Computer system and program product for controlling vibrations
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United States of America Patent
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Jul 9, 2013
Grant Date -
Sep 2, 2010
app pub date -
Apr 26, 2010
filing date -
Aug 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The computer programmable system and program product include first program instructions for actively driving a first imbalance mass concentration rotor and a second imbalance mass concentration rotor at a vibration canceling rotation frequency while controlling the rotational position of the first imbalance mass concentration and the second imbalance mass concentration to produce a rotating net force vector to inhibit periodic vibrations. The program product includes second program instructions to opposingly orient the first imbalance mass concentration relative to the second imbalance mass concentration during a starting stopping rotation speed less than the vibration canceling rotation frequency. The system includes a fault mode control protocol for controlling a rotation of the rotors during a sensed failure of the rotating assembly vibration control system.
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