Pressure sensorless control of a double clutch

摘要

Method for pressure sensorless control of a double clutch arrangement having a double clutch, a hydraulic system for hydraulically actuating the double clutch, a pump for supplying the hydraulic system with hydraulic fluid, an electric machine for operating the pump and a control unit for controlling the double clutch arrangement, comprising the following steps: 1.from a nominal torque specification for the double clutch, (via the control unit) a nominal voltage is output to the electric machine and thus a defined pump speed, 2.the resulting volume flow generates a pressure in the hydraulic system which moves a clutch piston and results in a torque at the double clutch.