The invention belongs to the technical field of rail traffic, and provides a group train safety tracking distance calculation method based on adhesion braking, and the main scheme is as follows: a group train dynamics system model, a group operation control sensor, a wheel rail adhesion controller, a braking system model and a group train adhesion braking cooperative control system model are respectively established; and setting a three-level judgment rule consisting of adhesion judgment, tracking judgment and braking judgment, inputting braking torque, distance difference, communication delay, wheelset creep rate and wheelset angular acceleration in real time when the train starts to brake, and calculating the safety braking distance of the group train through the three-level judgment rule. And after the braking process is finished, the group train safety tracking distance under the braking working condition is output. According to the method, the group train safety tracking distance during train braking can be accurately calculated by adopting a three-level judgment rule consisting of adhesion judgment, tracking judgment and braking judgment under complex working conditions and train conditions of different types.
本发明属于轨道交通技术领域,提出了一种基于黏着制动的群组列车安全追踪距离计算方法,主要方案为:分别建立群组列车动力学系统模型、群组运行控制传感器、轮轨黏着控制器、制动系统模型和群组列车黏着制动协同控制系统模型,并设置黏着判定、追踪判定和制动判定组成的三级判定规则,当列车开始制动时,实时输入制动转矩、距离差、通信延时、轮对蠕滑率和轮对角加速度,并通过三级判定规则计算群组列车安全制动距离,制动过程结束后输出制动工况下的群组列车安全追踪距离。本发明能够在复杂的工况条件以及不同车型的列车条件下,采用黏着判定、追踪判定和制动判定组成的三级判定规则,能够准确计算出列车制动时的群组列车安全追踪距离。
Group train safety tracking distance calculation method based on adhesion braking
一种基于黏着制动的群组列车安全追踪距离计算方法
2025-03-14
Patent
Electronic Resource
Chinese
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