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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 1,229 - 1,236 (8page)
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초록· 키워드
오류제보하기
A set of modal parameters of a stay-cable have been extracted fi:on a moving picture captured by a digital camera supported by shaking hands. It is hard to identify the center of targets attached on the cable surface from the blurred cable motion image, because of the high speed motion of cable, low sampling frequency of camera, and the shaking effect of camera. This study proposes a multi-template matching algorithm to resolve such difficulties. In addition, a sensitivity-based system identification algorithm is introduced to extract the natural frequencies and damping ratios from the ambient cable vibration data. Three sets of vibration tests are conducted to examine the validity of the proposed algorithms. The results show that the proposed technique is pretty feasible for extracting modal parameters from the severely shaking motion pictures.
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등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
1. [학술지(정기간행물)] - Kim, B. H. / 2007 / Estimation of Cable Tension Force Using System Identification Technique / Journal of Sound and Vibration 304 : 660 ~ 676
2. [학술지(정기간행물)] - Nassif, H. H. / 2005 / Comparison of Laser Doppler Vibrometer with Contact Sensors for Monitoring Bridge Deflection and Vibration / NDT&E International 38 : 213 ~ 218
3. [학술지(정기간행물)] - Wahbeh, A. M. / 2003 / A Vision-based Approach for the Direct Measurement of Displacements in Vibrating Systems / Smart Mater Struct 12 : 785 ~ 794
4. [학술지(정기간행물)] - Olaszek, P. / 1999 / Investigation of Dynamic Characteristic of Bridge Structures Using a Computer Vision Method / Measurement 25 : 227 ~ 236
5. [학술지(정기간행물)] - Jauregui, D. V. / 2003 / Noncontact Photogrammetric Measurement of Vertical Bridge Deflection / Journal of Bridge Engineering 8 (4) : 212 ~ 222
2. [학술지(정기간행물)] - Nassif, H. H. / 2005 / Comparison of Laser Doppler Vibrometer with Contact Sensors for Monitoring Bridge Deflection and Vibration / NDT&E International 38 : 213 ~ 218
3. [학술지(정기간행물)] - Wahbeh, A. M. / 2003 / A Vision-based Approach for the Direct Measurement of Displacements in Vibrating Systems / Smart Mater Struct 12 : 785 ~ 794
4. [학술지(정기간행물)] - Olaszek, P. / 1999 / Investigation of Dynamic Characteristic of Bridge Structures Using a Computer Vision Method / Measurement 25 : 227 ~ 236
5. [학술지(정기간행물)] - Jauregui, D. V. / 2003 / Noncontact Photogrammetric Measurement of Vertical Bridge Deflection / Journal of Bridge Engineering 8 (4) : 212 ~ 222
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