Characteristics of vibration energy harvesting using giant magnetostrictive cantilevers with resonant tuning

Kotaro Mori, Tadashi Horibe, Shigekazu Ishikawa, Yasuhide Shindo, Fumio Narita

研究成果: Article

24 引用 (Scopus)

抜粋

This work deals with the dynamic bending and energy harvesting characteristics of giant magnetostrictive cantilevers with resonant tuning both numerically and experimentally. The giant magnetostrictive cantilever is fabricated using a thin Terfenol-D layer, SUS layer, movable proof mass, etc, and, is designed to automatically adjust its own resonant frequency to match the external vibration frequency in real time. Three-dimensional finite element analysis was conducted, and the resonant frequency, induced voltage and stress in the magnetostrictive cantilevers were predicted. The resonant frequency and induced voltage were also measured, and comparison was made between simulation and experiment. The time-varying behavior and self-tuning ability are discussed in detail.

元の言語English
記事番号125032
ジャーナルSmart Materials and Structures
24
発行部数12
DOI
出版物ステータスPublished - 2015 11 12

ASJC Scopus subject areas

  • Signal Processing
  • Civil and Structural Engineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering

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