Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Fabrication of a Low Frequency Vibration Driven Electromagnetic Energy Harvester Using FR-4 Planar Spring and Its Characteristics

FR-4 평판 스프링 기반 저주파수용 진동형 전자기식 에너지 하베스터의 제작과 그 특성

  • Received : 2011.06.11
  • Accepted : 2011.07.18
  • Published : 2011.07.31
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Abstract

This paper describes the fabrication and characteristics of a low frequency vibration driven electromagnetic energy harvester. The fabricated generator consists of a permanent magnet of NdFeB, a FR-4 planar spring and a Copper cylinder type coil. ANSYS modal analysis was used to determine the resonant frequency for the generator. The implemented generator is capable of producing up to 550 mV peak-to-peak under 7 Hz frequency, which has a maximum power of $95.5\;{\mu}W$ with load resistance of $580\;{\Omega}$. This device is shown to generate sufficient power at different resonating modes, and the experimental and simulated results are discussed and composed.

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References

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