Experimental Researches for Broadband Piezoelectric Vibration Energy Harvester

被引：0
|
作者：
Wang, Guangqing [1 ]
Yue, Yuqiu [1 ]
Zhan, Yongzheng [1 ]
Li, Xiaojun [1 ]
Gao, Shuaishuai [1 ]
机构：
[1] School of Information and Electronics Engineering, Zhejiang Gongshang University, Hangzhou,310018, China
来源：
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis | 2017年 / 37卷 / 02期
关键词：
D O I：
10.16450/j.cnki.issn.1004-6801.2017.02.008
中图分类号：
学科分类号：
摘要：
To improve the output performances of the linear resonant piezoelectric vibration energy harvester (PVEH), a two-degree of freedom broadband piezoelectric vibration energy harvester (BPVEH) is developed. The experimental setup used to test the BPVEH performances is established. The effects of the stiffness ratio and the load resistor on the output performances of the BPVEH are studied by experiments. The results have shown that BPVEH can not only broaden the operational frequency bandwidth, but also improve the output voltage and the output power by adjusting the stiffness ratio. The bandwidth of the BPVEH is 7 times of the PVEH, and the maximum output power is 4.5 times of the PVEH when the base acceleration is 40 m/s2 and the load resistor is 471 kΩ. © 2017, Editorial Department of JVMD. All right reserved.
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页码：261 / 265
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