Active suspension apparatus

Details Active suspension apparatus Active suspension apparatus

1985-05-20

1988-11-29

Love, John J.

Land vehicles

Wheeled

Running gear

280708, 36442405, B60G 1704

Patent

active

047876506

ABSTRACT:
An active suspension apparatus using hydropneumatic springs is disclosed to control damping characteristics in accordance with the vibration state of the passenger compartment of a vehicle during travel. An absolute acceleration of the floor of the passenger's compartment is detected and is compared with a reference value to discriminate the actual vibration state of the passenger compartment. The openings of restrictors arranged between hydropneumatic spring chambers and actuators are controlled in accordance with the discrimination result. In order to accurately detect the vibration state, specific vibration components are extracted by band-pass filters from the absolute acceleration signal.

REFERENCES:
patent: 3124368 (1964-03-01), Corley
patent: 4333668 (1982-06-01), Hendrickson
Mar. 1984 issue of "Auto World" written by Alan Baker.

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