Yipeng Wu
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共振频率可调式非线性压电振动能量收集器
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Affiliation of Author(s):航空学院

Journal:振动与冲击

Key Words:能量回收;频率匹配;压电;非线性;

Abstract:振动能量回收技术能够将环境中的机械振动能转换成电能,进而为微功耗装置供电,具有良好的应用前景。设计了一种利用压电材料的新型振动能量收集器,该机电耦合结构由一对非对称压电悬臂梁组成,悬臂梁末端固定有永磁体,利用永磁体产生的非线性力,实现了悬臂梁共振频率与外界激振频率的匹配调节。提出了该结构的理论模型,借助Matlab/Simulink数值分析软件对理论模型进行了仿真分析,并通过实验进行了验证。实验结果表明外界激励加速度幅值为3 m/s~2的时,结构即能实现较大频带范围内的频率匹配调节,频带范围不低于6.5Hz,最大回收功率不低于2 mW。

Translation or Not:no

Date of Publication:2017-03-15

Co-author:jihongli,Jinhao Qiu,zhanghao

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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