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Active strut control for vibration isolation of large payloads
Active strut control for vibration isolation of large payloads
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机译:主动支柱控制可有效隔离大型有效载荷
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摘要
A system and a method that isolate a payload from the effects of vibrations by providing an active feedback path that enhances the isolation performance of a passive vibration isolation system at all relevant frequencies. The system comprises a kinematic arrangement of three bipod pairs of hybrid isolation struts to produce a fully kinematic suspension system. The active enhancement mechanism incorporates accelerometer feedback on each of the six hybrid isolation struts, blended with relative displacement measurements, to produce a transfer function that provides a specified alignment of a suspended component (with another component) at low frequency, but inertial stabilization at high frequency. Passive roll-off is produced by a series of disc flexures in each hybrid isolation strut.
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