Control system for a clutch for a vehicle

Details Control system for a clutch for a vehicle Control system for a clutch for a vehicle

1987-06-15

1989-07-11

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192 215, B60K 4102, F16D 3702

Patent

active

048463213

ABSTRACT:
A system for controlling an electromagnetic clutch for a motor vehicle at starting of the motor vehicle. An actual engagement rate is obtained in dependency on speeds of a drive member and a driven member of the clutch. A desired output-input speed ratio of the clutch is obtained in accordance with load on the engine and the speed of the driven member, the output-input speed ratio representing a decreasing function of the engine load and an increasing function of the speed of the driven member. Clutch current is controlled so as to converge the actual output-input speed ratio to the desired engagement rate, thereby smoothly engaging the clutch at the start of the vehicle.

REFERENCES:
patent: 4428467 (1984-01-01), Hiramatsu
patent: 4457411 (1984-07-01), Hiramatsu
patent: 4466521 (1984-08-01), Hattori et al.
patent: 4518068 (1985-05-01), Oguma et al.
patent: 4660697 (1987-04-01), Yoneda et al.
patent: 4680712 (1987-07-01), Sakakiyama et al.

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