Method for controlling a front and rear wheel steering vehicle

Details Method for controlling a front and rear wheel steering vehicle Method for controlling a front and rear wheel steering vehicle

1995-03-03

1997-05-06

Teska, Kevin J.

Boots, shoes, and leggings

180408, 180423, 280 911, B62D 600

Patent

active

056277547

ABSTRACT:
To the end of ensuring a brisk maneuverability of a front and rear wheel steering vehicle without causing any unstable behavior of the vehicle, the rear wheels are steered in an opposite phase relationship to the front wheels to offset an under-steer tendency of the vehicle when a lateral acceleration acting on the vehicle is between a first prescribed value and a second prescribed value higher than the first prescribed value, and the vehicle would otherwise demonstrate an under-steer tendency, and in a same phase relationship to the front wheels to prevent an excessive slip angle from developing in the rear wheels when the detected lateral acceleration is greater than the second prescribed value, and the slip angle of the rear wheels would otherwise develop an excessive slip angle. In other words, the rear wheels are steered in an opposite phase relationship to the front wheels so long as a lateral acceleration acting on the vehicle is within a range which would not give rise to any excessive slip angle of the rear wheels.

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