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Distributed Fault Detection and Isolation with Imprecise Network Models
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.
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 American Control Conference (ACC), IEEE Computer Society, 2012, 5906-5911 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we consider the problem of Distributed Fault Detection and Isolation (D-FDI) in large networked systems with imprecise models. Taking a previously proposed D-FDI scheme for a given initial network model, we analyze its performance under small changes in the network graph, namely the addition or removal of edges. Under some assumptions, it is shown that for this kind of perturbations there exist suitable thresholds for which fault detection and isolation is achieved. As our second contribution, we propose solutions to accomplish D-FDI with considerably lower computational burden, while handling imprecise network models. Numerical experiments demonstrating the effectiveness of the proposed solution are presented, taking the IEEE 118 bus power network as an example.

Place, publisher, year, edition, pages
IEEE Computer Society, 2012. 5906-5911 p.
Series
Proceedings of the American Control Conference, ISSN 0743-1619
Keyword [en]
Fault detection, Image edge detection, Knowledge engineering, Monitoring, Nickel, Observers, Vectors
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-103335ISI: 000310776206035Scopus ID: 2-s2.0-84869441911ISBN: 978-1-4577-1096-4 (print)OAI: oai:DiVA.org:kth-103335DiVA: diva2:559775
Conference
American Control Conference (ACC), Montreal, QC, Canada, June 27-29, 2012
Funder
Swedish Research Council, 2007-6350Swedish Research Council, 2009-4565Knut and Alice Wallenberg FoundationICT - The Next Generation
Note

QC 20121113

Available from: 2012-11-13 Created: 2012-10-10 Last updated: 2013-04-15Bibliographically approved

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Sandberg, HenrikJohansson, Karl H.

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