Device for compensating a vibrational force or torque acting on a body
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United States of America Patent
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May 25, 1993
Grant Date -
N/A
app pub date -
Mar 27, 1992
filing date -
Mar 28, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for compensating a vibration force uses four rotating weights with parallel rotation axes. The four weights are located in a common plane P and symmetrical in pairs relative to a plane perpendicular to the plane P and passing through the line of action of the vibrational force F to be compensated. The weights of each pair rotate in opposite directions. A device for compensating a vibrational torque uses four rotating weights with rotation axes parallel to an axis D and symmetrical in pairs relative to the axis D. The weights of each pair rotate in the same direction. A real time control device includes a constant gain non-linear self-adapting Kalman filter.
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