A control system for a selective clutch that prevents interference with automatic engagement/disengagement of a friction clutch (2) when manual engagement/disengagement is selected at the time of starting a vehicle. The selective clutch includes an autoclu...

An automatic control strategy for use with a multiple-ratio transmission in an automotive vehicle driveline in which the crankshaft (14) of an internal combustion engine (12) is connected directly to torque input elements of a multiple-ratio gearing (10,22...

When starting-off, torques are determined independently for creep and for driving-off. The desired torque is then calculated as a function of these values, and is applied at the clutch (7) An Independent claim is included for the corresponding system.