高速列车运行速度作用于线路运能的规律

潘登; 梅萌; 郑应平

doi:10.19818/j.cnki.1671-1637.2015.06.009

高速列车运行速度作用于线路运能的规律

doi: 10.19818/j.cnki.1671-1637.2015.06.009

同济大学电子与信息工程学院, 上海 201804

基金项目:

国家自然科学基金项目 61174183

详细信息

作者简介:
潘登(1969-), 男, 安徽怀远人, 同济大学副教授, 工学博士, 从事智能轨道交通研究

中图分类号: U292.55
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出版历程
- 收稿日期: 2015-07-10
- 刊出日期: 2015-06-25

Laws of high-speed train operation speed acting on line capacity

School of Electronic and Information Engineering, Tongji University, Shanghai 201804, China

More Information

Author Bio:
PAN Deng(1969-), male, associate professor, PhD, +86－21－69589241, pandengreal@sina.com

摘要

摘要: 应用准移动闭塞系统和移动闭塞系统数学模型计算了总车距、列车间隔时间和线路运能, 选取制动加速度分别为-0.63、-0.75、-0.85、-0.90m·s^-2进行了仿真试验, 分析了高速列车运行速度作用于线路运能的规律。分析结果表明: 安全车距与列车减速停车时的初始速度呈正比关系, 列车间隔时间和线路运能与安全车距、列车运行速度和初始参数取值密切相关; 列车间隔时间存在极小值, 线路运能存在极大值; 制动加速度越小, 列车间隔时间越小, 线路运能越大; 列车间隔时间可以控制在3min以内, 线路每天运能可以达到1 000列以上; 准移动闭塞系统的列车间隔时间大于移动闭塞系统, 线路运能低于移动闭塞系统; 考虑工程应用的可行性使得准移动闭塞系统与移动闭塞系统的线路运能差距进一步扩大。
- 高速铁路 /
- 列车运行速度 /
- 安全车距 /
- 列车间隔时间 /
- 线路运能 /
- 列车运行控制
Abstract: The mathematical models of quasi-moving block system and moving block system were used to calculate total vehicle distance, train interval time and line capacity. When brake accelerations were -0.63, -0.75, -0.85 and-0.90 m·s^-2 respectively, the simulation experiments were carried out to analyze the laws of high-speed train operation speed acting on line capacity.Analysis result shows that safe headway is proportional to initial speed when train decreases speed to stop.Train interval time and line capacity are closely related to safe headway, train operation speed and initial parameter values.The minimum of train interval time and the maximum of line capacity exist accordingly.The smaller braking acceleration is, the smaller train interval is, and the greater line capacity is.Train interval time can be controlled in 3 min, and line capacity can reach over 1 000 trains a day.Train interval time of quasi-moving block system is longer than that of moving block system, and its line capacity is less than that of moving block system.Considering the feasibility of engineering application makes the line capacity gap between quasi-moving block system and moving block system to further expand.
- high-speed railway /
- train operation speed /
- safe headway /
- train interval time /
- line capacity /
- train operation control

HTML全文

图 1 准移动闭塞系统

Figure 1. Quasi-moving block system

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图 2 移动闭塞系统

Figure 2. Moving block system

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图 3 准移动闭塞系统的列车间隔时间

Figure 3. Train interval times in quasi-moving block system

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图 4 移动闭塞系统的列车间隔时间

Figure 4. Train interval times in moving block system

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图 5 准移动闭塞系统的线路运能

Figure 5. Line capacities in quasi-moving block system

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图 6 移动闭塞系统的线路运能

Figure 6. Line capacities in moving block system

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图 7 列车间隔时间的减小率

Figure 7. Decreasing rates of train interval times

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图 8 提高线路运能的增长率

Figure 8. Increasing rates of enhancing line capacities

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表 1 列车间隔时间

Table 1. Train interval times

表 2 线路每天运能

Table 2. Everyday line capacities

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