Structural Engineering and Mechanics

  • 제38권4호
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  • Pages.417-428
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  • 2011
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Recovering missing data transmitted from a wireless sensor node for vibration-based bridge health monitoring

  • Kim, C.W. (Department of Civil & Earth Resources Engineering, Graduate School of Engineering, Kyoto University) ;
  • Kawatani, M. (Department of Civil Engineering, Graduate School of Engineering, Kobe University) ;
  • Ozaki, R. (Department of Civil Engineering, Graduate School of Engineering, Kobe University) ;
  • Makihata, N. (JIP Techno Science Corporation)
  • 투고 : 2010.04.27
  • 심사 : 2011.01.15
  • 발행 : 2011.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents recovering of missing vibration data of a bridge transmitted from wireless sensors. Kalman filter algorithm is adopted to reconstruct the missing data analytically. Validity of the analytical approach is examined through a field experiment of a bridge. Observations demonstrate that, even a part of recovered acceleration responses is underestimated in comparison with those responses taken from cabled sensors, dominant frequencies taken from the reconstructed data are comparable with those from cabled sensors.

키워드

참고문헌

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