Actuator drive control device for active vibration isolation...

Details Actuator drive control device for active vibration isolation... Actuator drive control device for active vibration isolation...

2006-03-28

2006-03-28

Torres, Melanie (Department: 3683)

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

Reexamination Certificate

active

07017889

ABSTRACT:
In an actuator drive control device for an active vibration isolation support system, amplitudes of engine vibration are estimated when a front bank and a rear bank operate. When a difference between the amplitudes is large, an operation of an actuator is controlled at the time when the front bank operates, based on the amplitude of the engine vibration at the previous time when the front bank operates, and the operation of the actuator is controlled at the time when the rear bank operates, based on the amplitude of the engine vibration at the previous time when the rear bank operates. As a result, even when the vibration state of the engine at the time of operation of each bank differs, it is possible to control the operation of the actuator based on the actual vibration state of the engine when the actuator operates, whereby engine vibration can be effectively isolated by the active vibration isolation support system.

REFERENCES:
patent: 5939625 (1999-08-01), Torii et al.
patent: 6158415 (2000-12-01), Ichikawa et al.
patent: 6459970 (2002-10-01), Goto et al.
patent: 07-042783 (1995-02-01), None

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