Method of steering a road vehicle with front-wheel steering

Details Method of steering a road vehicle with front-wheel steering Method of steering a road vehicle with front-wheel steering

1994-03-04

1995-06-27

Teska, Kevin J.

Boots, shoes, and leggings

36442602, 280 91, 180140, 180791, B62D 604

Patent

active

054285364

ABSTRACT:
A steering system for a road vehicle with front-wheel steering employs microprocessor integrating feedback of the vehicle yaw rate to the front-wheel steering actuator so as to decouple the yaw movement from the lateral movement of the front axle. Sensors measure vehicle speed, yaw rate (by gyroscope), lateral front axle acceleration (by acceleromether at the front axle), and the angle at which the driver holds the steering wheel. The microprocessor controls the front steering actuator according to a formula whose dependent quantities include the sensor outputs, fixed vehicle parameters (such as wheel base), and a preselected time constant. The vehicle's handling changes when the time constant is varied.

REFERENCES:
patent: 5010488 (1991-04-01), Ohshita et al.
patent: 5151860 (1992-09-01), Taniguchi et al.
patent: 5251135 (1993-10-01), Serizawa et al.
patent: 5267160 (1993-11-01), Ito et al.
patent: 5343393 (1994-08-01), Hirano et al.
patent: 5346242 (1994-09-01), Karnopp

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