Modified Polynomial Model of Magnetorheological Damper and Model Verification
In order to better use the magnetorheological damper in the semi-active vibration control of magnetorheological damper coupling system,an accurate dynamic model of magnetorheological damper is required to be established.Existing polynomial model of magnetorheological damper can fit the damping force-velocity curve accurately,but high-order polynomial fitting will lead to Runge’s phenomenon and violently oscillation at both ends of the fitting curve.To eliminate the Runge’s phenomenon,a piecewise cubic polynomial model is proposed in this paper and its parameters are identified by least square method.Compared with the experimental data,the piecewise cubic polynomial model can fit the damping force-velocity more accurately and eliminate the Runge’s phenomenon.
Magnetorheological Damper Hysteretic Characteristics Polynomial Model Least Square Method Parameter Identification
Tieming Zhou Enwei Chen Yimin Lu Zhengshi Liu Wuwei Chen
School of Mechanical and Automotive Engineering Hefei University of Technology Hefei,230009
国际会议
南京
英文
1-5
2013-08-20（万方平台首次上网日期，不代表论文的发表时间）