지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 201 - 210 (10page)
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초록· 키워드
오류제보하기
The improvement in computing systems and sensor technologies devotes to conduct data-driven structural health monitoring algorithms for existing civil infrastructures. Despite of the development of techniques, the uncertainty oriented from the measurement results in the discrepancy to the actual structural parameters and let engineers or decision makers hesitate to adopt such techniques. Many studies have shown that the modal identification results can be affected by the uncertainties due to the applied methods and the types of loading. This paper aims to compare the performance of modal identification methods using Structural Modal Identification Toolsuite (SMIT) which has been developed to facilitate multiple identification methods with a user-friendly designed platform. The data fed into SMIT processes three stages for the comprehensive identification including preprocessing, eigenvalue estimation, and post-processing. The seismic and white noise response for shear frame model was obtained from numerical simulation. The identified modal parameters is compared to the actual modal parameters. In order to improve the quality of coherence in identified modal parameters, several hurdles including modal phase collinearity and extended modal amplitude coherence were introduced. Numerical simulation conducted on the 5 dof shear frame model were used to validate the effectiveness of using these parameters.
목차
등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
Chang PC / 2003 / Health Monitoring of Civil Infrastructure / Structural Health Monitoring 2(3):257~267
Carden EP / 2004 / Vibration Based Condition Monitoring:A Review / Structural Health Monitoring 3(4):355~377
Farrar CR / 2007 / An Introduction to Structural Health Monitoring / Philosophical Transactions of the Royal Society of London A: Mathematical, Physical and Engineering Sciences 365(1851):303~315
Juang JN / 1985 / An Eigensystem Realization Algorithm for Modal Parameter Identification and Model Reduction / Journal of Guidance, Control, and Dynamics 8(5):620~627
Juang JN / 1994 / Applied system identification / Prentice Hall :394
Carden EP / 2004 / Vibration Based Condition Monitoring:A Review / Structural Health Monitoring 3(4):355~377
Farrar CR / 2007 / An Introduction to Structural Health Monitoring / Philosophical Transactions of the Royal Society of London A: Mathematical, Physical and Engineering Sciences 365(1851):303~315
Juang JN / 1985 / An Eigensystem Realization Algorithm for Modal Parameter Identification and Model Reduction / Journal of Guidance, Control, and Dynamics 8(5):620~627
Juang JN / 1994 / Applied system identification / Prentice Hall :394
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