US-OS characteristic control system for a vehicle responding to turning state quantity and the changing rate thereof
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United States of America Patent
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-
May 7, 1991
Grant Date -
N/A
app pub date -
Dec 29, 1989
filing date -
Dec 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a system for controlling the US-OS characteristic of a vehicle having front and rear suspensions, a device for changing the US-OS characteristic is provided which is adapted to alter the roll stiffness distribution between the front and the rear suspensions. A turning state quantity is detected and the changing rate of a turning state quantity is determined. A control device is further provided which is adapted to respond to the turning state quantity and the changing rate of the turning state quantity, and to control the US-OS characteristic changing device so that the higher the changing rate of the turning state quantity is, the more the US-OS characteristic may be shifted toward higher over-steer, and for the same changing rate the higher the turning state quantity is, the more the US-OS characteristic may be shifted toward higher under-steer.
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