Patent ID: 6969338
Filing Date: 2005-11-29
Classification: B60W,F16H,Y10T

Abstract:
1. A method for controlling and regulating a drive train ( 1 ) of a vehicle, comprising a drive unit ( 2 ), a transmission ( 3 ) and an output unit ( 4 ), wherein the transmission ( 3 ) has a plurality of controllable free-wheel units ( 7 A to 7 C) corresponding with a plurality of toothed wheel pairs ( 6 A to 6 E) for disconnecting or connecting an old or a new gear and one clutch ( 5 ) located on an input side, the method comprising the steps of: quickly reducing, in the presence of a shifting signal for carrying out a higher traction shift, an input torque of the drive unit ( abruptly producing, upon a subsequent gear shift, an operative connection between one of the plurality of controllable free-wheel units and one of the plurality of toothed wheel pairs of the new gear corresponding therewith in a manner such that in the drive train, a second vibration counteracting the first vibration is produced; canceling the operative connection of the old gear with the engagement of the new gear as a result of a torque reversal from a pull torque to a push torque.