Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Design and Analyses of Vibration Driven Electromagnetic Energy Harvester with High Power Generation at Low Frequency

저주파수에서 고출력을 갖는 진동형 전자기식 에너지 하베스터의 설계 및 해석

  • 정귀상 (울산대학교 전기전자정보시스템공학부) ;
  • 류경일 (울산대학교 전기전자정보시스템공학부)
  • Received : 2010.05.10
  • Accepted : 2010.08.02
  • Published : 2011.01.31
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Abstract

This paper describes the design and analyses of vibration driven electromagnetic energy harvester with high power generation which is suitable for supplying power generator from human body motion. The proposed harvester consists of magnet, coil, and SM (Soft magnetic Material). In order to generate more induced voltage, the SM to concentrate flux lines from end of magnetic poles was arranged into insert moving magnet. Each model was designed and analyzed by using ANSYS software to simulation. The maximum power is generated when load resistance of $1303\;{\Omega}$ is equal to coil resistance. The generated maximum power of for harvesters with SM is $677.85\;{\mu}W$ and 5.46 times higher than without SM at 6 Hz vibration frequency.

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References

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