Production of vibration energy harvester with impact-sliding structure using magnetostrictive Fe-Co-V alloy rod

Shin ichi Yamaura, Takashi Nakajima, Yuki Kamata, Toshio Sasaki, Tetsushi Sekiguchi

研究成果: Article査読

2 被引用数 (Scopus)

抄録

In this work, an axial-type vibration energy harvester with an impact-sliding structure that uses a magnetostrictive Permendur (Fe-Co-V) rod was produced and its power generation properties were measured. It was found that all the peak frequencies analyzed using the FFT method from the experimentally obtained voltage waveforms were consistent with the calculated inherent frequencies of the axial vibration of the rod. Therefore, the power generation by the proposed harvester likely resulted from the inherent axial vibration of the magnetostrictive rod. Furthermore, the maximum output energy obtained in this work was 1592 µJ, which was generated by a harvester with 3000 coil turns and two magnets under a load resistance of 3 kΩ. It was found that the maximum output energy was generated when the load resistance was close to the coil impedance at the inherent frequency of the axial vibration of the rod.

本文言語English
論文番号167260
ジャーナルJournal of Magnetism and Magnetic Materials
514
DOI
出版ステータスPublished - 2020 11 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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