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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.58 No.1
- 발행연도
- 2016.1
- 수록면
- 163 - 179 (17page)
이용수
초록· 키워드
오류제보하기
The Cuckoo search (CS) algorithm is a simple and efficient global optimization algorithm and it has been applied to figure out large range of real-world optimization problem. In this paper, a new formula is introduced to the discovering probability process to improve the convergence rate and the Tournament Selection Strategy is adopted to enhance global search ability of the certain algorithm. Then an approach for structural damage identification based on modified Cuckoo search (MCS) is presented. Meanwhile, we take frequency residual error and the modal assurance criterion (MAC) as indexes of damage detection in view of the crack damage, and the MCS algorithm is utilized to identifying the structural damage. A simply supported beam and a 31-bar truss are studied as numerical example to illustrate the correctness and efficiency of the propose method. Besides, a laboratory work is also conducted to further verification. Studies show that, the proposed method can judge the damage location and degree of structures more accurately than its counterpart even under measurement noise, which demonstrates the MCS algorithm has a higher damage diagnosis precision.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Brehm, M. / 2010 / An automatic mode pairing strategy using an enhanced modal assurance criterion based on modal strain energies / J. Sound Vib 329(25):5375~5392
Buezas, F.S. / 2011 / Damage detection with genetic algorithms taking into account a crack contact model / Eng. Fract. Mech 78(4):695~712
Cawley, P. / 1979 / The location of defects in structures from measurements of natural frequencies / J. Strain Anal 14(2):49~57
Ghafory-Ashtiany, M. / 2013 / System identification method by using inverse solution of equations of motion in frequency domain / J. Vib. Control 19(11):1633~1645
Guo, H.Y. / 2014 / Structural damage identification based on evidence fusion and improved particle swarm optimization / J. Vib. Control 20(9):1279~1292
Buezas, F.S. / 2011 / Damage detection with genetic algorithms taking into account a crack contact model / Eng. Fract. Mech 78(4):695~712
Cawley, P. / 1979 / The location of defects in structures from measurements of natural frequencies / J. Strain Anal 14(2):49~57
Ghafory-Ashtiany, M. / 2013 / System identification method by using inverse solution of equations of motion in frequency domain / J. Vib. Control 19(11):1633~1645
Guo, H.Y. / 2014 / Structural damage identification based on evidence fusion and improved particle swarm optimization / J. Vib. Control 20(9):1279~1292
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