design and experiments of an active isolator for satellite micro-vibration

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ID: 162429
2014
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Abstract
In this paper, a soft active isolator (SAI) derived from a voice coil motor is studied to determine its abilities as a micro-vibration isolation device for sensitive satellite payloads. Firstly, the two most important parts of the SAI, the mechanical unit and the low-noise driver, are designed and manufactured. Then, a rigid-flexible coupling dynamic model of the SAI is built, and a dynamic analysis is conducted. Furthermore, a controller with a sky-hook damper is designed. Finally, results from the performance tests of the mechanical/electronic parts and the isolation experiments are presented. The SAI attenuations are found to be more than −20 dB above 5 Hz, and the control effect is stable.
Reference Key
weipeng2014chinesedesign Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Li Weipeng, Huang Hai, Zhou Xubin, Zheng Xintao, Bai Yang
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Journal Cancer epidemiology
Year 2014
DOI
10.1016/j.cja.2014.10.012
URL
http://www.sciencedirect.com/science/article/pii/S1000936114001666
Keywords
satellite astronautics aeronautics vibration controlmotor vehicles

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