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作者:

Chen, L. H. (Chen, L. H..) | Xue, J. T. (Xue, J. T..) | Chang, L. Q. (Chang, L. Q..) | Yang, F. H. (Yang, F. H..)

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摘要:

The structure optimization of piezoelectric energy harvester aims at frequency reduction, broadening bandwidth and increasing output mainly. This paper employs a cantilever with cavity modelled by the finite element software COMSOL Multiphysics and the effect of the cavity on transducer is studied. The first order characteristic frequency is obtained by modal analysis module and the frequency response curve is solved by frequency domain analysis module. Comparison results show that the introducing of cavity improves output voltage of energy harvester and reducing device nature frequency. Moreover, effect of the cavity size parameters such as the thickness, length and position on frequency, output and conversion rate of the harvester is studied, after that the energy harvester structure is optimized.

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作者机构:

  • [ 1 ] [Chen, L. H.]Beijing Univ Technol, Coll Mech Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Xue, J. T.]Beijing Univ Technol, Coll Mech Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Chang, L. Q.]Beijing Univ Technol, Coll Mech Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Chen, L. H.]Key Lab Nonlinear Vibrat & Strength Mech Struct, Beijing 100124, Peoples R China
  • [ 5 ] [Xue, J. T.]Key Lab Nonlinear Vibrat & Strength Mech Struct, Beijing 100124, Peoples R China
  • [ 6 ] [Chang, L. Q.]Key Lab Nonlinear Vibrat & Strength Mech Struct, Beijing 100124, Peoples R China
  • [ 7 ] [Yang, F. H.]Cent Univ Finance Econ, Sch Math & Stat, Beijing 100081, Peoples R China

通讯作者信息:

  • [Yang, F. H.]Cent Univ Finance Econ, Sch Math & Stat, Beijing 100081, Peoples R China

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来源 :

2ND INTERNATIONAL CONFERENCE ON MATERIAL STRENGTH AND APPLIED MECHANICS

ISSN: 1757-8981

年份: 2019

卷: 629

语种: 英文

被引次数:

WoS核心集被引频次: 1

SCOPUS被引频次: 1

ESI高被引论文在榜: 0 展开所有

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