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구조물의 손상탐지를 위한 센서위치 연구
A Study on the Sensor Placement for Structural Damage Detection

최영재   (인하대학교 기계공학부UU0001092  ); 이우식   (인하대학교 기계공학부UU0001092  );
  • 초록

    In the present study, the inverse perturbation method is applied to the structural damage detection in conjunction with a system condensation technique. The system condensation technique is adopted to r esolve the problem due to the incomplete measurement of the degrees-of-freedom (DOFs) in a natural mode. However, the numerical difficulty may arise in the system condensation when the DOFs to be measured are not properly selected. Thus, the issue of sensor placement for structural damage detection, in the framework of the condensation technique-based inverse perturbation method, is considered in this study. Also, a methodology to measure the number of sensors required to obtain reliable damage detection is proposed and then verified through some illustrative example problem.


  • 주제어

    구조손상 .   손상탐지 .   불완전 측정 .   시스템축소 .   센서위치.  

  • 참고문헌 (19)

    1. Choi, Y. J. and Lee, U., 2002, 'System Condensation Technique-Based Inverse Perturbation Method of Damage Detection,' Journal of the Korean Society for Aeronautical and Space Sciences, Vol. 30, No.7, pp. 98-104     
    2. Kidder, R. L., 1975, 'Reply by Author to A. H. Flax,' AIAA Journal, Vol. 13, pp. 702-703 
    3. Guyan, R. J., 1965, 'Reduction of Stiffuess and Mass Matrices,' AIAA Journal, Vol. 3, No.2, p. 380 
    4. Kim, K. O. and Kang, M. K., 2001, 'Convergence Acceleration of Iterative Modal Reduction Methods,' AIAA Journal, Vol. 39, No. 1, pp.134-140 
    5. Flax, A. H., 1975, 'Comment on Reduction of Structural Frequency Equations', AIAA Journal, Vol. 13, pp. 701-702 
    6. Kidder, R. L., 1973, 'Reduction of Structural Frequency Equations,' AIAA Journal, Vol. 11, p.892 
    7. Kim, K. O., Yoo, H. S. and Choi, Y. J., April 2001, 'Optimal Sensor Placement for dynamic testing of Large Structures,' 42nd AIAA SDM Conference, Seattle, AIAA01-1232 
    8. Kammer, D. C., 1991, 'Sensor Placement for On-Orbit Modal Identification and Correlation of Large Space Structures,' Journal of Guidance, Control and Dynamics, Vol. 14, No.2, pp. 251-259 
    9. Kim, K. O. and Choi, Y. J., 2000, 'Energy Method for Selection of Degrees of Freedom in condensation,' AIAA Journal, Vol. 38, No.7, pp. 1253-1259 
    10. Penny, J. E. T., Friswell, M. I. and Garvey, S. D., 1994, 'Automatic Choice of Measurement Locations for Dynamic Testing,' AIAA Journal, Vol. 32, No.2, pp.407-414 
    11. Papadopoulos, M. and Garcia, E., 1998, 'Sensor Placement Methodologies for Dynamic Testing,' AIAA Journal, Vol. 36, No.2, pp. 256-263 
    12. Choi, Y. J., 2001, System Reduction and Selection of Degrees of Freedom in Structural Dynamic Inverse Porblems, Ph. D. Thesis, Inha University 
    13. Shah, V. N. and Raymund, M., 1982, 'Analytical Selection of Masters for the Reduced Eigenvalue problem,' International J. for Numerical Methods in Engineering, Vol. 18, No. 1, pp. 89-98 
    14. Zimmerman D. C., Smith, S. W., Kim, H. M. and Bartkowicz, T., 1996, 'An Experimental Study of Structural Damage Detection Using Incomplete Measurements,' Journal of Vibration and Acoustics, Vol. 118, No.4, pp. 543-550 
    15. James, G. H., Zimmerman, D. C. and Cao, T., 1998, 'Development of a Coupled Approach for Structural Damage Detection with Incomplete Measurements,' AIAA Journal, Vol. 36, No. 12, pp. 2209-2217 
    16. Kim, K. O., Anderson, W. J and Sandstrom, R. E., 1983, 'Nonlinear Inverse Perturbation Method in Dynamic Analysis,' AIAA Journal, Vol. 21, No.9, pp. 1310-1316 
    17. Zimmerman, D. C. and Kaouk, M., 1994, 'Structural Damage Detection Using .a Minimum Rank Update Theory,' J. of Vibration and Acoustics Transactions of the ASME, Vol. 116, pp. 222-230 
    18. Doebling, S. W., Farrar, C. R., Prime, M. B. and Shevitz, D. W., 1996, 'Damege Identification and Health Monitoring of Structural and Mechanical Systems from Changes in Their Vibration Characteristics: A Literature Review,' Los Alamos National Laboratory Report LA-13070-MS 
    19. Friswell, M. I. and Penny, J. E. T., 1997, 'Is Damage Location Using Vibration Measurements Practical,' EUROMECH International Workshop: DAMAS 97, Structural Damage Assessment Using Advanced Signal Processing Procedures, Sheffield, UK 
  • 이 논문을 인용한 문헌 (1)

    1. Son, In-Soo ; Lee, Doo-Ho 2011. "A Study on Optimal Sensor Placement Using Sensitivity Analysis" 한국소음진동공학회논문집 = Transactions of the Korean society for noise and vibration engineering, 21(3): 241~247     

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