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势阱深度对双稳态电磁发电系统发电性能的影响研究

张小静 刘丽兰 任博林 李淑超

张小静, 刘丽兰, 任博林, 李淑超. 势阱深度对双稳态电磁发电系统发电性能的影响研究[J]. 应用数学和力学, 2017, 38(6): 622-632. doi: 10.21656/1000-0887.370246
引用本文: 张小静, 刘丽兰, 任博林, 李淑超. 势阱深度对双稳态电磁发电系统发电性能的影响研究[J]. 应用数学和力学, 2017, 38(6): 622-632. doi: 10.21656/1000-0887.370246
ZHANG Xiao-jing, LIU Li-lan, REN Bo-lin, LI Shu-chao. Influence of Potential Well Depth on Power Generation Performance of Bistable Electromagnetic Energy Harvesting Systems[J]. Applied Mathematics and Mechanics, 2017, 38(6): 622-632. doi: 10.21656/1000-0887.370246
Citation: ZHANG Xiao-jing, LIU Li-lan, REN Bo-lin, LI Shu-chao. Influence of Potential Well Depth on Power Generation Performance of Bistable Electromagnetic Energy Harvesting Systems[J]. Applied Mathematics and Mechanics, 2017, 38(6): 622-632. doi: 10.21656/1000-0887.370246

势阱深度对双稳态电磁发电系统发电性能的影响研究

doi: 10.21656/1000-0887.370246
基金项目: 国家自然科学基金(11572243)
详细信息
    作者简介:

    张小静(1990—),女,硕士生(E-mail: duoduollp@163.com);刘丽兰(1979—),女,副教授(通讯作者. E-mail: liulilans@163.com).

  • 中图分类号: TH113.1

Influence of Potential Well Depth on Power Generation Performance of Bistable Electromagnetic Energy Harvesting Systems

Funds: The National Natural Science Foundation of China(11572243)
  • 摘要: 电磁式振动能量捕获技术从单稳态系统发展到多稳态系统,拓宽了响应频带,增大了输出电压,能够获得较好的发电性能.以附加线性振子的双稳态电磁式振动能量捕获器为研究对象,主要研究了势阱深度对双稳态系统发电性能的影响,并基于最优发电性能下的势阱深度,研究了双稳态系统结构参数中质量比与调频比对系统发电性能的影响.通过数值仿真结果说明,在外部激励频率为低频时:势阱深度较大时,双稳态系统的振子只能在一个阱内发生小幅振动运动;当势阱深度小到一定程度时,双稳态系统的振子跨过势垒在两个阱间内发生大幅混沌运动或周期运动,其优于小幅振动运动时的平均输出功率.通过数值模拟,得到双稳态系统具有较高的发电性能下的最优质量比、调频比以及阻尼比参数.
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出版历程
  • 收稿日期:  2016-08-05
  • 修回日期:  2016-09-06
  • 刊出日期:  2017-06-15

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