Automotive vehicle drive wheel slippage control device detecting

Details Automotive vehicle drive wheel slippage control device detecting Automotive vehicle drive wheel slippage control device detecting

1986-07-28

1988-03-29

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

180197, 192 1, B60K 4120

Patent

active

047337605

ABSTRACT:
An automotive vehicle driven wheel slippage control device is arranged such that the rotational speed of a driven vehicle wheel is determined. The presence of a condition of acceleration slippage is determined by utilizing as a parameter the rotational speed of the driven wheel. The value of a parameter representing the condition of the road surface on which the vehicle is being operated is determined. A braking device provided to the driven wheel is operated and controlled to set braking conditions for the driven wheel when acceleration slippage is determined, the braking conditions being varied according to the current value of the parameter representing road surface condition. The intensity of braking for the driven wheel may be varied, or, alternatively, the time period of braking therefor may be varied. Optionally, the parameter representing road surface condition may be determined from a value representing torque on the driven wheel and a value representing rotational acceleration thereof.

REFERENCES:
patent: 3967862 (1976-07-01), Hunter et al .
patent: 4036536 (1977-07-01), Quon
patent: 4094555 (1978-06-01), Byrne et al.
patent: 4196940 (1980-04-01), Jones
patent: 4392202 (1983-07-01), Matsuda
patent: 4545240 (1985-10-01), Leiber
patent: 4648663 (1987-03-01), Nomura et al.

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