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Dynamic Response Analysis of MR Damper
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    Abstract:

    The dynamic response of MR damper determines the real-time control effect.In order to increase the response speed and reduce the response time of MR damper,the influencing factors of its dynamic response were analyzed.Therefore,for a certain type of MR damper,the composition of its response time was defined,and the time-delay model was established.The current and magnetic field response models of two-stage coils in series in forward direction and in reverse direction,in parallel on the same side and on the opposite side were established.The two-stage rheological response model of MR fluid was analyzed.The results show that the electromagnetic response time of reverse series and in parallel on the opposite side are small,and the rheological response is only related to the gap and dynamic viscosity.Based on the transient finite element magnetic field analysis,the dynamic response process of the damper is measured from the perspective of the average effective shear yield strength.The influence of different magnetic circuit structures on the response time of the damper is obtained,and the reasons are analyzed.

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马胜楠,吴敬宇,梁冠群,周福强,危银涛.磁流变阻尼器动态响应分析[J].机床与液压英文版,2023,51(9):144-150.

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  • Online: May 29,2023
  • Published: May 15,2023