传感技术学报2017，Vol.30Issue(5)：684-691,8.DOI:10.3969/j.issn.1004-1699.2017.05.009
带弹性放大器的双稳态压电振动能量采集器
A Bistable Piezoelectric Vibration Energy Harvester with an Elastic Magnifier
摘要
Abstract
Focusing on the BPEH(Bistable Piezoelectric vibration Energy Harvester)with an EM(Elastic Magnifier), the coupling electromechanical distributed parameter model was established with Hamilton principle and Raleigh-Ritz method. The effects of the mass ratio, stiffness ratio, and the distance of magnets on the output performance were extensively analyzed when the exciting frequency isΩ≥1. The prototype of the new BPEH and the experiment setup were developed,some experiments were carried out to exhibit the output performance. The results show that the new BPEH is a two-degree-of-freedom nonlinear system,which has two bistable motion regions. In the region of Ω≥1, it will oscillate in a large-amplitude high-energy orbit motion excited by large acceleration amplitude.关键词
双稳态压电振动能量采集器/弹性放大器/分布参数模型/仿真与实验Key words
bistable piezoelectric vibration energy harvester/elastic magnifier/distributed parameter electromechanical model/simulation and experiments分类
机械制造引用本文复制引用
杨斌强,徐文潭,王学保,李秀玲,王光庆..带弹性放大器的双稳态压电振动能量采集器[J].传感技术学报,2017,30(5):684-691,8.基金项目
国家自然科学基金项目( 51277165) （ 51277165）
浙江省自然科学基金项目( LY15F010001) （ LY15F010001）
