中国铁路长期处于超负荷运行状态,其基本特征是“大运量,高密度,客货混运,提速重载”。从1997年至今,我国铁路已经实施了5次大面积提速。这种超负荷运输方式在有效提高运能的同时,也严重加剧了机车车辆与线路的动态相互作用。为解决中国铁路超负荷运输模式发展进程中日益突出的列车与线路动态作 The long-term overwhelming state of China’s railways is characterized by “large capacity, high density, mixed operation of passenger and freight transport and speeding overloading.” From 1997 to now, China’s railways have implemented five large-scale speed increases. This type of overload transportation can effectively enhance the transportation capacity and seriously aggravate the dynamic interaction between the rolling stock and the railway line. In order to solve the increasingly outstanding train and line dynamics in the development of China’s railway overloaded transportation mode