Large power amplification of a piezoelectric energy harvester excited by random vibrations

2013 IEEE 26th International Conference on Micro Electro Mechanical Systems (MEMS 2013) : Taipei, Taiwan, 20-24 January 2013. IEEE International Conference on Micro Electro Mechanical Systems (26th : 2013 : Taipei, Taiwan) Pub Date : 2013-03-07 DOI:10.1109/MEMSYS.2013.6474188

Z. Wang, R. Elfrink, R. Vullers, V. van Acht, M. Tutelaers, S. Matova, J. Oudenhoven, R. van Schaijk

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引用次数: 14

Abstract

This paper reports the method and results of amplifying the power output of a piezoelectric energy harvester excited by random vibrations. The amplification is achieved by applying a dual-mass-spring system. A maximum power amplification of 80 times has been experimentally demonstrated. The generated power output from a piezoelectric energy harvester, when excited by as-measured random vibrations, amounts to 28.9 μW. This is sufficient to operate a battery-free Tire Pressure Monitoring System (TPMS) for wireless sensing of pressure and temperature in car tires. Thus, the piezoelectric energy harvester with power amplification is proved to be a viable solution to replace batteries in the TPMS application.

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由随机振动激发的压电能量采集器的大功率放大

本文报道了在随机振动激励下放大压电能量采集器输出功率的方法和结果。放大是通过应用双质量弹簧系统实现的。经实验证明，最大功率放大可达80倍。在随机振动激励下，压电能量采集器的输出功率为28.9 μW。这足以运行一个无电池的胎压监测系统(TPMS)，用于无线感应汽车轮胎的压力和温度。因此，具有功率放大的压电能量采集器是TPMS应用中替代电池的可行方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2013 IEEE 26th International Conference on Micro Electro Mechanical Systems (MEMS 2013) : Taipei, Taiwan, 20-24 January 2013. IEEE International Conference on Micro Electro Mechanical Systems (26th : 2013 : Taipei, Taiwan)

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