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.28 No.5
- 발행연도
- 2021.11
- 수록면
- 605 - 615 (11page)
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초록· 키워드
오류제보하기
Placing controllers and sensors properly is important in structural health monitoring and control. Many optimization methods require much computation efforts. This paper used Hankel norms to develop the placement rules, because they involve the input and output gains and thus could be shaped by the locations. In modal form, their computations are relatively simple. The location and mode influences on norms were arranged in rows and columns, respectively, to form a matrix, and was normalized by the column (mode) root mean square. The optimization goal is to choose locations with higher index values and lower correlations to ensure higher controllability and observability, and with less effort to be compensated for by gains. Hankel norm is compatible with the LQR control objectives in that they are both 2-norm, so the methodology is appropriate to be applied to the base isolation benchmark building for structural control, which is an eight-story irregular building with ninety-two candidate locations for controllers and thirty-six locations for sensors. Following the method, ten controller locations and eighteen sensor locations were determined. Earthquake time history analysis using LQG technique validated the effectiveness of thus determined subset of locations by comparing with other subset of locations.
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참고문헌 (20)
참고문헌 신청
Caterina Bigoni / 2020 / Systematic sensor placement for structural anomaly detection in the absence of damaged states / Computer Methods in Applied Mechanics and Engineering 371:113315
Shaunak D. Bopardikar / 2021 / A randomized approach to sensor placement with observability assurance / Automatica 123:109340
Boyd, S. P. / 1991 / Linear Control Design / Prentice Hall
Fabio Casciati / 2014 / Sensor placement driven by a model order reduction (MOR) reasoning / Smart Structures and Systems, An International Journal 13(3):343~352
Choi, J. W. / 2000 / Measures of modal controllability and observability in balanced coordinates for optimal placement of sensors and actuators: a flexible structure application / Proceedings of SPIE’s 7th Annual International Symposium on Smart Structures and Materials 3984:425~436
Shaunak D. Bopardikar / 2021 / A randomized approach to sensor placement with observability assurance / Automatica 123:109340
Boyd, S. P. / 1991 / Linear Control Design / Prentice Hall
Fabio Casciati / 2014 / Sensor placement driven by a model order reduction (MOR) reasoning / Smart Structures and Systems, An International Journal 13(3):343~352
Choi, J. W. / 2000 / Measures of modal controllability and observability in balanced coordinates for optimal placement of sensors and actuators: a flexible structure application / Proceedings of SPIE’s 7th Annual International Symposium on Smart Structures and Materials 3984:425~436
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