Differential action control system of a vehicle

Details Differential action control system of a vehicle Differential action control system of a vehicle

1994-01-11

1995-09-19

Hill, Mitchell J.

Motor vehicles

Having four wheels driven

180 76, 180197, 180247, 180248, B60R 1734

Patent

active

054509190

ABSTRACT:
A differential action control device of a vehicle includes an inter-axle differential disposed between axles for making a differential action between the axles, an inter-wheel differential disposed between wheels for making a differential action between the wheels, and a parameter setting device for detecting a vehicle running condition and setting a predetermined parameter based on the vehicle running condition detected. The device further includes target yaw rate setting device for setting a target yaw rate of the vehicle based on the parameter, a yaw rate detecting device for detecting an actual yaw rate of the vehicle while running, and a differential control device for controlling a differential action of the inter-axle and inter-wheel differentials based on a deviation between the actual and target yaw rate of the vehicle. The steering characteristic of the vehicle can be changed to get a desirable characteristic by making the differential action control.

REFERENCES:
patent: 4741407 (1988-05-01), Torii et al.
patent: 4949594 (1990-08-01), Galhotra
patent: 4953654 (1990-09-01), Imaseki et al.
patent: 4966249 (1990-10-01), Imaseki
patent: 4966250 (1990-10-01), Imaseki
patent: 5103690 (1992-04-01), MacPherson et al.
patent: 5119900 (1992-06-01), Watanabe et al.
patent: 5332059 (1994-07-01), Shirakawa et al.

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