Patent ID: 9127727
Filing Date: 2015-09-08
Classification: F16D,F16H

Abstract:
1. A method of searching for a sync start in an automated manual transmission, comprising: a slip preparing step of operating, in a parked position, a clutch which is restrained so as not to relatively rotate with a sleeve into a slip state, while an engine speed is higher than a rotation speed of the clutch; an actuator operating step of moving the sleeve toward a clutch gear from a neutral position; a clutch speed determination step of determining whether or not the rotation speed of the clutch has decreased by the actuator operating step; a stop determination step of determining whether or not a movement of the sleeve that was driven by the actuator operating step has stopped; and a first position determination step of determining a point where the clutch speed determination step determines that the rotation speed of the clutch has decreased and where the stop determination step determines that the movement of the sleeve has stopped simultaneously in the parked position and the slip state of the clutch, as the sync start.