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Analysis of the Impact of Combined Information-Physical-Failure on Distribution Network CPS

机译：分配网络CPS组合信息 - 物理故障的影响分析

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摘要

With the rapid development of ICT technology and automation control technology, the distribution network has gradually transformed into a distribution network cyber-physical system (distribution network CPS) with highly coupled information and physical systems. The information system supports the stable operation of the physical system but also brings about certain security risks to the distribution network CPS. Therefore, information impact should be considered in the original anticipated physical fault assessment. This paper proposes a security analysis and evaluation method for distribution network CPS considering anticipated combined information-physical fault screening. First, based on the CPS structure of the distribution network, a CPS correlation matrix model of the distribution network that can reflect the power-information coupling characteristics is established. Then, we analyze the correlation between information failure and physical failure, and we construct an initial anticipated combined information-physical-fault set according to topology and service correlations. Next, based on the fault recovery rate ordering, the key anticipated combined information-physical fault is selected. Finally, for the selected combination of anticipated failures, an assessment of the distribution network CPS security assessment indicators is carried out and verified via example.
机译：随着ICT技术和自动化控制技术的快速发展，分销​​网络已经逐渐转变为具有高耦合信息和物理系统的分销网络网络地理系统（分发网络CP）。信息系统支持物理系统的稳定运行，但也为分销网络CP带来了某些安全风险。因此，应在原始预期的物理故障评估中考虑信息影响。本文提出了考虑预期的组合信息 - 物理故障筛选的分发网络CPS安全分析和评估方法。首先，基于分配网络的CPS结构，建立了可以反映电力信息耦合特性的分配网络的CPS相关矩阵模型。然后，我们分析信息故障和物理失败之间的相关性，并且我们根据拓扑和服务相关构建初始预期的组合信息 - 物理故障集。接下来，基于故障恢复速率排序，选择关键预期的组合信息 - 物理故障。最后，对于预期失败的选定组合，通过示例进行分配网络CPS安全评估指标的评估和验证。

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