A design and experimental research of frequency tunable vibration isolator based on SMA

Wang Jinqiang,Shen Xing,Li Jiefeng

Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (20) : 59-63.

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PDF(1194 KB)
Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (20) : 59-63.

A design and experimental research of frequency tunable vibration isolator based on SMA

  •   Wang Jinqiang  ,Shen Xing,Li Jiefeng
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Abstract

Launch vehicles undergo complex dynamic environment, and ordinary vibration isolator cannot afford to carry on the suppression of the high-frequency vibration and avoid the low-frequency vibration amplification. Using shape memory alloy (SMA) as a drive and metal rubber as damping elements, a novel design of vibration isolator was proposed. After experimental research on different parameters of the metal rubber, suitable metal rubbers were selected as the frequency tunable vibration isolator components. The experimental result shows that natural frequency of the frequency tunable vibration isolator can change from 60 Hz to 110 Hz, which meets the design requirements.

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Wang Jinqiang,Shen Xing,Li Jiefeng . A design and experimental research of frequency tunable vibration isolator based on SMA[J]. Journal of Vibration and Shock, 2017, 36(20): 59-63

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