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Controllable Vibration of the Car-Body Using Magnetorheological Fluid Damper

机译：使用磁流变流体阻尼器控制车身的振动

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摘要

The magnetorheological (MR) fluid can be changed from free-flowing and linear viscous liquid into semi-solid only in milliseconds by the applying magnetic field. The damper is one of the important components in a car suspension. Therefore, the MR fluid damper has been a very attractive subject for the controllable suspension of a car. In this paper, based on experimental data, a parametric model of MR damper consisted of hysteretic property and variable viscosity which was proportional to the applied voltage was proposed. MR damper as passive and semi-active types was taken as an electronic control unit in 4 degree-of-freedom half car model. The vertical and pitching responses of body and the suspension travel responses were analyzed, which indicated the advantages of MR damper.
机译：通过施加磁场，磁流变（MR）流体只能在几毫秒内从自由流动的线性粘性液体变为半固态。减震器是汽车悬架的重要组件之一。因此，对于汽车的可控制悬架，MR流体阻尼器一直是非常有吸引力的主题。本文基于实验数据，提出了一种磁滞阻尼器的参数模型，该模型由磁滞特性和与输入电压成正比的可变粘度组成。在4自由度半车模型中，将MR阻尼器作为无源和半有源类型作为电子控制单元。分析了车身的垂直和俯仰响应以及悬架行程响应，这表明了MR阻尼器的优势。

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