A state space formulation for moving loads identification

Journal of Vibration and Acoustics

Volumn 128, Issue 4, 2006, Pages 509-520

  Zhu, X Q ^a   Law, S S ^b   Bu, J Q ^c  

^a ZHEJIANG UNIVERSITY OF TECHNOLOGY   (China)

^b HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

^c SHIJIAZHUANG TIEDAO UNIVERSITY   (China)

Author keywords

Bridge deck; Dynamics; Force identification; Ill conditioned; Inverse problem; Moving load; Orthotropic plate; Regularization; State space

Indexed keywords

COMPUTER SIMULATION; HAMILTONIANS; INVERSE PROBLEMS; MATHEMATICAL MODELS; STATE SPACE METHODS; VIBRATIONS (MECHANICAL);

MODAL SUPERPOSITION PRINCIPLE; MOVING LOAD IDENTIFICATION;

DYNAMIC LOADS;

EID: 33748310746     PISSN: 10489002     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.2202149     Document Type: Article

References (16)

1. Moses, F., 1984, "Weigh-in-Motion System Using Instrumented Bridge," J. Transp. Eng., 105, pp. 233-249.
2. Law, S. S., Chan, T. H. T., and Zeng, Q. H., 1997, "Moving Force Identification: Time Domain Method," J. Sound Vib., 201(1), pp. 1-22.
3. Law, S. S., Chan, T. H. T., and Zeng, Q. H., 1999, "Moving Force Identification: A Frequency and Time Domains Approach," ASME J. Dyn. Syst., Meas., Control, 121(3), pp. 394-401.
4. Zhu, X. Q., and Law, S. S., 1999, "Moving Force Identification on a Multi-Span Continuous Bridge," J. Sound Vib., 228(2), pp. 377-396.
5. Yuan, X. R., Chen, E. L., and Yang, S. P., 1998, "Moving Loads Identification Through Responses of Orthotropic Plate," J. Vib. Meas. Diagnosis, 18(3), pp. 201-205.
6. Jiang, R. J., Au, F. T. K., and Cheung, Y. K., 2004, "Identification of Vehicles Moving on Continuous Bridges With Rough Surface," J. Sound Vib., 274(35), pp. 1045-1063.
7. Zhu, X. Q., and Law, S. S., 2003, "Time Domain Identification of Moving Loads on Bridge Deck," ASME J. Vibr. Acoust., 125(2), pp. 187-198.
8. Zhu, X. Q., and Law, S. S., 2001, "Identification of Moving Loads on an Orthotropic Plate," ASME J. Vibr. Acoust., 123(2), pp. 238-244.
9. Juang, J.-N., 1994, Applied System Identification, Prentice Hall, Englewood Cliffs, NJ.
10. Pesterev, A. V., Bergman, L. A., Tan, C. A., and Yang, B., 2004, "Assessing Tire Forces due to Roadway Unevenness by the Pothole Dynamic Amplification Factor Method," J. Sound Vib., in press.
11. Zhu, X. Q., and Law, S. S,, 2002, "Moving Loads Identification Through Regularization," J. Eng. Mech., 128(9), pp. 989-1000.
12. Busby, H. R., and Trujillo, D. M., 1997, "Optimal Regularization of an Inverse Dynamics Problem," Comput. Struct., 63(2), pp. 243-248.
13. Trujillo, D. M., and Busby, H. R., 1997, Practical Inverse Analysis in Engineering, CRC Press, Boca Roton.
14. Carlos Santamarina, J., and Fratta, D., 1998, Introduction to Discrete Signals and Inverse Problems in Civil Engineering, ASCE, Reston, VA.
15. Tikhonov, A. N., and Arsenin, V. Y., 1977, III-Posed Problems, Wiley, New York.
16. Law, S. S., Bu, J. Q., Zhu, X.Q., and Chan, S. L., "Moving Loads Identification From Velocity and Strain Measurements," J. Sound Vib., under review.