Verfahren zur Steuerung eines hybridischen Antriebsstrangs

摘要

The invention relates to a method for controlling a hybrid drive train having an internal combustion engine comprising a crankshaft and an electric motor that is arranged in a belt pulley plane of the internal combustion engine and is in operative engagement with the crankshaft by means of a shiftable planetary gear system. During a starting process of the internal combustion engine the planetary gear is steered by a brake-operating actuator that is arranged between a ring gear of the planetary gear system and a non-rotatably arranged housing via an actuator travel to a predetermined closed position. In order to avoid overloading the actuator and the brake, the closed position is compared to a contact point between the ring gear and housing determined by means of a gradient change ascertained from an electrical control variable of the actuator and a traversing speed of the actuator, and is adjusted in dependence on said contact point.