SYSTEME POUR LA DETERMINATION ET LE SUIVI DU GLISSEMENT D'UNE ROUE DANS UN VEHICULE

摘要

#CMT# #/CMT# The system has a functional magnitude providing module (23C) providing functional magnitude of circumferential speed of a drive wheel (1) of a vehicle. A central control and calculation unit (3) provides functional indication of advancement speed of the vehicle with respect to ground. A comparison module (16), an adder block (17), a digital indication receiving block (23D) and an integral plus derivative regulator (23E) provide sliding indication of the wheel from circumferential and advancement speed difference (epsilon lambda) according to the module (23C) and the unit (3) at given instant. #CMT#USE : #/CMT# System for controlling the behavior of a vehicle (claimed) e.g. electric motor vehicle or electric traction vehicle such as car (from drawings), with respect to the ground to provide instantaneous sliding indication of the vehicle drive wheel subjected to breaking and/or traction torque. #CMT#ADVANTAGE : #/CMT# The system provides the sufficient regenerative electric breaking torque on each drive wheel of the vehicle, in all circumstances, to ensure the safety of the vehicle, and detects the loss of adherence of the wheel. The system individually determines the sliding of the drive wheels of the vehicle in real time or quasi real-time. The system maintains the determined condition for the sliding of each wheel of the vehicle whose traction and the breaking are integrally and directly derived from the electric energy. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a block diagram representing the function of a module for measuring the sliding and the piloting of the drive wheels of the vehicle. epsilon lambda : Circumferential and advancement speed difference 1 : Drive wheel 2 : Electric traction machine 3 : Central control and calculation unit 11 : Resolver type angular position sensor 16 : Comparison module 17 : Adder block 21 : Electric power lines 23 : Wheel piloting module 23C : Functional magnitude providing module 23D : Digital indication receiving block 23E : Integral plus derivative regulator.