探索地铁运营事故网络,促进地铁运营安全

Qi Suo, Liyuan Wang, Tianzi Yao, Zihao Wang
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引用次数: 4

摘要

摘要了解事故原因对提高地铁运营安全至关重要。以243例已报道的中国地铁运营事故为例,基于复杂网络理论构建了一个有向加权网络,其中节点和有向边分别表示因素和事件链。为了揭示地铁运行事故网络的主要原因,从全局和局部两个角度分析了地铁运行事故网络的拓扑特征。结果表明,从平均路径长度和级联效应的角度来看,设施型因素与事故发生的关系更为密切。列车延误、列车停运等事故类型是重大的风险承受者。应注意出线度、出线强度、中间中心性和聚类系数较大的关键原因,如通信和信号故障、车辆故障、堆进列车等。本文提出的研究框架不仅适用于中国地铁运营系统,也适用于其他交通系统的安全研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Promoting Metro Operation Safety by Exploring Metro Operation Accident Network
Abstract Understanding the causation of accidents is essential to promote metro operation safety. In terms of 243 reported metro operation accident cases in China, a directed weighted network was constructed based on complex network theory, where nodes and directed edges denotes factors and event chains respectively. To reveal the key causal factors, the topological characteristics of metro operation accident network (MOAN) were analyzed from both global and local views. The results show that facility-type factors are more closely related to the occurrence of the accidents from the perspectives of average path length and cascading effects. Accident types like train delay and train suspension are the great risk recipients. Key causal factors with large out-degree, out-strength, betweenness centrality and cluster coefficient, such as communication and signal failure, vehicle failure and piling into the train should be noticed. The research framework proposed in the paper is not only applicable to China’s metro operation system, but also appropriate for other transportation system safety studies.
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