US-OS characteristic control system for a vehicle responding to

Details US-OS characteristic control system for a vehicle responding to US-OS characteristic control system for a vehicle responding to

1989-12-29

1991-05-07

Bertsoh, Richard A.

Land vehicles

Wheeled

Running gear

180 791, 180141, 280702, 280709, B60G 1700, B62D 1500

Patent

active

050130625

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.

REFERENCES:
patent: 4712807 (1987-12-01), Kurosawa
patent: 4761022 (1988-08-01), Ohashi et al.
patent: 4834205 (1989-05-01), Mizvno et al.
patent: 4874183 (1989-10-01), Chikuma et al.
patent: 4947327 (1990-08-01), Kawagoe

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