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Model-based gas leakage detection and isolation in a pressurized system via Laguerre spectrum analysis
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0001-8893-4809
1998 (English)In: Proceedings of the 1998 IEEE International Conference on Control Applications: September 1 - 4, 1998, Stazione Marittima Congress Center, Trieste, Italy, Piscataway, NJ: IEEE Communications Society, 1998, 212-216 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper deals with gas-leakage detection and isolation in a fine coal injection vessel for a blast furnace process. Functions describing the expected time-domain behaviour of different leakages are developed, thus reducing the leakage isolation problem to pattern recognition. In order to lower the computational burden while preserving the essential dynamic behaviour of a leakage, a truncated Laguerre series representation is used. The Generalized Likelihood Ratio methos is employed to compare the Laguerre of the residual with the Laguerre spectra of the predefined typical leakage functions. Tests of the developed algorithm have been successfully performed at SSAB Tunnplåt, Luleå.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1998. 212-216 p.
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-37811DOI: 10.1109/CCA.1998.728368Scopus ID: 32289723Local ID: bf180010-6774-11db-8cbe-000ea68e967bISBN: 0-7803-4104-X (print)OAI: oai:DiVA.org:ltu-37811DiVA: diva2:1011309
Conference
IEEE International Conference on Control Applications : 01/09/1998 - 04/09/1998
Note
Godkänd; 1998; 20061025 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-12-15Bibliographically approved

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CiteExportLink to record
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