Device for stabilizing vehicle attitude in terminal portion of c

Details Device for stabilizing vehicle attitude in terminal portion of c Device for stabilizing vehicle attitude in terminal portion of c

1996-06-07

1998-09-01

Cummings, Scott

Motor vehicles

Steering gear

Each wheel steerable

180412, 364424051, B60K 2600, B62D 600

Patent

active

057997454

ABSTRACT:
A vehicle attitude control device including a yaw moment control mechanism for giving a yaw moment to the vehicle and controlling the yaw moment, and a controller for controlling the yaw moment control mechanism in a normal target follow-up control mode so that the actual yaw rate detected by a yaw rate sensor coincides with a target value determined on the basis of an angle of rotation of a steering wheel detected by a steering wheel angle sensor, and wherein a yaw moment reducing device is provided for reducing the yaw moment to be given to the vehicle by the yaw moment control mechanism, to a reduced value smaller than a normal value to which the yaw moment is controlled in the normal target follow-up control mode. The yaw moment reducing device is operated in at least a second phase of a countersteering period following a first phase which is initiated by vehicle operator's countersteering manipulation of the steering wheel upon slipping of rear wheels of the vehicle during vehicle turning outwardly of the turning direction so as to countersteer the vehicle.

REFERENCES:
patent: 4679808 (1987-07-01), Ito et al.
patent: 5341294 (1994-08-01), Kanazawa et al.
patent: 5365440 (1994-11-01), Abe et al.
patent: 5446657 (1995-08-01), Ikeda et al.
patent: 5502639 (1996-03-01), Fukunaga et al.
patent: 5561603 (1996-10-01), Goto

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