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Protecting Positive and Second-Order Systems against Undetectable Attacks
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. University of California at Berkeley, United States.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
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2017 (English)In: IFAC-PapersOnLine, ISSN 2405-8963, Vol. 50, no 1, p. 8373-8378Article in journal (Refereed) Published
Abstract [en]

Undetectable attacks in security studies of cyber-physical systems render the measurements of the system equal to a possible physical response. In this paper, we investigate defense strategies against the undetectable single-attack for positive systems and second-order systems, which both can be reinterpreted in terms of graphs with nodes and edges, while the undetectable attack is added through one of the nodes. We show that an arbitrary placement of a sensor prevents undetectable single-attack for these classes of systems. It is worth emphasising that we do not need to measure at the corrupted node to prevent the undetectable single-attack, but can measure at any node. The defense strategy is of a low complexity and can be readily implemented.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 50, no 1, p. 8373-8378
Keywords [en]
defense strategy, positive systems, second-order systems, sensor placement, Undetectable attacks
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-223050DOI: 10.1016/j.ifacol.2017.08.1561ISI: 000423964900385Scopus ID: 2-s2.0-85031819807OAI: oai:DiVA.org:kth-223050DiVA, id: diva2:1182594
Funder
Swedish Research CouncilKnut and Alice Wallenberg FoundationSwedish Foundation for Strategic Research
Note

QC 20180214

Available from: 2018-02-14 Created: 2018-02-14 Last updated: 2018-03-05Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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