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Revealing Stealthy Attacks in Control Systems
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
University of Melbourne, Melbourne, Australia.
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
2012 (English)In: 2012 50th Annual Allerton Conference On Communication, Control, And Computing (Allerton), IEEE conference proceedings, 2012, 1806-1813 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper the problem of revealing stealthy data-injection attacks on control systems is addressed. In particular we consider the scenario where the attacker performs zero-dynamics attacks on the system. First, we characterize and analyze the stealthiness properties of these attacks for linear time-invariant systems. Then we tackle the problem of detecting such attacks by modifying the system's structure. Our results provide necessary and sufficient conditions that the modifications should satisfy in order to detect the zero-dynamics attacks. The results and proposed detection methods are illustrated through numerical examples.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2012. 1806-1813 p.
Keyword [en]
Detection methods, In-control, Linear time invariant systems, Numerical example, Sufficient conditions, Zero dynamics
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-103329DOI: 10.1109/Allerton.2012.6483441ISI: 000320654000250Scopus ID: 2-s2.0-84875701366ISBN: 978-1-4673-4539-2 (print)OAI: oai:DiVA.org:kth-103329DiVA: diva2:559754
Conference
50th Annual Allerton Conference on Communication, Control, and Computing, Allerton, IL, USA, October 01-05, 2012
Projects
HYCON2
Funder
Swedish Research Council, 2007- 6350Swedish Research Council, 2009-4565Knut and Alice Wallenberg FoundationICT - The Next Generation
Note

QC 20121114

Available from: 2012-11-14 Created: 2012-10-10 Last updated: 2013-07-31Bibliographically approved

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fulltext(306 kB)409 downloads
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Sandberg, HenrikJohansson, Karl H.

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