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提高旅客列车运行速度是摆在铁路运输面前的重要任务之一。有许多科学研究机构和工厂参加而由里加车辆制造工厂(PB3)生产的、在速度200～220公里/小时时保证安全运行的2 P 200高速电动列车是解决这项任务之一种办法。交通部中央科学研究院进行了电动车辆在随机的垂直和水平不平的直线和曲线区段运行的理论研究。在这些研究中车辆被看作是复杂的机械系统,其运行用34个二阶微分方程式描述。高速车辆的走行部分应保证客室许可的舒适度级、转向架和线路的最小相互作用
To increase the speed of passenger trains is one of the important tasks before railway transport. The 2 P 200 high-speed electric train, which is manufactured at the Riga Vehicle Manufacturing Plant (PB3) with many scientific and research institutes and factories to ensure safe operation at speeds of 200-220 km / h, is one solution to this task. The Central Academy of Sciences of the Ministry of Communications conducted a theoretical study on the operation of electric vehicles in random vertical and horizontal uneven straight and curved sections. Vehicles are considered as complex mechanical systems in these studies, and their operation is described by 34 second-order differential equations. The running section of a high-speed vehicle shall ensure the comfort level permitted in the passenger compartment, the minimum interaction between the bogie and the line