Harmonics elimination algorithm for operational modal analysis using random decrement technique

Mechanical Systems and Signal Processing

Volumn 24, Issue 4, 2010, Pages 922-944

  Modak, S V ^a   Rawal, Chetan ^a   Kundra, T K ^a  

^a INDIAN INSTITUTE OF TECHNOLOGY DELHI   (India)

Author keywords

Eigen system realization algorithm; Harmonic elimination; Operational modal analysis; Random decrement technique

Indexed keywords

EIGEN-SYSTEM REALIZATION ALGORITHM; HARMONIC ELIMINATION; OPERATIONAL MODAL ANALYSIS; RANDOM DECREMENT TECHNIQUE; SYSTEM REALIZATION;

ALGORITHMS; HARMONIC ANALYSIS; MACHINERY;

MODAL ANALYSIS;

EID: 77949489994     PISSN: 08883270     EISSN: 10961216     Source Type: Journal    
DOI: 10.1016/j.ymssp.2010.01.001     Document Type: Article

References (18)

1. L. Zhang, R. Brincker, P. Anderson, An overview of operational modal analysis: major development and issues, in: Proceedings of the First International Operational Modal Analysis Conference, Copenhagen, Denmark, 2005.
2. N.J. Jacobsen, P. Andersen, R. Brincker, Eliminating the influence of harmonic components in operational modal analysis, in: Proceedings of the 25th International Modal Analysis Conference (IMAC), Orlando, FL, 2007.
3. R. Brincker, P. Andersen, N. Moller, An indicator for separation of structural and harmonic modes in output-only modal testing, in: P.A.L. Wicks, R. Singhal (Eds.), International Modal Analysis Conference (IMAC XVIII), San Antonio, TX, February 7-10, 2000, Society for Engineering Mechanics, Bethel, CT, 2000, pp. 1649-1654.
4. Mohanty P., and Rixen D.J. Operational modal analysis in the presence of harmonic excitation. Journal of Sound and Vibration 270 (2004) 93-109
5. H.A. Cole Jr., On-line failure detection and damping measurement of aerospace structures by random decrement signatures, NASA CR-2205, 1973.
6. Ibrahim S.R. Random decrement technique for modal identification of structures. Journal of Spacecraft and Rockets 14 (1977) 696-700
7. Vandiver J.K., Dunwoody A.B., Campbell R.B., and Cook M.F. A mathematical basis for the random decrement vibration signature analysis technique. Journal of Mechanical Design 104 (1982) 307-313
8. Brincker R., Krenk S., Kirkegaard P.H., and Rytter A. Identification of dynamical properties from correlation function estimates. Bygningsstatiske Meddelelser 63 (1992) 1-38
9. J.C. Asmussen, R. Brincker, A new approach for predicting the variance of random decrement functions, in: Proceedings of the 16th International Modal Analysis Conference, 1998, pp. 542-549.
10. Ibrahim S.R., Asmussen J.S., and Brincker R. Vector triggering random decrement technique for higher identification accuracy. ASME Journal of Vibration and Acoustics (1998) 970-975
11. Asmussen J.C., Brincker R., and Ibrahim S.R. Statistical theory of the vector random decrement technique. Journal of Sound and Vibration 226 2 (1999) 329-344
12. Juang J.N., and Pappa R.S. An eigensystem realization algorithm for modal parameter identification and model reduction. Journal of Guidance, Control, and Dynamics 8 5 (1985) 620-627
13. Rice S.O. Mathematical Analysis of Random Noise. Bell System Technology Journal 24 (1945) 146-156
14. Rice S.O. Statistical properties of a sine-wave plus random noise. Bell System Technology Journal 27 (1948) 109-157
15. Leipnik R. First and second order distributions of a sine wave of random phase plus Gaussian noise. Zeitschrift für Angewandte Mathematik und Physik (ZAMP) 11 (1960) 117-126
16. Bendat J.S., and Piersol A.G. Random Data: Analysis and Measurement Procedures. second ed. (1985), John Wiley and Sons
17. MATLAB. The MathWorks, Inc.
18. ARTeMIS Extractor Pro, Release 4.0, Structural Vibration Solutions A/S, Denmark.