The method to measure the derailment coefficient with the non-contact type displacement sensor in place of the force measurement wheel-set is described.

介绍了采用非接触式位移传感器代替测力轮对，测试脱轨系数的方法。

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The influence of train running speed, wheel-rail friction coefficient, vehicle load, track geometric irregularity, partly load, gauge and the shape of wheel tread on derailment was emphasized.

论文重点分析了车辆运行速度、轮轨摩擦系数、车辆载重、轨道几何不平顺、偏载、轨距大小、车轮踏面形状等因素对脱轨的影响。

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