Control device for selective control of a clutch

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 autoclutch device that automatically disengages and engages the clutch (2) using an actuator (10) under the control of a controller (6, 9). The selective clutch also includes a manual clutch device that allows engagement and disengagement of the clutch based on depressing of a clutch pedal (11). The clutch disengagement and engagement by the autoclutch device is prohibited, or the prohibition is canceled, based on a vehicle velocity (28), gear speed (23) of a gear box (3), and clutch pedal depression (16).