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Structural Engineering and Mechanics Volume 17, Number 6, June 2004 , pages 819-828 DOI: https://doi.org/10.12989/sem.2004.17.6.819 |
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Structural analysis based on multiresolution blind system identification algorithm |
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Gee-Pinn James Too, Chih-Chung Kenny Wang and Rumin Chao
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| Abstract | ||
| A new process for estimating the natural frequency and the corresponding damping ratio in large structures is discussed. In a practical situation, it is very difficult to analyze large structures precisely because they are too complex to model using the finite element method and too heavy to excite using the exciting force method; in particular, the measured signals are seriously influenced by ambient noise. In order to identify the structural impulse response associated with the information of natural frequency and the corresponding damping ratio in large structures, the analysis process, a so-called | ||
| Key Words | ||
| structural analysis; the multiresolution blind deconvolution algorithm; Howell-Bunger gate. | ||
| Address | ||
| Gee-Pinn James Too, Chih-Chung Kenny Wang, and Rumin Chao; Department of System and Naval Mechatronic Engineering, National Cheng Kung University, Tainan, Taiwan, R.O.C | ||