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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.27 No.3
- 발행연도
- 2021.1
- 수록면
- 537 - 546 (10page)
이용수
초록· 키워드
오류제보하기
The development of image sensors enables the application of vision-based techniques to the non-contact displacement measurement of large-scale structures. The features of the physical targets are critical to the accuracy, stability and anti-interference of the displacement measurement results. In this study, a novel m-sequence target and the associated circular correlation processing technique are developed for real-time displacement measurement. The properties of the m-sequence as a pseudo-random sequence are introduced. The vision-based displacement calculation method is then derived from the correlation property of the m-sequence. The algorithms and measurement systems are integrated in the LabVIEW environment. To verify the anti-interference performance of the developed system, static and dynamic experimental tests are carried out with various forms of interference, such as partial occlusion, uneven illumination, out of focus and smoke effect. Experimental results indicate that the developed system cannot only accurately measure structural displacement, but also has outstanding antiinterference performance, even if 30% of the target is masked.
목차
등록된 정보가 없습니다.
참고문헌 (40)
참고문헌 신청
Yuequan Bao / 2019 / Computer vision and deep learning–based data anomaly detection method for structural health monitoring / Structural Health Monitoring 18(2):401~421
J.M.W Brownjohn / 2007 / Structural health monitoring of civil infrastructure / Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 365(1851):589~622
G. Busca / 2014 / Vibration Monitoring of Multiple Bridge Points by Means of a Unique Vision-Based Measuring System / Experimental Mechanics 54(2):255~271
E. Caetano / 2011 / A VISION SYSTEM FOR VIBRATION MONITORING OF CIVIL ENGINEERING STRUCTURES / Experimental Techniques 35(4):74~82
F. Casciati / 2019 / Vision-based support in the characterization of superelastic U-shaped SMA elements / Smart Structures and Systems, An International Journal 24(5):641~648
J.M.W Brownjohn / 2007 / Structural health monitoring of civil infrastructure / Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 365(1851):589~622
G. Busca / 2014 / Vibration Monitoring of Multiple Bridge Points by Means of a Unique Vision-Based Measuring System / Experimental Mechanics 54(2):255~271
E. Caetano / 2011 / A VISION SYSTEM FOR VIBRATION MONITORING OF CIVIL ENGINEERING STRUCTURES / Experimental Techniques 35(4):74~82
F. Casciati / 2019 / Vision-based support in the characterization of superelastic U-shaped SMA elements / Smart Structures and Systems, An International Journal 24(5):641~648
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