VERFAHREN ZUR STEUERUNG DES SCHLUPFS EINER DIREKTANTRIEBSKUPPLUNG EINES DREHMOMENTUMRICHTERS

摘要

The method involves sending aperture cyclic ratio values as a set point to a hydraulic pressure regulation solenoid valve of a lockup clutch, where an initial value of the ratio values is determined from parameters e.g. engine torque, issued from cartography. The initial value is a normal initial aperture cyclic ratio value corrected by a corrector coefficient. The coefficient is determined by comparing a slipping value (GR) representing slipping values measured during preceding gear shifting and theoretical reference slipping value corresponding to nominal engine and turbine speeds.