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
- 2018.4
- 수록면
- 181 - 187 (7page)
- DOI
- 10.5050/KSNVE.2018.28.2.181
이용수
초록· 키워드
오류제보하기
This paper is concerned with the vibration measurement of a transmission line by image processing technique. The measurement system consists of a CCD camera and zoom lens. An image data is transferred to the PC and post-processed using a Matlab program. In this study, a numerical algorithm was developed to process the acquired image data. After acquiring the image data for each frame, this data is binarized to trace the cable vibration. In doing so, the area occupied by the cable is expressed by 1 and the background is expressed by 0. By using the proposed image processing technique, the displacement of the cable can then be calculated. The natural frequencies and mode shapes of the cable can be also calculated by applying the FFT algorithm to the time-series data of the cable displacement. In this study, a simple spring cable was first used to verify the proposed technique. Experimental results on the simple spring cable show that the tracing of the cable displacements is possible and natural frequencies and mode shapes can also be computed. Based on this test, the vibration measurement of a full-scale transmission line was carried out by the proposed technique. The field test proves that the proposed image processing technique can be used to measure the vibration of the transmission line.
목차
ABSTRACT
1. 서론
2. 케이블 진동 계측을 위한 영상처리기법
3. 케이블의 진동 계측 결과
4. 실제 송전선을 이용한 진동 계측 실험
5. 결론
References
참고문헌 (11)
참고문헌 신청
Davison, A. E., 1930, Dancing Conductors, Transaction of A. I. E. E., pp. 1444~1449.
Den Hartog, J. P., 1932, Transmission Line Vibration Due to Sleet, Transaction of A. I. E. E., pp. 1074~1076.
Gawronski, K., 1977, Computer Simulation of Galloping Catenaries, Electrical Power Systems Research, Vol. 1, pp. 283~289.
Kwak, M. K., Koo, J. R. and Bae, Y. C., 2014, Dynamic Modeling of Transmission Line Galloping Vibrations, Proceedings of the KSNVE Annual Spring Conference, pp. 518~522.
Kwak, M. K., Shin, J. H., Koo, J. R. and Bae, Y. C., 2014, Vibration Measurement of Cable by Image Processing Technique, Proceedings of the KSNVE Annual Autumn Conference, pp. 303~305.
Den Hartog, J. P., 1932, Transmission Line Vibration Due to Sleet, Transaction of A. I. E. E., pp. 1074~1076.
Gawronski, K., 1977, Computer Simulation of Galloping Catenaries, Electrical Power Systems Research, Vol. 1, pp. 283~289.
Kwak, M. K., Koo, J. R. and Bae, Y. C., 2014, Dynamic Modeling of Transmission Line Galloping Vibrations, Proceedings of the KSNVE Annual Spring Conference, pp. 518~522.
Kwak, M. K., Shin, J. H., Koo, J. R. and Bae, Y. C., 2014, Vibration Measurement of Cable by Image Processing Technique, Proceedings of the KSNVE Annual Autumn Conference, pp. 303~305.
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