NDLI: Cyber attacks scenarios on the measurement function of power state estimation

Content Provider	IEEE Xplore Digital Library
Author	Chakhchoukh, Y. Ishii, H.
Copyright Year	2015
Description	Author affiliation: Dept. of Comput. Intell. & Syst. Sci., Tokyo Inst. of Technol., Yokohama, Japan (Chakhchoukh, Y.; Ishii, H.)
Abstract	Cyber security provided by robust power systems state estimation (SE) methods is evaluated. Tools and estimators developed in robust statistics theory are considered. The least trimmed squares (LTS) based diagnostic is studied. The impact of cyber attacks on the Jacobian matrix or observation function, which generate coordinated outliers known as leverage points, is assessed. Two scenarios of attacks are proposed where the first scenario generates a masked attack resulting in a contaminated state uncontrolled by the intruder. The second scenario leads to a stealthy attack with an estimated targeted state fixed by the same intruder. Intervals for the necessary number of attacks for each scenario and their positions are shown. Theoretical derivations based on a projection framework highlights the conditions that minimize detection with robust SE approaches developed from the regression model assumption. More specifically, affine equivariant robust estimators present a weakness towards such intrusions. Simulations on IEEE power system test beds illustrate the behavior of the robust LTS with decomposition and the popular detection methods analyzing the weighted least squares (WLS) residuals when subject to both scenarios' attacks.
Starting Page	3676
Ending Page	3681
File Size	191686
Page Count	6
File Format	PDF
e-ISBN	9781479986842
DOI	10.1109/ACC.2015.7171901
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Robustness Jacobian matrices Power systems Electric breakdown Least squares approximations Topology Redundancy
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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