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Proceedings Paper

Hysteresis modeling and experimental validation of a magnetorheological damper
Author(s): Xian-Xu Bai; Peng Chen; Li-Jun Qian; An-Ding Zhu
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Paper Abstract

In this paper, for modeling the MR dampers, based on the phenomenological model, a normalized phenomenological model is derived through incorporating a “normalization” concept and a restructured model is proposed and realized also with incorporation of the “normalization” concept. In order to demonstrate, a multi-islands genetic algorithm (GA) is employed to identify the parameters of the restructured model, the normalized phenomenological model as well as the phenomenological model. The research results indicate that, as compared with the phenomenological model and the normalized phenomenological model, (1) the restructured model not only can effectively decrease the number of the model parameters and reduce the complexity of the model, but also can describe the nonlinear hysteretic behavior of MR dampers more accurately, and (2) the normalized phenomenological model can improve the model efficiency as compared with the phenomenological model, although not as good as the restructured model.

Paper Details

Date Published: 2 April 2015
PDF: 12 pages
Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 943132 (2 April 2015); doi: 10.1117/12.2084119
Show Author Affiliations
Xian-Xu Bai, Hefei Univ. of Technology (China)
Peng Chen, Hefei Univ. of Technology (China)
Li-Jun Qian, Hefei Univ. of Technology (China)
An-Ding Zhu, Hefei Univ. of Technology (China)

Published in SPIE Proceedings Vol. 9431:
Active and Passive Smart Structures and Integrated Systems 2015
Wei-Hsin Liao, Editor(s)

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