Patent ID: 6633806
Filing Date: 2003-10-14
Classification: B60W,B60Y,F02D,F16D,Y10T

Abstract:
A method for controlling a vehicular automated transmission system comprising an internal combustion engine having an engine flywheel, an engine controller having at least one mode of operation for controlling engine fueling to control at least the engine speed, a multiple speed transmission having an input shaft, a centrifugal friction clutch for drivingly connecting the engine flywheel to the input shaft, a throttle for requesting a degree of engine fueling, and a control unit for receiving input signals and processing the signals according to logic rules to issue command output signals to system actuators including at least the engine controller, the method comprising the steps of:(a) sensing at least one vehicle operating condition; (b) determining if the clutch is being operated in a partially engaged state; and (c) commanding the engine speed to repetitively increase and decrease a predetermined amount during operation of the clutch in a partially engaged state.