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
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.23 No.3
- 발행연도
- 2019.1
- 수록면
- 279 - 293 (15page)
이용수
초록· 키워드
오류제보하기
To ensure high quality data being used for data mining or feature extraction in the bridge structural health monitoring (SHM) system, a practical sensor fault diagnosis methodology has been developed based on the similarity of symmetric structure responses. First, the similarity of symmetric response is discussed using field monitoring data from different sensor types. All the sensors are initially paired and sensor faults are then detected pair by pair to achieve the multi-fault diagnosis of sensor systems. To resolve the coupling response issue between structural damage and sensor fault, the similarity for the target zone (where the studied sensor pair is located) is assessed to determine whether the localized structural damage or sensor fault results in the dissimilarity of the studied sensor pair. If the suspected sensor pair is detected with at least one sensor being faulty, field test could be implemented to support the regression analysis based on the monitoring and field test data for sensor fault isolation and reconstruction. Finally, a case study is adopted to demonstrate the effectiveness of the proposed methodology. As a result, Dasarathy’s information fusion model is adopted for multi-sensor information fusion. Euclidean distance is selected as the index to assess the similarity. In conclusion, the proposed method is practical for actual engineering which ensures the reliability of further analysis based on monitoring data.
목차
등록된 정보가 없습니다.
참고문헌 (27)
참고문헌 신청
Carlos F. Alcala / 2011 / Analysis and generalization of fault diagnosis methods for process monitoring / Journal of Process Control 21(3):322~330
Mehran Amiri / 2016 / Missing data imputation using fuzzy-rough methods / Neurocomputing 205(C):152~164
Bi, W. / 2017 / Combination method of conflict evidences based on evidence similarity / J. Syst. Eng. Electron 28(3):503~513
Chia-Ming Chang / 2017 / A sensor fault detection strategy for structural health monitoring systems / Smart Structures and Systems, An International Journal 20(1):43~52
Chien-Chou Chen / 2013 / Determination of stay cable force based on effective vibration length accurately estimated from multiple measurements / Smart Structures and Systems, An International Journal 11(4):411~433
Mehran Amiri / 2016 / Missing data imputation using fuzzy-rough methods / Neurocomputing 205(C):152~164
Bi, W. / 2017 / Combination method of conflict evidences based on evidence similarity / J. Syst. Eng. Electron 28(3):503~513
Chia-Ming Chang / 2017 / A sensor fault detection strategy for structural health monitoring systems / Smart Structures and Systems, An International Journal 20(1):43~52
Chien-Chou Chen / 2013 / Determination of stay cable force based on effective vibration length accurately estimated from multiple measurements / Smart Structures and Systems, An International Journal 11(4):411~433
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