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Analysis of network cascading failure based on the cluster aggregation in cyber-physical systems

机译：基于网络物理系统群集聚集的网络级联失败分析

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摘要

A cascading failure is a phenomenon in which the failure of one or several nodes triggers the failure of other nodes. In cyber-physical systems, the failure propagation of edge information adversely affects the network performance. Past research on cascade failure has primarily focused on the node distribution but has ignored the influence of the edges on the cascading failure and network stability. In addition, research is lacking on the internal connections of nodes and edges and the role of the constituent topology. In this paper, a cascading failure model that considers different types of nodes and edges and their contribution to the network is developed and analyzed based on cluster aggregation in cyber-physical systems. The topological changes in the networks after multiple aggregations of clusters during a cascading failure are described. The relative capacity of the flow of the edges is proposed to determine the importance rank of the network elements, and the integrated transfer efficiency of the network is used to assess the performance. The model can detect the most important nodes, edges, and critical failure paths. These factors are of great significance for adjusting the topology of the network or designing new networks. Examples of networks are used to demonstrate the proposed method.
机译：级联失败是一种现象，其中一个或多个节点的失败触发了其他节点的故障。在网络物理系统中，边缘信息的故障传播对网络性能产生不利影响。过去对级联故障的研究主要集中在节点分布上，而是忽略了边缘对级联故障和网络稳定性的影响。此外，缺乏节点和边缘的内部连接以及组成拓扑的作用。本文基于网络物理系统中的集群聚集，开发并分析了一种级联失败模型，并考虑不同类型的节点和边缘以及它们对网络的贡献。描述了在级联失败期间在级联失败期间多次聚合之后网络的拓扑变化。提出了边缘流的相对容量来确定网络元件的重要性等级，并且网络的集成传输效率用于评估性能。该模型可以检测最重要的节点，边缘和严重故障路径。这些因素对于调整网络的拓扑或设计新网络具有重要意义。网络的示例用于展示所提出的方法。

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  • 来源
    《Reliability Engineering & System Safety》 |2020年第10期|106963.1-106963.17|共17页
  • 作者

    Zhang Chao; Xu Xin; Dui Hongyan;

  • 作者单位

    Beihang Univ Sch Automat Sci & Elect Engn Beijing 100083 Peoples R China|Beihang Univ Res Inst Frontier Sci Beijing 100191 Peoples R China;

    Southeast Univ Sch Econ & Management Nanjing 210096 Peoples R China;

    Zhengzhou Univ Sch Management Engn Zhengzhou 450001 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cascading failure; Networks; nodes; Edges; Cyber-physical systems;

    机译：级联失败;网络;节点;边缘;网络物理系统;

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