分布式控制器防御策略:利用控制器角色和控制支持小组来维持或重新获得对网络对抗电力系统的控制

IF 1.7 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS IET Cyber-Physical Systems: Theory and Applications Pub Date : 2021-04-09 DOI:10.1049/cps2.12006
Shamina Hossain-McKenzie, Kaushik Raghunath, Katherine Davis, Sriharsha Etigowni, Saman Zonouz
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引用次数: 1

摘要

分布式控制器在电网运行中起着十分重要的作用。这些控制器的协调故障或故障是一个严重的威胁,其中产生的机制和后果尚不为人所知和计划。如果某些控制器被攻击者恶意破坏,则可以操纵它们将系统驱动到不安全状态。作者提出了一种分布式控制器防御(SDCD)策略,以提高分布式控制器妥协条件下的网格容忍度。作者的第一个工作是使用可控性分析技术形式化分布式控制器所扮演的角色和它们的控制支持组。通过这些正式定义的角色和组,作者随后提出了在此类攻击期间维护或重新获得系统控制的防御策略。这里提出了一个通用的控制响应框架,用于使用剩余的操作集的分布式控制器的妥协或失败。SDCD方法在7总线系统和IEEE 118总线系统中成功地演示了单个和协调分布式控制器折衷;结果表明,SDCD能够显著降低系统压力并减轻折衷后果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Strategy for distributed controller defence: Leveraging controller roles and control support groups to maintain or regain control in cyber-adversarial power systems

Distributed controllers play a prominent role in electric power grid operation. The coordinated failure or malfunction of these controllers is a serious threat, where the resulting mechanisms and consequences are not yet well-known and planned against. If certain controllers are maliciously compromised by an adversary, they can be manipulated to drive the system to an unsafe state. The authors present a strategy for distributed controller defence (SDCD) for improved grid tolerance under conditions of distributed controller compromise. The work of the authors’ first formalises the roles that distributed controllers play and their control support groups using controllability analysis techniques. With these formally defined roles and groups, the authors then present defence strategies for maintaining or regaining system control during such an attack. A general control response framework is presented here for the compromise or failure of distributed controllers using the remaining, operational set. The SDCD approach is successfully demonstrated with a 7-bus system and the IEEE 118-bus system for single and coordinated distributed controller compromise; the results indicate that SDCD is able to significantly reduce system stress and mitigate compromise consequences.

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来源期刊
IET Cyber-Physical Systems: Theory and Applications
IET Cyber-Physical Systems: Theory and Applications Computer Science-Computer Networks and Communications
CiteScore
5.40
自引率
6.70%
发文量
17
审稿时长
19 weeks
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