System design of a weighted-pendulum-type electromagnetic generator for harvesting energy from a rotating wheel

Yu Jen Wang, Chung De Chen, Cheng Kuo Sung

研究成果: Article同行評審

50 引文 斯高帕斯(Scopus)

摘要

This paper proposes the system design of a weightedpendulum- type electromagnetic generator for harvesting energy from a rotating wheel. Different from the traditional energyharvesting device, the natural frequency of the suitable weighted pendulum, which oscillates due to periodic change of the tangential component of gravitational force, can match up with the rotational frequency of the wheel at any speed. In addition, the pendulum oscillates at a large angle and angular velocity so as to generate a large amount of power. The physical model of the pendulum was first constructed and the equation of motion was then derived via the Lagrange method. Then, the models of power generation were derived by using Faraday's law of induction and the Lorentz force law. The nonlinear dynamic behaviors were discussed considering the characteristic length, variable electromagnetic damping, and wheel rotation speed. Finally, an experimental rig was constructed to verify the correctness of numerical results. The suitable weighted pendulum combined with coils and magnets has demonstrated the power generation of several hundred micro-Watts in the experiment.

原文English
文章編號6151159
頁(從 - 到)754-763
頁數10
期刊IEEE/ASME Transactions on Mechatronics
18
發行號2
DOIs
出版狀態Published - 2013

All Science Journal Classification (ASJC) codes

  • 控制與系統工程
  • 電腦科學應用
  • 電氣與電子工程

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