Vehicular differential limiting torque control system

Details Vehicular differential limiting torque control system Vehicular differential limiting torque control system

1988-10-13

1990-09-04

Hill, Mitchell J.

Motor vehicles

With means for detecting wheel slip during vehicle...

180233, 180248, 180249, 36442603, 74866, B60K 2304, B60K 3100

Patent

active

049536540

ABSTRACT:
A differential limiting torque control system for a vehicle includes a differential limiting clutch provided in a differential, a sensing section including sensors such as an accelerator position sensor, and sensors for sensing speeds of left and right front wheels and left and right rear wheels, and a control unit controlling a differential limiting torque of the differential limiting clutch in accordance with an accelerator opening degree of movement, a left and right drive wheel speed difference, and a drive wheel slip which is represented, for example, by a front and rear wheel speed difference, in such a manner that the differential limiting torque is held equal to a difference obtained by subtraction whose subtrahend is a quantity proportional to the drive wheel slip, and whose minuend is a sum of a quantity proportional to the accelerator opening degree and a quantity proportional to the left and right drive wheel speed difference. The control unit may further control the differential limiting torque in accordance with a lateral acceleration in such a manner that the subtrahend is decreased with increase of the lateral acceleration.

REFERENCES:
patent: 4679463 (1987-07-01), Ozaki et al.
patent: 4681180 (1987-07-01), Oyama et al.
patent: 4741407 (1988-05-01), Torii et al.
patent: 4790404 (1988-12-01), Naito
patent: 4830132 (1989-05-01), Inagaki et al.
patent: 4841808 (1989-06-01), Ouchi et al.

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