Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1990-08-30
1992-03-31
Marmor, Charles A.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
180142, 280 91, 36442405, B62D 506
Patent
active
050999400
ABSTRACT:
A system for controlling a steering angle for the rear wheels of a vehicle is provided. This system includes generally a rotational speed sensor for detecting rotational speeds of front and rear wheels to provide a difference in rotational speeds between the front and the rear wheels, an angle sensor for sensing a steered angle of a steering wheel, a steering controller for determining a rear wheel target steering angle, and an actuator for steering the rear wheels by the rear wheel target steering angle. The steering controller calculates a component of a difference in rotational speeds between the front and rear wheels caused by a difference in turning tracks therebetween and compensates for this component by the difference derived by the rotational speed sensor to provide a correction value for the rotational speeds between the front and rear wheels caused by acceleration during turning as a correction for a rear wheel steering angle. The steering controller determines the rear wheel target steering angle based on the correction.
REFERENCES:
patent: 4887689 (1989-12-01), Naito
patent: 4949265 (1990-08-01), Eguchi et al.
Fukuyama Yuichi
Imaseki Takashi
Iwata Toru
Tamura Minoru
Kagen Alan M.
Marmor Charles A.
Nissan Motor Company Ltd.
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