Yipeng Wu
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用于超低频振动能收集的压电弹簧摆结构设计与实现
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Affiliation of Author(s):航空学院

Journal:振动工程学报

Key Words:能量收集;弹簧摆;压电;超低频振动;

Abstract:低频振动能量在环境中普遍存在,如何高效收集却始终是一个难题。设计了一种基于普通金属夹的压电弹簧摆结构,由于摆动固有频率仅与软件仿真摆长和重力加速度有关,因此结构共振频率能够较好地匹配环境低频振源,进而高效地将其转化为电能。利用有限元仿真软件仿真并讨论了压电元件的优化布置方案,建立了结构动力学方程,最终搭建实验平台进行了理论验证,性能分析和能量收集器的自供电演示。实验结果表明,该压电弹簧摆结构在超低频条件下(2.03Hz,0.26g),回收功率能够达到13.29mW,具有很高的低频振动能量收集性能。

ISSN No.:1004-4523

Translation or Not:no

Date of Publication:2019-10-15

Co-author:周圣鹏,Jinhao Qiu,jihongli

Correspondence Author:Yipeng Wu

Personal information

Associate Professor
Supervisor of Master's Candidates

Gender:Male

Alma Mater:格勒诺布尔大学

Education Level:格勒诺布尔大学

Degree:Doctoral Degree in Engineering

School/Department:College of Aerospace Engineering

Discipline:Engineering Mechanics. Measurement Technology and Instrumentation

Contact Information:yipeng.wu@nuaa.edu.cn

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