Train movement simulation by element increment method

Train movement simulation by element increment method
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单元增量法模拟列车运动

DOI:
10.1002/atr.1445
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发表时间:
2016-12
影响因子:
2.3
通讯作者:
Han Ding
Han Ding
中科院分区:
工程技术4区
文献类型:
--
作者:
Xu Gaowei;Li Feng;Long Jiancheng;Han Ding

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本文在现有列车牵引计算时间增量法的基础上,提出了一种单元增量法。一条铁路线被划分成不同长度的元素。将各单元独立仿真曲线的结点分开,形成列车运动仿真曲线(v - t曲线和v - scurve曲线)。在此过程中,借助于多项式拟合技术,采用时间增量法计算列车速度方差。此外,采用逐级迭代的方法将各元素组合在一起,使整个仿真曲线连续。同时,还考虑了节能问题,优化了仿真曲线。本文通过提供一个基于移动块控制的铁路路线示例,详细介绍了建模。单元增量法是一种较为有效的高速铁路列车牵引力计算方法,是辅助铁路宏观交通规划的列车运动仿真的一种替代方法。版权所有©2017 John Wiley & Sons, Ltd
The article presents an element increment method that is developed by current time increment method of train traction calculation. A railway route was divided, breaking it down into elements of different lengths. A whole train movement simulation curve (v–tcurve andv–Scurve) was formed by splitting the joints of each of the elements' individual simulation curves. During this process, the train velocity variance was calculated by time increment method with assistance of polynomial fitting technology. Additionally, a step‐by‐step method with iteration was used to combine each element and makes the whole simulation curve continuous. Meanwhile, the energy‐saving issue was also taken into account to optimize the simulation curve. This article gives more details about the modeling by providing an example of a railway route based on moving block control. The element increment method is a more effective way to calculate train traction of high‐speed railway, and it is an alternative method to train movement simulation for aiding macroscopic railway transportation planning. Copyright © 2017 John Wiley & Sons, Ltd.
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发表时间: 2012-01
影响因子: 1.7
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