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Networked Control Systems under Cyber Attacks with Applications to Power Networks
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-1835-2963
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2010 (English)In: 2010 AMERICAN CONTROL CONFERENCE   , 2010, 3690-3696 p.Conference paper (Refereed)
Abstract [en]

Networked control systems under certain cyber attacks are analyzed. The communication network of these control systems make them vulnerable to attacks from malicious outsiders. Our work deals with two types of attacks: attacks on the network nodes and attacks on the communication between the nodes. We propose a distributed scheme to detect and isolate the attacks using observers. Furthermore, we discuss how to reduce the number of observer nodes while maintaining the coverage of the entire network. The results are applied to two classes of networked control systems: a network running the consensus protocol and a power network defined by the linearized swing equation. Sufficient conditions for the existence of the proposed attack detection scheme are provided for the first class of systems. For the second class, we provide a necessary condition for the existence of the proposed detection scheme.

Place, publisher, year, edition, pages
2010. 3690-3696 p.
Series
, Proceedings of the American Control Conference, ISSN 0743-1619
Keyword [en]
Networked Control Systems, Fault Detection, Power Systems
National Category
Control Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-32263ISI: 000287187904014ScopusID: 2-s2.0-77957775842ISBN: 978-1-4244-7427-1OAI: oai:DiVA.org:kth-32263DiVA: diva2:410986
Conference
American Control Conference
Note
QC 20110415Available from: 2011-04-15 Created: 2011-04-11 Last updated: 2012-02-07Bibliographically approved

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Teixeira, AndreSandberg, HenrikJohansson, Karl H.
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