Design and performance test of planar spring with four permanent magnet structure of vibration energy collector

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Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (24) : 66-72.

CHEN Ren-wen, XU Dong-xia, REN Long, XIA Hua-kang

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Abstract

A kind of planar spring with four permanent magnet structure of vibration energy collector is designed based on the vibration and electromagnetic theories. The vibration picking system and energy conversion system of the structure are analyzed through theory and simulation. The overall design of the subsequent interface circuit is discussed and the corresponding circuits are optimized by simulation. The performance of the device is tested by experiment to verify its validity and reliability. Experiment results show that the interface circuit output voltage can reach to 9V within 0.25s. Then, the voltage comparison circuit generates a trigger signal to turn on analog switch so that the devices can work normally，which verifies the reliability of the system.

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vibration energy harvesting / dynamic analysis / electromagnetic analysis / circuit simulation / experimental verification

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CHEN Ren-wen, XU Dong-xia, REN Long, XIA Hua-kang. Design and performance test of planar spring with four permanent magnet structure of vibration energy collector[J]. Journal of Vibration and Shock, 2016, 35(24): 66-72

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