Method for estimating the adherence of the steered wheels of a vehicle on a road surface and its application

The wheel slip detector for motor vehicle steerable wheels (8) under braking uses an electric motor (4) steering servo with an amplifier (11) operating on a steering condition sensor. The method involves determining a vector from the data including the vehicle speed, steering wheel angle (1) and steering force. The data is compiled to determine the wheel adherence coefficient with respect to the given data using a memorized law of correspondence.