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压电悬臂梁振动能量收集仿真与试验验证

思建行 戴玉婷 杨淞 王超磊 王若钦 杨超

思建行, 戴玉婷, 杨淞, 等 . 压电悬臂梁振动能量收集仿真与试验验证[J]. 北京航空航天大学学报, 2017, 43(6): 1271-1277. doi: 10.13700/j.bh.1001-5965.2016.0416
引用本文: 思建行, 戴玉婷, 杨淞, 等 . 压电悬臂梁振动能量收集仿真与试验验证[J]. 北京航空航天大学学报, 2017, 43(6): 1271-1277. doi: 10.13700/j.bh.1001-5965.2016.0416
SI Jianhang, DAI Yuting, YANG Song, et al. Simulation and test verification of piezoelectric cantilever vibration energy harvester[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(6): 1271-1277. doi: 10.13700/j.bh.1001-5965.2016.0416(in Chinese)
Citation: SI Jianhang, DAI Yuting, YANG Song, et al. Simulation and test verification of piezoelectric cantilever vibration energy harvester[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(6): 1271-1277. doi: 10.13700/j.bh.1001-5965.2016.0416(in Chinese)

压电悬臂梁振动能量收集仿真与试验验证

doi: 10.13700/j.bh.1001-5965.2016.0416
基金项目: 

国家自然科学基金 11302011

国家自然科学基金 11672018

详细信息
    作者简介:

    思建行, 男, 硕士研究生。主要研究方向:飞行器气动弹性设计

    戴玉婷, 女, 博士, 讲师。主要研究方向:飞行器气动弹性设计

    通讯作者:

    戴玉婷, E-mail: yutingdai@buaa.edu.cn

  • 中图分类号: V221+.3;TB553

Simulation and test verification of piezoelectric cantilever vibration energy harvester

Funds: 

National Natural Science Foundation of China 11302011

National Natural Science Foundation of China 11672018

More Information
  • 摘要:

    基于压电陶瓷的振动能量收集器以其结构简单、清洁环保及易于微型化等诸多优点受到广泛关注。利用压电陶瓷的正压电效应,根据机电理论和结构动力学理论,采用模态法建立了压电悬臂梁的双向耦合分布参数模型,仿真分析了外激励频率和外接负载对压电能量收集器输出电压特性的影响,设计制作了铝制悬臂梁,并进行了地面振动和能量收集试验,试验结果与理论仿真吻合较好,验证了理论建模的正确性。试验结果表明,单个压电片的能量收集电压最大为73 V/N。

     

  • 图 1  粘贴有压电片的欧拉梁示意图

    Figure 1.  Schematic diagram of Euler beam with piezoelectric patch

    图 2  dx长度的悬臂梁微元受力分析

    Figure 2.  Force analysis of a dx-length cantilever element

    图 3  给定外接负载下的输出电压-外激励频率曲线

    Figure 3.  Output voltage versus excitation frequency curve with given load

    图 4  给定外激励频率下的输出电压-外接负载曲线

    Figure 4.  Output voltage versus load curve withgiven excitation frequency

    图 5  试验装置示意图

    Figure 5.  Schematic diagram of test equipment

    图 6  试验装置

    Figure 6.  Test equipment

    图 7  激振力-时间曲线

    Figure 7.  Excitation force versus time curve

    图 8  输出电压-时间曲线

    Figure 8.  Output voltage versus time curve

    图 9  给定外接负载下的输出电压-外激励频率曲线(试验)

    Figure 9.  Output voltage versus excitation frequency curve with given load (test)

    图 10  给定外激励频率下的输出电压-外接负载曲线(试验)

    Figure 10.  Output voltage versus load curve withgiven excitation frequency (test)

    图 11  给定外接负载下输出电压-外激励频率仿真试验结果对比

    Figure 11.  Simulation and test comparison of output voltage versus excitation frequency curve with given load

    图 12  给定外激励频率下输出电压-外接负载仿真试验结果对比

    Figure 12.  Simulation and test comparison of output voltage versus load curve with given excitation frequency

    表  1  压电悬臂梁和压电片的几何参数及材料性能参数

    Table  1.   Geometry and material performance parameters of piezoelectric cantilever and piezoelectric patch

    参数数值
    铝制悬臂梁压电片(PZT-5)
    长/mm53360
    宽/mm3030
    高/mm50.5
    弹性模量/GPa7261
    泊松比0.30.35
    密度/(kg·m-3)2 7007 500
    压电常数e31*/ (C·m-2)-11.27
    电容/nF139
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-05-18
  • 录用日期:  2016-09-05
  • 网络出版日期:  2017-06-20

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