Starting clutch control system

A control system for a starting clutch installed in an automotive vehicle having an internal combustion engine and at least one wheel, said engine having a throttle valve and said starting clutch being arranged between said engine and said at least one wheel, wherein said control system comprises:

• engine rotational speed-detecting means for detecting a rotational speed of said engine;
• clutch speed ratio-detecting means for detecting a speed ratio of said starting clutch;
• throttle valve opening-detecting means for detecting opening of said throttle valve;
• basic torque capacity-calculating means for calculating a basic torque capacity of said starting clutch, based on said rotational speed of said engine detected by said engine rotational speed-detecting means;
• torque capacity correction value-determining means for determining, based on said throttle valve opening detected by said throttle valve opening-detecting means, a torque capacity correction value having a minimal value when said clutch speed ratio detected by said clutch speed ratio-detecting means is equal to 1.0, said torque capacity correction valve progressively increasing as said clutch speed ratio increases and decreases from 1.0;
• torque capacity-determining means for determining a torque capacity of said starting clutch, based on said torque capacity correction value determined by said torque capacity correction value-determining means and said basic torque capacity calculated by said basic torque capacity-calculating means;
• and
• control means for controlling engagement between said engine and said at least one wheel based on said torque capacity determined by said torque-capacity determining means.