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首页> 外文期刊>Smart Materials & Structures >A comparative work on vibration control of a quarter car suspension system with two different magneto-rheological dampers
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A comparative work on vibration control of a quarter car suspension system with two different magneto-rheological dampers

机译：两种不同磁流变阻尼器四分之一汽车悬架系统振动控制的比较工作

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摘要

This work compares the ride comfort of a passenger vehicle whose suspension system is equipped with two different magneto-rheological (MR) dampers: with and without bypass holes in the piston. In order to achieve this goal, two cylindrical type MR dampers, which otherwise have the same such geometrical dimensions as radius of piston, length of pole and distance between two poles, are designed based on a mathematical model and subsequently manufactured. One of MR dampers is then modified by making bypass holes in the piston bobbin structure to obtain a relatively low slope of damping force in the pre-yield region. The field-dependent damping force characteristics are investigated through both simulation and experiment. After characterizing the field-dependent damping force of the two MR dampers, a quarter car model is established to evaluate the ride comfort. In this work, a simple but very effective sky-hook controller is adopted, and vibration control performance is evaluated under two road profiles: bump and random road excitations. It is demonstrated through simulation and experiment that the MR damper with bypass holes provides better ride comfort to the car so equipped than that without.
机译：这项工作比较了乘用车的乘坐舒适性，其悬架系统配备了两个不同的磁流变（MR）阻尼器：在活塞中没有旁路孔。为了实现这一目标，两个圆柱形型MR阻尼器，其与活塞半径具有相同的这样的几何尺寸，基于数学模型和随后制造的两极之间的杆和两个极之间的距离。然后通过在活塞线轴结构中制造旁通孔来改变MR阻尼器之一，以在预产率区域中获得相对低的阻尼力斜率。通过模拟和实验研究现场依赖性阻尼力特性。在表征两个MR阻尼器的现场依赖性阻尼力之后，建立了四分之一的汽车模型来评估乘坐舒适度。在这项工作中，采用了一个简单但非常有效的天钩控制器，在两条道路轮廓下评估振动控制性能：凹凸和随机的道路激励。通过仿真和实验证明了与旁路孔的MR DAMPERS可以更好地乘坐舒适，而不是没有的汽车。

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