Simplification of a complex model is an analytical method commonly adopted in engineering design and academic research. A simplified theoretical analysis model can help project planners or researchers to develop an integrative view of the effect of each component on the system performances, which allows them to understand the related engineering phenomena and make proper engineering judgments. Based on the widely used Maxwell constitutive model for anti-yaw dampers, a simple 4 degree-of-freedom model is established to derive a set of analytical formulas, including those for critical speed, anti-yaw damper force transfer function, and rational resistance factor, which control the stability, ride quality, and curving performance of rail vehicles, respectively. Based on the proposed analytical formulas, the impact of damper parameters and mounting positions of the anti-yaw damper on the stability, ride quality and curving performance are analyzed. Finally, trade-offs among stability, ride quality, and curving performance are also discussed.

中文翻译：

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轨道车辆抗偏摆阻尼器作用的理论研究

复杂模型的简化是工程设计和学术研究中常用的一种分析方法。简化的理论分析模型可以帮助项目规划者或研究人员对每个组件对系统性能的影响形成一个综合视图，从而使他们能够了解相关的工程现象并做出正确的工程判断。基于广泛使用的抗偏航阻尼器麦克斯韦本构模型，建立了一个简单的4自由度模型，推导出了一组解析公式，包括临界速度、抗偏航阻尼力传递函数和有理阻力的解析公式。分别控制轨道车辆的稳定性、行驶质量和弯曲性能的因素。基于提出的分析公式，分析了减振器参数和抗偏摆减振器安装位置对稳定性、行驶质量和转弯性能的影响。最后，还讨论了稳定性、行驶质量和弯曲性能之间的权衡。