A new method for parametric identification of MRE model and its application
WANG Peng1,2, YANG Shaopu1, LIU Yongqiang1, DONG Xufeng3, ZHAO Yiwei1,2
1.State Key Lab of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;
2.School of Transportation, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;
3.School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
To quantitatively characterize the mechanical properties of MRE under varying excitation conditions, a new parameter identification method was proposed. Using MRE test data, it was verified that Bouc-Wen model can describe MRE hysteresis characteristics. A parameter identification method under multi-loading conditions was proposed, with analyzing the coupling relationship between the parameters and strain amplitude, frequency, and magnetic field. Taking the error of simulation and experimental data as the objective function, the parameters were identified by using the GA-PSO hybrid algorithm, the identification results were verified using test data. The results show that the expression of model parameters obtained from the identification method is accurate in a wide range of strain amplitude, frequency, and magnetic field, can reflect the mechanical characteristics of MRE. The fitness values of the numerical results and test results under identified and non-identified conditions exceed 93%, showcasing the effectiveness of the parameter identification method.
王鹏1，2，杨绍普1，刘永强1，董旭峰3，赵义伟1，2. 一种磁流变弹性体模型参数识别新方法及其应用研究[J]. 振动与冲击, 2022, 41(11): 189-198.
WANG Peng1,2, YANG Shaopu1, LIU Yongqiang1, DONG Xufeng3, ZHAO Yiwei1,2. A new method for parametric identification of MRE model and its application. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(11): 189-198.
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