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非线性双稳态压电俘能系统阱间阱内运动谐波分析

朱培 任兴民 秦卫阳 周志勇

朱培, 任兴民, 秦卫阳, 周志勇. 非线性双稳态压电俘能系统阱间阱内运动谐波分析[J]. 机械科学与技术, 2018, 37(2): 187-192. doi: 10.13433/j.cnki.1003-8728.2018.0204
引用本文: 朱培, 任兴民, 秦卫阳, 周志勇. 非线性双稳态压电俘能系统阱间阱内运动谐波分析[J]. 机械科学与技术, 2018, 37(2): 187-192. doi: 10.13433/j.cnki.1003-8728.2018.0204
Zhu Pei, Ren Xingmin, Qin Weiyang, Zhou Zhiyong. Harmonic Analysis of a Bistable Piezoelectric Energy Harvester on Intrawell and Interwell Oscillations[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(2): 187-192. doi: 10.13433/j.cnki.1003-8728.2018.0204
Citation: Zhu Pei, Ren Xingmin, Qin Weiyang, Zhou Zhiyong. Harmonic Analysis of a Bistable Piezoelectric Energy Harvester on Intrawell and Interwell Oscillations[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(2): 187-192. doi: 10.13433/j.cnki.1003-8728.2018.0204

非线性双稳态压电俘能系统阱间阱内运动谐波分析

doi: 10.13433/j.cnki.1003-8728.2018.0204
基金项目: 

国家自然科学基金项目(11672237,11272257)、航空科学基金项目(2013ZB08001)、航天科技创新基金项目(2016kc060013)及中央高校基本科研业务费项目(3102016ZY016)资助

详细信息
    作者简介:

    朱培(1984-),博士研究生,研究方向为非线性动力、压电俘能等研究,XiaoYuanWang@mail.nwpu.edu.cn

    通讯作者:

    任兴民,教授,博士生导师,renxmin@nwpu.edu.cn

Harmonic Analysis of a Bistable Piezoelectric Energy Harvester on Intrawell and Interwell Oscillations

  • 摘要: 首先对压电俘能系统进行了平衡点分岔分析,证明其具有非线性双稳态特性,并且得到系统的运动方程。再采用谐波平衡法对双稳态压电俘能系统进行分析,推导出了激励幅值、激励频率、响应幅值及输出功率之间的解析关系式,预测了结构的阱内、阱间动力学响应。分析了阻尼、阻抗、激励幅值、激励频率等参数对响应幅值及输出功率的影响。结果表明,阻尼、阻抗对能量获取频带宽度、响应幅值有较大影响。系统阱间、阱内运动均有高、低能量态共存现象,不同激励幅值和激励频率下存在最优阻抗使得输出功率最大。
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出版历程
  • 收稿日期:  2016-12-19
  • 刊出日期:  2018-02-25

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