Structural Analysis Extended with Active Fault Isolation - Methods and Algorithms

Esteban R. Gelso (Invited author), Mogens Blanke (Invited author)

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Abstract

Isolability of faults is a key issue in fault diagnosis whether the aim is maintenance or active fault-tolerant control. It is often encountered that while faults are detectable, they are only group-wise isolable from a usual diagnostic point of view. However, active injection of test signals on system inputs can considerably enhance fault isolability. This paper investigates this possibility of active fault isolation from a structural point of view. While such extension of the structural analysis approach was suggested earlier, algorithms and case studies were needed to explore this theory. The paper develops algorithms for investigation of the possibilities of active structural isolation and it offers illustrative examples and a larger case study to explore the properties of active structural isolability ideas.
Original languageEnglish
Title of host publication7. IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, SafeProcess 2009
Publication date2009
Pages597-602
ISBN (Print)978-3-902661-46-3
DOIs
Publication statusPublished - 2009
Event7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes - Barcelona, Spain
Duration: 30 Jun 20093 Jul 2009
Conference number: 7
http://safeprocess09.upc.es/

Conference

Conference7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes
Number7
CountrySpain
CityBarcelona
Period30/06/200903/07/2009
Internet address

Keywords

  • Structural analysis

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