Abstract: A method for object avoidance by a motor vehicle includes: detecting objects located in the surroundings of the motor vehicle; acquiring data characterizing the position and/or dynamics of each object, then, if several objects have been detected; verifying whether at least one criterion of proximity between at least two of the detected objects is met and, if so; combining the two objects into one group; calculating the data characterizing the position and/or dynamics of the group; and activating a system for obstacle avoidance and/or determining an avoidance trajectory, according to the data characterizing the position and/or dynamics of the group.

Abstract: A method generates a setpoint for controlling a steering system and a differential braking system of a motor vehicle. The method includes: acquiring a value relating to a total yawing moment to be applied to the motor vehicle such that it follows a required path, and the speed of the motor vehicle, calculating, as a function of the speed, at least one threshold relating to the maximum proportion of the total yawing moment that the steering system or that the differential braking system can provide, determining, as a function of the threshold, a distribution rate relating to the proportion of the total yawing moment that the steering system or that the differential braking system must provide, and generating a setpoint for controlling the steering system and the differential braking system as a function of the distribution rate and of the value relating to the total yawing moment.

Abstract: A method controls a motor vehicle equipped with at least two perception sensors to avoid a target. The control method includes: determining data of the sensors, fusing the data of the sensors so as to determine the steering wheel angle, the vehicle speed and the vehicle heading, planning an avoidance path to avoid the target, taking the form of a Euler spiral, refining the avoidance path depending on the steering wheel angle, on the vehicle speed and on the vehicle heading and based on the solution of an optimisation problem, controlling the vehicle so as to follow the refined path, the refining the path including honing the avoidance path depending on the path length, on the direction of steering wheel rotation and on the final heading and refining the honed trajectory depending on the initial heading and on the direction of steering wheel rotation.

Abstract: A method detects a risk of collision between a motor vehicle and a secondary object located in traffic lanes adjacent to the main traffic lane of the vehicle, in the event of a lane change by the vehicle, which involves detecting objects in a predetermined danger zone, and estimating a time-to-collision between the vehicle and a detected object. Detecting objects in a danger zone involves: calculating the actual distance between the vehicle and each object detected by the radar, the actual distance corresponding to the length of an arc between two points; determining a danger zone as a function of lines of the main traffic lane and a width of the main traffic line; and checking, for each object detected by the radar, whether its coordinates are inside the predetermined danger zone.

Abstract: A method automatically controls an actuator of a control system of an automotive device. The method includes determining a reference trajectory, determining a position of the device with respect to the reference trajectory, acquiring a parameter relating to a force exerted by a driver on a manual control device of the control system, and calculating a controlling setpoint of the actuator. The controlling setpoint is calculated as a function of the parameter and of the position of the device with respect to the reference trajectory.

Abstract: A method for determining an avoidance path of a motor vehicle includes the steps of:—acquiring data relating to an obstacle located in the surroundings of the motor vehicle by means of a detection system,—determining a final position to be reached according to the position of the obstacle and an initial position of the motor vehicle,—calculating a theoretical impact position located between the initial position and the final position, and—developing the avoidance path such that the motor vehicle passes through the initial position and the final position and avoids the theoretical impact position around the outside.

Abstract: A method detects a risk of collision between a motor vehicle and a secondary object located in traffic lanes adjacent to the main traffic lane of the vehicle, in the event of a lane change by the vehicle, which involves detecting objects in a predetermined danger zone, and estimating a time-to-collision between the vehicle and a detected object. Detecting objects in a danger zone involves: calculating the actual distance between the vehicle and each object detected by the radar, the actual distance corresponding to the length of an arc between two points; determining a danger zone as a function of lines of the main traffic lane and a width of the main traffic line; and checking, for each object detected by the radar, whether its coordinates are inside the predetermined danger zone.

Abstract: Method of measuring the thickness of a layer by a light source irradiating the layer with a light beam, which light source is controlled by a sinusoidal control signal having a modulation frequency fm so that the light beam presents optical power that is sinusoidally modulated at the modulation frequency, the measurement method consisting in: using detector elements to determine a calibration phase shift (??cal) between the optical power and the control signal; heating the layer with the light beam; using the detector elements to detect a sinusoidal component of a heat flux radiated by the layer; calculating a phase shift (??th/opt) between the sinusoidal component of the radiated heat flux and the optical power of the light beam while taking account of the calibration phase shift; and determining the thickness of the layer of material as a function of the phase shift (??th/opt).

Abstract: Method of measuring the thickness of a layer by a light source irradiating the layer with a light beam, which light source is controlled by a sinusoidal control signal having a modulation frequency fm so that the light beam presents optical power that is sinusoidally modulated at the modulation frequency, the measurement method consisting in: using detector elements to determine a calibration phase shift (??cal) between the optical power and the control signal; heating the layer with the light beam; using the detector elements to detect a sinusoidal component of a heat flux radiated by the layer; calculating a phase shift (??th/opt) between the sinusoidal component of the radiated heat flux and the optical power of the light beam while taking account of the calibration phase shift; and determining the thickness of the layer of material as a function of the phase shift (??th/opt).