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Piezoelectric energy harvesting from vibrations of a beam subjected to multi-moving loads

机译:从多运动载荷作用下的梁的振动中收集压电能量

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摘要

This study is intended to investigate piezoelectric energy harvesting from vibrations of a beam induced by multi-moving loads. Various multi-moving loads are analyzed by considering various parameters. The system of equations for electro-mechanical materials is derived by using the generalized Hamilton's principle under the assumptions of the Euler-Bernoulli beam theory. The electromechanical behavior of piezoelectric harvesters in a uni-morph configuration is analyzed using finite element method. The Newmark's explicit integration technique is adopted for the transient analysis. The predictions of the results of the finite element models are verified by that of the available solutions. The effects of piezoelectric bonding location, velocity and number of moving loads as well as time lags between moving loads on the produced power are investigated. The numerical results show that the investigated parameters have significant effects on the energy harvesting from a vibration of beams under the action of multi-moving loads.
机译:这项研究旨在研究由多运动载荷引起的梁振动产生的压电能量收集。通过考虑各种参数来分析各种多运动负荷。在欧拉-伯努利梁理论的假设下,通过使用广义汉密尔顿原理导出机电材料的方程组。使用有限元方法分析了单晶片配置的压电收割机的机电行为。 Newmark的显式集成技术被用于瞬态分析。有限元模型结果的预测已通过可用解决方案的验证。研究了压电键合位置,移动负载的速度和数量以及移动负载之间的时间间隔对产生的功率的影响。数值结果表明,在多运动载荷作用下,所研究的参数对梁振动产生的能量收集具有重要影响。

著录项

  • 来源
    《Applied Mathematical Modelling》 |2017年第9期|1-16|共16页
  • 作者单位

    Department of Mechanical Engineering, Persian Gulf University, Bushehr, Iran;

    Department of Mechanical Engineering Kermanshah University of Technology, Kermanshah, Iran;

    School of Mechanical Engineering, Shiraz University, Shiraz, Iran;

    Department of Mechanical Engineering, Persian Gulf University, Bushehr, Iran;

  • 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

    Energy harvesting; Vibration; Moving load; Piezoelectric; Finite element;

    机译:能量收集;振动;移动负载;压电有限元;

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