Experimental and Calculation Model Analysis on Hysteresis Properties of Magnetorheological Damper

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Experimental and Calculation Model Analysis on Hysteresis Properties of Magnetorheological Damper

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[1]ZHAO Jun,GAO Ning,LI Xiaopeng,et al.Experimental and Calculation Model Analysis on Hysteresis Properties of Magnetorheological Damper[J].Journal of Zhengzhou University (Engineering Science),2023,44(06):91-98.[doi:10.13705/j.issn.1671-6833.2023.03.021]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 44卷 Number of periods: 2023 06 Page number: 91-98 Column: Public date: 2023-12-25

Title:: Experimental and Calculation Model Analysis on Hysteresis Properties of Magnetorheological Damper

Author(s):: ZHAO Jun; GAO Ning; LI Xiaopeng; LEI Bobo; ZHAO Yi; School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China

Keywords:: magnetorheological damper; cyclic loading; damping force; damping force-displacement curve; curve model

CLC:: O482. 54

DOI:: 10.13705/j.issn.1671-6833.2023.03.021

Abstract:: To study the mechanical properties of magnetorheological damper (MRD), 11 groups of MRD mechanical properties tests with axially cyclic loading were completed. The effects of current size, peak displacement, loading rate and current control mode were considered. The variation law of damping force-displacement curve and characteristics of each stage of MRD were analyzed. The results showed that the damping force at the peak point of MRD increased linearly with the current. When the peak displacement was less than the initial displacement, the MRD peak damping force was small, and when the peak displacement was greater than the initial displacement, the MRD peak damping force was relatively stable; the damping force at the peak point of MRD increased with the increase of loading rate; when the current was closed, the damping force of MRD would be rapidly reduced to 0 A. If the power was continued, the damping force of MRD could still reach a stable state after a short loading displacement. Finally, the calculation model of MRD damping force-displacement curve considering the influence factors such as current size, peak displacement, loading rate and current control mode was established. It was verified that the calculation curve was in good agreement with the experimental curve.

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Last Update: 2023-10-22