System and method to control the steering of the rear wheels of a motor vehicle with four-wheel steering

摘要

The system has an elaboration module (6) to elaborate a steering set point (alpha r) of rear wheels, and reducing phase shifting between lateral acceleration of a vehicle and the speed of yaw of the vehicle. The module receives a longitudinal speed (VL) of the vehicle, a steering angle (alpha f) of the front wheels of the vehicle, and a static gain (GS1) of the speed of the yaw in input, with respect to the angular position of the steering. A control signal (SC) activates or deactivates the module. An independent claim is also included for a method for controlling the steering of rear wheels embarked on a motor vehicle.