Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Design and Fabrication of Scaffold Type Energy Harvester Using Multiplying Gear Module

증속기어 모듈을 이용한 발판형 에너지 하베스터의 설계 및 제작

  • Min, Chul Hong (School of Computer Science and Engineering, The Catholic University of Korea) ;
  • Kim, Tae Seon (School of Information, Communications and Electronics Engineering, The Catholic University of Korea)
  • 민철홍 (가톨릭대학교 컴퓨터공학과) ;
  • 김태선 (가톨릭대학교 정보통신전자공학부)
  • Received : 2014.10.10
  • Accepted : 2014.10.31
  • Published : 2014.12.01
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Abstract

In this paper, we designed and fabricated electromagnetic induction based scaffold type energy harvester. For energy harvesting, mechanical energy of vertical motion is transferred to rotational energy using rack gear and multiplying gear was used to maximize energy transfer. To optimize design parameters, physical structure of energy harvester was modeled using finite element method. The effect of multiplying gear ratio and frequency levels of applied mechanical energy on energy generation efficiency are analyzed by computer simulation and experimental test. Experimental results showed that maximum 25.36 W of electric power can be achieved at the frequency of 2 Hz and 1:77 of gear ratio with only 5 mm of vertical changes on scaffold structure.

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References

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