Vibration characteristics in a smart bridge model using shape-memory alloy fiber reinforced composite

A. Shiammoto, H. Zhao, H. Abè

研究成果: Conference article査読

抄録

A smart bridge model was proposed for active control on strength and vibration by changing material properties of shape memory alloy embedded in the bridge structure using TiNi/acrylic composite. A systemic experimental study was carried out to investigate the self-strengthening effect by shape recovery of pre-strained TiNi wires as well as vibration control by stiffness changing with direct electric heating method. The deflection and vibration responses are measured by electric strain gages affixed on the bridge floor on which the model train goes through. From these results, we know the smart bridge model of composite material beam has not only been able to reduce the vibration response, but also change the frequency of the structure. The damping and vibration control for the bridge model is confirmed by the measurement.

本文言語English
論文番号81
ページ(範囲)557-564
ページ数8
ジャーナルProceedings of SPIE - The International Society for Optical Engineering
5761
DOI
出版ステータスPublished - 2005 9 30
イベントSmart Structures and Materials 2005 - Active Materials: Behavior and Mechanics - San Diego, CA, United States
継続期間: 2005 3 72005 3 10

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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