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Parameter identification of Bouc-Wen model for MR fluid dampers using adaptive charged system search optimization

S. Talatahari, A. Kaveh* and N. Mohajer Rahbari
The Journal of Mechanical Science and Technology, vol. 26, no. 8, pp.2523-2534, 2012

Abstract : "In this article, the charged system search (CSS) optimization method is improved to identify the parameters of a non-linear hysteretic Bouc-Wen differential model. The CSS is suitable for those optimization problems involving non-smooth or non-convex domains. Bouc- Wen is a well-established non-linear model which has been used to portray the hysteretic and high non-linear real behavior of numerous physical and mechanical systems. To improve the effectiveness and adaptability of the CSS algorithm, it is combined with suboptimization mechanism. The obtained results show that the adaptive CSS embodies great robustness and accuracy to be successfully employed in such highly non-linear identification problems."

Keyword : Bouc-Wen model; Charged system search; Hysteresis; MR damper; Optimization; Parameter identification; Sub-optimization mechanism

 
 
 
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