Electromagnetic type vibration energy harvester based on bi-stable cantilever beam

被引：0

作者：

Liu Z. ^{[1
]}

Leng Y. ^{[1
]}

Liu J. ^{[1
]}

Fan S. ^{[1
]}

机构：

[1] School of Mechanical Engineering, Tianjin University, Tianjin

来源：

Zhendong yu Chongji/Journal of Vibration and Shock | 2019年 / 38卷 / 23期

关键词：

Bi-stable cantilever beam; Electromagnetic; Energy harvesting; Nonlinear;

D O I：

10.13465/j.cnki.jvs.2019.23.018

中图分类号：

学科分类号：

摘要：

The bi-stable cantilever beam-based electromagnetic type vibration energy harvester built with dual-magnet structure was taken as the study object, the shape correction function method and the magnetizing current theory were adopted to analyze the bi-stable cantilever beam's vibration response features. According to the electromagnetic induction principle, the accurate simulation method for electromagnetic induction electromotive force under moving coordinate system was explored. The results of numerical simulation and test verification showed that the established nonlinear magnetic force, magnetic field analysis and simulation computation for cantilever beam's vibration response and induced electromotive force are reasonable and correct; the proposed method can be used to effectively evaluate the bi-stable cantilever beam-based electromagnetic type vibration energy harvester's induced electromotive force and output power. © 2019, Editorial Office of Journal of Vibration and Shock. All right reserved.

引用

页码：126 / 133and151

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