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Investigation upon the performance of piezoelectric energy harvester with elastic extensions

机译：弹性延伸压电能量收割机性能调查

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摘要

Piezoelectric vibration energy harvesters have attracted much attention due to its potential to replace currently popular batteries and to provide an sustainable power sources. Many researchers have proposed ways to increase the performance of piezoelectric energy harvesters like bandwidth, working frequency and output performance. Here in this contribution, we propose the method of using elastic extensions to tune the performance of a piezoelectric energy harvester. Mathematical model of the proposed device is derived and analyzed. Numerical simulations are done to investigate the influences of the derived parameters, like length ratio λ_l, bending stiffness ratio λ_B, and line density ratio λ_m. Results show that the elastic extension does change the motion of the proposed device and help tune the performance of piezoelectric energy harvesters.
机译：压电振动能量收割机由于其可能代替目前流行的电池并且提供可持续的电源而引起了很多关注。许多研究人员提出了提高压电能量收割机的性能，如带宽，工作频率和输出性能。在此贡献中，我们提出了利用弹性延伸来调整压电能量收割机的性能的方法。衍生和分析所提出的装置的数学模型。完成数值模拟以研究衍生参数的影响，如长度比λ_L，弯曲刚度比λ_b和线浓度比λ_m。结果表明，弹性延伸确实改变了所提出的装置的运动，并有助于调节压电能量收割机的性能。

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  • 来源
    《Applied Mathematical Modelling》 |2020年第7期|438-453|共16页
  • 作者

    Maoying Zhou; Yang Fu; Ban Wang; Huawei Ji;

  • 作者单位

    School of Mechanical Engineering Hangzhou Dianzi University Hangzhou China;

    The State Key Laboratory of Fluid Power and Mechatronic Systems Zhejiang University Hangzhou China School of Mechanical and Energy Engineering Zhejiang University of Science and Technology Hangzhou China;

    School of Mechanical Engineering Hangzhou Dianzi University Hangzhou China;

    School of Mechanical Engineering Hangzhou Dianzi University Hangzhou China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Piezoelectric energy harvesting; Piezoelectric bimorph cantilever; Elastic extension; Performance tuning;

    机译：压电能量收获;压电双臂悬臂;弹性延伸;性能调整;

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