Operating method for automatic gear change transmission in motor vehicle, by determining gradient of rotation speed of transmission and calculating disconnect time point for synchronization member

摘要

The method involves using a synchronization member to set the rotation speed of the transmission to achieve synchronous speed for the target gear, and using a shift member to set the target gear. The gradient of the speed of the transmission resulting from the operation of the synchronization member (40), and the synchronous speed of the target gear are used to calculate the disconnect time point for the synchronization member. The shift member is operated based on this time point