基于虚拟编组技术的列车运行状态转换方案研究  

Research on Train Running State Transition Scheme Based on Virtual Coupling Technology

作　　者：肖李蔚宁 柏赟[1] 付昌友 沈晓鹏 杨丽娟 XIAOLI Weining;BAI Yun;FU Changyou;SHEN Xiaopeng;YANG Lijuan(Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport,Beijing Jiaotong University,Beijing 100044,China;China Railway Engineering Design and Consulting Group Co.,Ltd.,Beijing 100055,China)

机构地区：[1]北京交通大学综合交通运输大数据应用技术交通运输行业重点实验室,北京100044 [2]中铁工程设计咨询集团有限公司,北京100055

出　　处：《铁道标准设计》2023年第8期16-23,共8页Railway Standard Design

基　　金：中铁工程设计咨询集团有限公司科技研究开发计划课题(研2021-12)。

摘　　要：虚拟编组技术在提升列车运行效率、缓解线路运输能力紧张、适应客流时空分布不均衡等方面存在突出优势,是轨道交通领域研究的前沿。面向虚拟编组技术的列车运行是一个复杂的过程,需要经历列车耦合、耦合编队、列车解耦等多个阶段的转换过程。其中,列车耦合和解耦是实现虚拟编组的关键技术问题,以列车的区间耦合和解耦为研究对象,展开描述列车耦合和解耦的控制过程。在此基础上,提出一种虚拟编组列车运行状态转换方案,并对虚拟编组场景下不同的列车运动状态进行动力学分析。最后,通过仿真验证虚拟编组技术在缩短行车间隔,提高线路能力方面的优越性。结果表明,在相同行车速度下,耦合编队中单元列车最小间隔远小于传统闭塞方式,且随着行车速度增加,二者之差会越来越大;当行车速度在60 km/h时,最小安全间隔相比传统方式,缩短约71.7%;此外,尽可能调度相对制动性能高的列车作为耦合编队的跟随列车,也将有利于进一步提高行车效率。Virtual coupling technology has outstanding advantages in improving the efficiency of train operation,alleviating the strain of line capacity,and adapting to the imbalance of spatial and temporal distribution of passenger flow.It is also the frontier of rail research.The train operation oriented to virtual coupling technology is a complex process,which needs to undergo several stages of transformation,such as train coupling,coupling formation and train decoupling.Among them,train coupling and train decoupling are the key to realizing virtual coupling.This paper takes interval coupling and decoupling of trains as the research object and describes the control process of train coupling and decoupling.On this basis,a scheme of running state transition of virtual coupling trains is proposed,and the dynamics analysis of different train motion states in virtual coupling scenarios is carried out.Finally,the advantages of virtual coupling technology in shortening train interval and improving line capacity are verified by simulation.The results indicate that the minimum interval of unit trains in the coupled formation is much smaller than that of the traditional block mode at the same speed,and the difference between them will become larger and larger with the increase of the speed.When the speed is 60 km/h,the minimum safe interval is shortened by 71.7%.In addition,dispatching the trains with high relative braking performance as the following trains will be beneficial to improve the driving efficiency.

关 键 词：轨道交通 虚拟编组 运输能力 列车耦合 耦合编队 列车解耦 行车间隔 

分 类 号：U284.4[交通运输工程—交通信息工程及控制]