期刊
JOURNAL OF SOUND AND VIBRATION
卷 314, 期 3-5, 页码 571-585出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2008.01.018
关键词
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A new identification method that determines the parameters of Bouc-Wen hysteretic systems is presented. It is based on a hybrid evolutionary algorithm which utilizes selected stochastic operators, heuristics and problem-specific information. The proposed method exhibits efficiency, robustness and insensitivity to noise-corrupted data, while it identifies accurately both hysteretic and viscous damping based on suitable experiments. Its performance is investigated with respect to the information content of the input-output data. The scheme is verified by a hysteretic system representing a full-scale steel cantilever beam which is identified successfully. A series of parametric studies are also conducted that illustrate the inner workings of the proposed method, suggesting appropriate values for the controlling parameters. (C) 2008 Elsevier Ltd. All rights reserved.
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