Study of the Dynamic Model and Vibration Performance of Pot-Shaped Metal Rubber |
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Authors: | Xiaoyuan Zheng Wei Wang Yiwan Wu Hongbai Bai |
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Affiliation: | 1.College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, China;2.Metal Rubber Engineering Research Center, Fuzhou University, Fuzhou 350116, China |
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Abstract: | Metal rubber has been extensively used in recent years due to its several unique properties, especially in adverse environments. Although many experimental studies have been conducted, theoretical research on metal rubber is still in its infancy. In this work, a dynamic model for the nonlinear characteristics of pot-shaped metal rubber is established on the basis of the asymmetric dynamic model of the wire rope shock absorber and the trace method model. In addition, the corresponding parameters in the model are identified based on the parameter-separation method. The theoretical hysteresis loop obtained using the model and the measured hysteresis loop agree with each other. The results show that the asymmetric dynamic model can better describe the asymmetric dynamic characteristics of pot-shaped metal rubber. Furthermore, a pot-shaped metal rubber vibration reduction system is built to further verify the correctness of the model. This study provides an experimental reference and a theoretical basis for the practical application of pot-shaped metal rubber in the field of three-dimensional vibration reduction. |
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Keywords: | metal rubber dynamic model nonlinear characteristics parameter identification |
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