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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 191 - 198 (8page)
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초록· 키워드
오류제보하기
One of the most important techniques utilized in the maintenance of existing structures is structural health monitoring. Innovative and sensitive sensors as well as real-time measurement systems that can collect more accurate information and evaluate structural performance more explicitly have been developed. Starting from the static equilibrium equation constrained by eigenvectors of stiffness matrix and generalized coordinates, this work presents the optimal sensor placement (OSP) algorithms of D-1 and D-2 algorithms as direct method, FIM-based approach, EI-based algorithm, and the orthogonalization methods using Gran-Schmidt orthgonalization and proper orthogonal decomposition. The validity of the proposed methods is illustrated in a truss structure. The FIM-based approach, EI-based algorithm, and EV-based approach indicated similar sensor locations along the entire span. It is analyzed that the difference of the OSPs comes from the establishment of different weighting matrices, numerical approximation, and the numerically inappreciable difference during the iteration.
목차
Abstract
1. 서론
2. OSP기법
3. 수치실험
4. 결론
REFERENCES
참고문헌 (12)
참고문헌 신청
Bertola, N., Papadopoulou, M., Vernay, D., & Smith, I. (2017). Optimal multi-type sensor placement for structural identification by static-load testing, Sensors, 17(12), 2904, doi:10.3390/s17122904.
Gong, Y., Liu, H., & Cheng, Y. (2011). Optimal placement of static sensors based on damage identification for bridge health monitoring, Third International Conference on Transportation Engineering(ICTE).
Eun, H., Lee, E., & Chung, H. (2004). On the static analysis of constrained structural systems, Canadian Journal of Civil Engineering, 31(6), 1119-1122.
Kammer, D. (1991). Sensor placement for on-orbit modal identification and correlation of large space structures, Journal of Guidance, Control, and Dynamics, 14(2), 251-259.
Kammer, D., & Peck, J. (2008). Mass-weighting methods for sensor placement using sensor set expansion techniques, Mechanical Systems and Signal Processing, 22(7), 1515-1525.
Gong, Y., Liu, H., & Cheng, Y. (2011). Optimal placement of static sensors based on damage identification for bridge health monitoring, Third International Conference on Transportation Engineering(ICTE).
Eun, H., Lee, E., & Chung, H. (2004). On the static analysis of constrained structural systems, Canadian Journal of Civil Engineering, 31(6), 1119-1122.
Kammer, D. (1991). Sensor placement for on-orbit modal identification and correlation of large space structures, Journal of Guidance, Control, and Dynamics, 14(2), 251-259.
Kammer, D., & Peck, J. (2008). Mass-weighting methods for sensor placement using sensor set expansion techniques, Mechanical Systems and Signal Processing, 22(7), 1515-1525.
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