Actively controlled suspension system with anti-roll control

Details Actively controlled suspension system with anti-roll control Actively controlled suspension system with anti-roll control

1988-03-16

1989-09-12

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280689, B60G 1708

Patent

active

048653470

ABSTRACT:
An actively controlled suspension system includes an anti-roll control loop which is responsive to lateral acceleration to be exerted on a vehicle, to adjust suspension characteristics. The control loop employed suspension system is variable of response characteristics to vehicular rolling depending upon the vehicle speed for varying anti-rolling suspension control characteristics. In a range of the vehicle speed, in which the greater loop gain of the control loop, causes significant and unacceptable level of self-induced lateral vibration, the gain is varied to be the smaller value than that in other vehicle speed range. Namely, since the greater gain may affect for causing self-induced lateral vibration in substantially low vehicle speed range, the gain may be adjusted to smaller value while vehicle speed is lower than a given value.

REFERENCES:
patent: 3995883 (1976-12-01), Glaze
patent: 4621833 (1986-11-01), Soltis
patent: 4625993 (1986-12-01), Williams et al.
patent: 4702490 (1987-10-01), Yamaguchi et al.
patent: 4712807 (1987-12-01), Kurosawa
patent: 4730816 (1988-03-01), Erkert

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