Active vibra-acoustic damper

Details Active vibra-acoustic damper Active vibra-acoustic damper

1999-06-21

2000-10-24

Martin, David

Electricity: motive power systems

Positional servo systems

With stabilizing features

359555, G05B 501

Patent

active

061372544

ABSTRACT:
The present invention relates to a gimbal assembly having a belt driven mirror, wherein an active vibra-acoustic damper is used to reduce vibra-acoustic energy induced line of sight disturbances resulting from belt mode resonant amplification. Exemplary embodiments of the present invention improve system performance far beyond the capability of a passive damper by actively countering vibra-acoustic disturbance torque and line of sight disturbances (i.e., substantially reducing and/or effectively canceling these disturbances).

REFERENCES:
patent: 4206400 (1980-06-01), Holdren et al.
patent: 4367913 (1983-01-01), Logan et al.
patent: 4881800 (1989-11-01), Fuchs et al.
patent: 5184055 (1993-02-01), Ohishi et al.
patent: 5203220 (1993-04-01), Lerman
patent: 5307206 (1994-04-01), Haessig, Jr.
patent: 5828014 (1998-10-01), Goto et al.

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