design and experiments of an active isolator for satellite micro-vibration
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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
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| Authors | ;Li Weipeng;Huang Hai;Zhou Xubin;Zheng Xintao;Bai Yang |
| Journal | Cancer epidemiology |
| Year | 2014 |
| DOI |
10.1016/j.cja.2014.10.012
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