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Study on FBG Sensors for Hull Stress Monitoring

선체 응력 모니터링을 위한 FBG 센서에 대한 연구

  • Kim, Yu-Mi (Convergence of IT Devices Institute Busan) ;
  • Lee, Nam-Kwon (Convergence of IT Devices Institute Busan) ;
  • Lee, Seung-Hwan (Convergence of IT Devices Institute Busan) ;
  • Bae, Dong-Myung (Department of Naval Architecture and Marine Systems Engineering, Pukyong National University) ;
  • Yu, Yun-Sik (Convergence of IT Devices Institute Busan)
  • 김유미 (부산IT융합부품연구소) ;
  • 이남권 (부산IT융합부품연구소) ;
  • 이승환 (부산IT융합부품연구소) ;
  • 배동명 (부경대학교 조선해양시스템공학과) ;
  • 유윤식 (부산IT융합부품연구소)
  • Received : 2012.04.24
  • Accepted : 2012.05.16
  • Published : 2012.07.31

Abstract

Vessels receive stress during their navigations as well as during their cargo operations. This stress may cause damages to the hull and may result in accidents. So the hull stress monitoring system(HSMS) is recommended in order to prevent these accidents. In this paper, we manufactured fiber Bragg grating(FBG) sensor and the model ship for towing tank experiments. The strain characteristics of the model ship on the water wave were measured through the towing tank experiment. The FBG sensors and electric strain gauges were attached on the connection jig, and then the characteristics of the FBG sensor were compared with those of the electric strain gauge. The strain of model ship was increased according to the increment of the amplitude of water wave. In particular, the largest strain was measured in the center of the model ship. As the wave period increased, the strain of model ship was decreased.

Keywords

References

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