Parametrically controlled active vibration isolation system

Details Parametrically controlled active vibration isolation system Parametrically controlled active vibration isolation system

1987-10-06

1988-07-19

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

248550, 248638, 267 6423, 318649, F16M 100, F16M 1300, F16F 904, B64C 1706

Patent

active

047579803

ABSTRACT:
A parametrically controlled active vibration isolation system comprises a damper having a servovalve fluidically coupling a load supporting actuator to an accumulator. The servovalve includes a variable orifice arrangement which regulates the flow therethrough of a hydraulic fluid in response to a command signal derived from response sensors. In this manner the damping coefficient is modulated so as to approximate a "sky-hook" damper.

REFERENCES:
patent: 2487029 (1949-11-01), Piety
patent: 4065154 (1977-12-01), Glaze
patent: 4153237 (1979-05-01), Supalla
patent: 4216795 (1980-08-01), Cobb et al.
patent: 4483425 (1984-11-01), Newman
patent: 4546960 (1985-10-01), Abrams et al.

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