Oversteering preventing method for e.g. motor vehicle, involves generating signal e.g. sound alert signal, when effort on steering rack decreases relative to lateral effort and rotation speed of flywheel is higher than threshold speed

摘要

The method involves generating a signal e.g. sound/light alert signal, when an effort associated with behavior of tires of front wheels (1) e.g. steering wheels, under deformation, exerted on a steering rack (6) decreases with respect to a lateral effort and a rotation speed of a flywheel (2) is higher than a threshold speed, where movement of the rack is due to the effort of torque applied by the fly-wheel and of power torque applied by an electric motor (5). A residual function of time is defined from the effort exerted on the rack and from the lateral effort exerted on tires. An independent claim is also included for a motor vehicle equipping an electrical power assisted steering system for orienting a train of steering wheels.