The method to measure the derailmentcoefficient 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。
2
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.