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首页 > 过刊浏览>2021年第44卷第2期 >1-12. DOI:10.11835/j.issn.1000-582X.2020.207
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应用于汽车发动机start/stop模式的磁流变悬置设计与分析
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U463.1

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重庆市教委科学技术研究项目（KJ1600538）。


Design and analysis of a magnetorheological mount applied to the engine start/stop mode
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    摘要:

    针对汽车在start/stop模式下发动机传递至车身的振动和扭矩过大问题，设计了一种具有惯性通道的流动模式磁流变悬置。在考虑了激励电流对磁流变液黏度的影响规律和悬置液阻效应的基础上，建立悬置的阻尼力数学模型。采用有限元软件分析了在励磁线圈作用下磁流变悬置磁路阻尼通道处的磁感应强度分布规律，分析了激励电流和磁路的结构参数对悬置恢复力和可控力的影响规律。并对磁流变悬置进行了性能测试和start/stop模式下的实车试验。结果表明，所设计的磁流变悬置具有良好的可控性，并且能有效地隔离汽车发动机在start/stop模式下的振动传递。

    Abstract:

    To solve the problem of excessive vibration and torque transmitted from the engine to the body of an automobile in the start/stop mode, a flow-mode magnetorheological (MR) mount with an inertial channel was designed. With the influence of the exciting current on the viscosity of magnetorheological fluid (MRF) and the effect of liquid resistance taken into consideration, a mathematical model of the damping force of the MR mount was established. The distribution of magnetic induction intensity in the damping channel of the MR mount circuit under the action of excitation coil was analyzed by using the finite element software, and the effects of the excitation current and the structural parameters of the magnetic circuit on the restoring force and controllable force of the MR mount were analyzed as well. The performance test of the MR mount and the vehicle test in the start/stop mode were carried out. The results show that the designed MR mount has good controllability and can effectively isolate the vibration transmission of the automotive engine in the start/stop mode.

    参考文献
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邓召学,杨青桦,蔡强,刘天琴.应用于汽车发动机start/stop模式的磁流变悬置设计与分析[J].重庆大学学报,2021,44(2):1-12.

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  • 收稿日期:2019-04-03
  • 在线发布日期: 2021-03-06
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