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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.15 No.2
- 발행연도
- 2015.1
- 수록면
- 283 - 297 (15page)
이용수
초록· 키워드
오류제보하기
Jacket-type offshore structures are always exposed to severe environmental conditions such as salt, high speed of current, wave, and wind compared with other onshore structures. In spite of the importance of maintaining the structural integrity for an offshore structure, there are few cases to apply a structural health monitoring (SHM) system in practice. The impedance-based SHM is a kind of local SHM techniques and to date, numerous techniques and algorithms have been proposed for local SHM of real-scale structures. However, it still requires a significant challenge for practical applications to compensate unknown environmental effects and to extract only damage features from impedance signals. In this study, the impedance-based SHM was carried out on a 1/20-scaled model of an Uldolmok current power plant structure in Korea under changes in temperature and transverse loadings. Principal component analysis (PCA)-based approach was applied with a conventional damage index to eliminate environmental changes by removing principal components sensitive to them. Experimental results showed that the proposed approach is an effective tool for long-term SHM under significant environmental changes.
목차
등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Abe, M. / 2000 / Impedance-based monitoring of stress in thin structural members / Proceedings of the 11th International Conference on Adaptive Structures and Technologies, Nagoya, Japan
Annamdas, V. G. M. / 2007 / Influence of loading on the electromechanical admittance of piezoceramic transducers / Smart Mater. Struct 16(5):1888~1897
Bhalla, S. / 2002 / Influence of structure-actuator interactions and temperature on piezoelectric mechatronic signatures for NDE / Proceedings of the ISSS-SPIE Int'l Conferences on Smart Materials Structures and Systems, Bangalore, India
Dunteman, G. H. / 1989 / Principal Components Analysis / Sage Publications
Giurgiutiu, V. / 2008 / Structural Health Monitoring With Piezoelectric Wafer Active Sensors / Academic Press
Annamdas, V. G. M. / 2007 / Influence of loading on the electromechanical admittance of piezoceramic transducers / Smart Mater. Struct 16(5):1888~1897
Bhalla, S. / 2002 / Influence of structure-actuator interactions and temperature on piezoelectric mechatronic signatures for NDE / Proceedings of the ISSS-SPIE Int'l Conferences on Smart Materials Structures and Systems, Bangalore, India
Dunteman, G. H. / 1989 / Principal Components Analysis / Sage Publications
Giurgiutiu, V. / 2008 / Structural Health Monitoring With Piezoelectric Wafer Active Sensors / Academic Press
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