Drive wheel torque controlling system for vehicle

Details Drive wheel torque controlling system for vehicle Drive wheel torque controlling system for vehicle

1992-07-16

1994-02-22

Focarino, Margaret A.

Motor vehicles

With means for detecting wheel slip during vehicle...

36442603, 180248, B60K 2304

Patent

active

052879410

ABSTRACT:
A drive wheel torque control system for a vehicle includes control means for controlling a variable differential motion limiting device provided between drive wheels to distribute a predetermined LSD torque from a racing drive wheel to a nonracing drive wheel. The control means includes vehicle speed determining means for determining a vehicle speed from a follower wheel spaced, drive wheel speed determining means adapted to select a smaller one of the drive wheel speeds as a drive wheel speed, when the inner-side wheel in turning movement is racing, and to select a larger one of the drive wheel speeds, when the outer-side wheel in turning movement is racing, and torque determining means for determining the LSD torque from the vehicle speed and the drive wheel speed. This ensures that only when the inner wheel is racing, the smaller one of the drive wheel speeds can be selected, and an LSD torque can be distributed to the outer wheel, thereby easily effecting the adjustment of the locus of turning movement of the vehicle when the inner wheel is racing, while properly controlling the behavior of the vehicle.

REFERENCES:
patent: 5024285 (1991-06-01), Fujita
patent: 5038288 (1991-08-01), Moride et al.
patent: 5168953 (1992-12-01), Naito
patent: 5181175 (1993-01-01), Shiraishi et al.
Patent Abstracts of Japan, Sep. 6, 1989, No. 1-145240, Kenichi Ogawa.

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