Biased modal estimates from random decrement signatures of forced acceleration responses

Journal of Structural Engineering

Volumn 133, Issue 8, 2007, Pages 1180-1185

  Ku, Chiu Jen ^a,b   Cermak, Jack Edward ^c   Chou, Li Shu ^d  

^a TOKYO POLYTECHNIC UNIVERSITY   (Japan)

^b Veterinary Dentistry and Oral Surgery   (United States)

^c Department of Mechanical Engineering   (United States)

^d Yuh Ing Junior College of Health Care and Management   (Taiwan)

Author keywords

Acceleration; Dynamic response; Identification; Modal analysis; White noise

Indexed keywords

FORCED ACCELERATION; INPUT FORCE; LINEAR DYNAMIC SYSTEM; RANDOM DECREMENT TECHNIQUE;

ACCELERATION; ALGORITHMS; DEGREES OF FREEDOM (MECHANICS); DYNAMIC RESPONSE; MODAL ANALYSIS; TIME DOMAIN ANALYSIS; WHITE NOISE;

IDENTIFICATION (CONTROL SYSTEMS);

EID: 34547226050     PISSN: 07339445     EISSN: None     Source Type: Journal    
DOI: 10.1061/(ASCE)0733-9445(2007)133:8(1180)     Document Type: Article

References (22)

1. Asmussen, J. C., Brincker, R., and Ibrahim, S. R. (1999). " Statistical theory of the vector random decrement technique.. " J. Sound Vib., 226 (2), 329-344.
2. Bedewi, N. E. (1986). " The mathematical foundation of the auto and cross-random decrement techniques and the development of a system identification technique for the detection of structural deterioration.. " Ph.D. dissertation, Dept. of Mechanical Engineering, Univ. of Maryland, College Park, Md.
3. Brincker, R., Krenk, S., Kirkegaard, P. H., and Rytter, A. (1992). " Identification of dynamical properties from correlation function estimates.. " Bygningsstatiske Meddelelser, 63 (1), 1-38.
4. Caldwell, D. W. (1978). " The measurement of damping and the detection of damage in linear and nonlinear systems by the random decrement technique.. " Ph.D. dissertation, Univ. of Maryland, College Park, Md.
5. Chang, C. S. (1975). " Study of dynamic characteristics of aeroelastic systems utilizing randomdec signatures.. " Rep. No. NASA-CR-132563, National Aeronautics and Space Administration, Washington, D.C.
6. Cole, H. A. (1968). " On-the-line analysis of random vibration.. " AIAA/ASME 9th Structures, Structural Dynamics and Materials Conf., Palm Springs, Calif., AIAA Paper No. 68-288.
7. Crandall, S. H., and Mark, W. D. (1963). Random vibration in mechanical systems, Academic, New York, 58-64.
8. Houbolt, J. C. (1975). " On identifying frequencies and damping in subcritical flutter testing.. " Proc. Flutter Testing Techniques, NASA, Edwards, Calif., NASA SP-415, 1-41.
9. Huang, C. S., and Yeh, C. H. (1999). " Some properties of randomdec signatures.. " Mech. Syst. Signal Process., 13 (3), 491-507.
10. Huang, C. S., Yeh, C. H., and Tsai, I. C. (1998). " Random decrement technique for ambient vibration test in time-domain system identification.. " J. Chinese Inst. of Civil and Hydraulic Eng., 10 (3), 537-547.
11. Ibrahim, S. R. (1977). " Random decrement technique for modal identification of structures.. " J. Spacecr. Rockets, 14 (11), 696-700.
12. Ibrahim, S. R., Asmussen, J. G., and Brincker, R. (1998). " Vector triggering random decrement for high identification accuracy.. " J. Vibr. Acoust., 120 (4), 970-975.
13. Ibrahim, S. R., and Mikulcik, E. C. (1977). " A method for the direct identification of vibration parameters from the free response.. " The Shock and Vibration Bulletin, 47, Part 4 Structural Dynamics, System Identification, Computer Applications, 183-198.
14. Jeary, A. P. (1986). " Damping in tall building-a mechanism and a predictor.. " Earthquake Eng. Struct. Dyn., 14 (5), 733-750.
15. Kareem, A., and Gurley, K. (1996). " Damping in structures: its evaluation and treatment of uncertainty.. " J. Wind. Eng. Ind. Aerodyn., 59 (2-3), 131-157.
16. Pappa, R. S., and Ibrahim, S. R. (1981). " A parametric study of the Ibrahim time domain modal identification algorithm.. " The Shock and Vibration Bulletin, 51 (3), 43-72.
17. Spanos, P. D., and Zeldin, B. A. (1998). " Generalized random decrement method for analysis of vibration data.. " Trans. ASME, J. Vib. Acoust., 120 (3), 806-813.
18. Tamura, Y., Shimada, K., and Hibi, K. (1993). " Wind response of a tower (typhoon observation at the Nagasaki Huis Ten Bosch Domtoren).. " J. Wind. Eng. Ind. Aerodyn., 50 (1-3), 309-318.
19. Tamura, Y., Shimada, K., Sasaki, A., Kohsaka, R., and Fujii, K. (1995). " Variation of structural damping ratios and natural frequencies of tall buildings during strong winds.. " 9th Int. Conf. of Wind Engineering, Vol. 3, New Delhi, India, 1396-1407.
20. Vandiver, J. K., Dunwoody, A. B., Campbell, R. B., and Cook, M. F. (1982). " A mathematical basis for the random decrement vibration signature analysis technique.. " ASME J. Mech. Des., 104 (4), 307-313.
21. Yang, J. C. S., and Caldwell, D. W. (1976). " The measurement of damping and the detection of damages in structures by the random decrement technique.. " The Shock and Vibration Bulletin, Vol. 46, San Diego, 129-136.
22. Yang, J. C. S., and Caldwell, D. W. (1978). " A method for detecting structural deterioration in piping systems.. " Probabilistic analysis and design of nuclear power plant structures manual, C. Sundararajan, Editor Publication PVP-PB-030, ASME, New York, 97-117.