marking lines, the type of lines detected defining the vehicle's current traffic lane, determining characteristics of the current traffic lane depending on the type of road marking lines defining it and, if the current traffic lane is one of the left-most lane or the right-most lane in the vehicle's direction of travel, shifting the vehicle towards the distal edge of the road relative to the central axis of the current traffic lane.

Abstract: A method for controlling the cell balancing of a battery of electrical accumulators of an electrical system includes balancing, for each subgroup, the cell having the largest amount of electrical charge to be balanced with selected cells.

Abstract: A process for preparing a compound of formula (NaOH)x[Fe(OH)2]yFeS, may include: (a) mixing iron and sodium sulfide in equimolar amounts, in an NaOH aqueous solution; (b) heating the obtained mixture up to a temperature in a range of from 110 to 210° C. for a duration in a range of from 1 hour to 1 week; and (c) recovering the active material by filtering and drying in a neutral atmosphere.

Abstract: A system for cooling a traction battery of a motor vehicle has a charging port. The traction battery has at least one power connector fixed to a surface. At least one electric cable connects the charging port to the power connector. The system further includes a first plurality of cells arranged around the charging port, a conduit arranged around the electric cable and in fluidic communication with the first plurality of cells, a second plurality of cells arranged in the aforementioned surface, around the power connector, and in fluidic communication with the conduit. The first and second pluralities of cells and the conduit are intended to receive a cooling fluid in the event of thermal runaway of the traction battery.

Abstract: A method for detecting an insulation fault of an electric battery. The method includes acquiring an insulation resistance value from a detection device, the detection device being connected to an electrical accumulator battery terminal and to ground, and including, in series, a current-limiting resistor, a filtering resistor and a voltage source, and a filtering capacitor in parallel with said filtering resistor. The method further includes a series of steps of optimizing the switching period of the switch of the device for detecting the insulation resistance value.

Abstract: A system applies a variable pressure to an electric battery including at least one electrochemical cell inserted between a first end plate and a second end plate which are parallel to one another. The system includes a first assembly including a first actuating wall, at least a first spring inserted between the first actuating wall and the first end plate, a link extending parallel to the first actuating wall and moved by an actuator. The link is connected to the first actuating wall by at least one cam, a first end of which is rotatably mounted on the link, and a second end of which is rotatably mounted about an axis of rotation rigidly connected to a stationary wall. The second end bears against the first actuating wall.

Abstract: A method corrects the time defined by an internal clock of an entity capable of receiving signals from a satellite positioning system and of communicating with at least one other entity. When the signals do not allow the satellite positioning of the entity, the method includes: receiving, by the entity, a message originating from the other entity, the message including a first piece of time data associated with the instant the message was transmitted; determining, by the entity, a second piece of time data associated with the instant the message was received by the entity; calculating a time difference between the second piece of time data and the first piece of time data; and then, when the time difference is negative, determining a time correction to be made to the internal clock of the entity.

Abstract: The method (P1) for detecting a boundary (L1, L2, L3) of a traffic lane (VC1, VC2) for a motor vehicle (1) involves: (E1) detecting the boundary by a vehicle environment detection means (3), the boundary being defined by a function, in particular a polynomial function, (E4) determining a plurality of first vectors (MXi) characterizing the boundary on the basis of map data and on the basis of data on the current position and orientation of the vehicle, (E6) determining a plurality of second vectors (Fj) characterizing the boundary, each second vector being determined by an orthogonal projection of a first vector onto said function, and (E8) calculating Mahalanobis distances between each first vector and each second vector.

Abstract: A method is for connecting a high-voltage battery to a high-voltage network using at least one relay in a powertrain of an electric or hybrid vehicle. The method includes precharging the high-voltage network according to a preset precharging setpoint; achieving connection between the high-voltage battery and the high-voltage network by closing the relay; measuring the difference between the voltage of the high-voltage battery and the voltage of the high-voltage network when the high-voltage battery and the high-voltage network are connected and the current of the high-voltage battery is zero; and establishing a corrected precharging setpoint depending on the measured difference between the high-voltage battery and the high-voltage network for a subsequent connection.

Abstract: A method controls autonomous emergency braking of an ego motor vehicle by initializing a braking reserve level and a time counter to a predetermined value, activating autonomous emergency braking, consuming a braking reserve and decrementing the braking reserve level for as long as the autonomous emergency braking is active, deactivating the autonomous emergency braking as soon as a braking request is interrupted or the braking reserve level reaches zero, incrementing a time counter as soon as autonomous emergency braking is deactivated and as long as no new autonomous emergency braking is activated, resetting the time counter to the predetermined time value as soon as a predetermined time threshold is reached by the time counter or as soon as new autonomous emergency braking is activated before said time threshold is reached, and resetting the braking reserve to the predetermined value as soon as the time counter exceeds the time threshold.