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On Optimal PMU Placement-Based Defense Against Data Integrity Attacks in Smart Grid
Yang, Qingyu; An, Dou; Min, Rui; Yu, Wei; Yang, Xinyu; Zhao, Wei
2017-07
Source PublicationIEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
ISSN1556-6013
Volume12Issue:7Pages:1735-1750
AbstractState estimation plays a critical role in self-detection and control of the smart grid. Data integrity attacks (also known as false data injection attacks) have shown significant potential in undermining the state estimation of power systems, and corresponding countermeasures have drawn increased scholarly interest. Nonetheless, leveraging optimal phasor measurement unit (PMU) placement to defend against these attacks, while simultaneously ensuring the system observability, has yet to be addressed without incurring significant overhead. In this paper, we enhance the least-effort attack model, which computes the minimum number of sensors that must be compromised to manipulate a given number of states, and develop an effective greedy algorithm for optimal PMU placement to defend against data integrity attacks. Regarding the least-effort attack model, we prove the existence of smallest set of sensors to compromise and propose a feasible reduced row echelon form (RRE)-based method to efficiently compute the optimal attack vector. Based on the IEEE standard systems, we validate the efficiency of the RRE algorithm, in terms of a low computation complexity. Regarding the defense strategy, we propose an effective PMU-based greedy algorithm, which cannot only defend against data integrity attacks, but also ensure the system observability with low overhead. The experimental results obtained based on various IEEE standard systems show the effectiveness of the proposed defense scheme against data integrity attacks.
KeywordData integrity attacks state estimation defense strategy system observability optimal PMU placement
DOI10.1109/TIFS.2017.2686367
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Theory & Methods ; Engineering, Electrical & Electronic
WOS IDWOS:000400919700019
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
The Source to ArticleWOS
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被引频次[WOS]:25   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
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Yang, Qingyu,An, Dou,Min, Rui,et al. On Optimal PMU Placement-Based Defense Against Data Integrity Attacks in Smart Grid[J]. IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY,2017,12(7):1735-1750.
APA Yang, Qingyu,An, Dou,Min, Rui,Yu, Wei,Yang, Xinyu,&Zhao, Wei.(2017).On Optimal PMU Placement-Based Defense Against Data Integrity Attacks in Smart Grid.IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY,12(7),1735-1750.
MLA Yang, Qingyu,et al."On Optimal PMU Placement-Based Defense Against Data Integrity Attacks in Smart Grid".IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY 12.7(2017):1735-1750.
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