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Dynamic threshold generators for fault detection in uncertain systems
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0001-8893-4809
2005 (engelsk)Inngår i: Proceedings of the 16th IFAC World Congress: Prague, Czech Republic, July 3 - 8, 2005, Oxford: Elsevier, 2005, s. 460-465Konferansepaper (Fagfellevurdert)
Abstract [en]

The problem of developing robust thresholds for fault detection is addressed. An inequality for the solution of a linear system with uncertain parameters is provided and is shown to be a valuable tool for developing dynamic threshold generators for fault detection. Such threshold generators are desirable for achieving robustness against model uncertainty in combination with sensitivity to small faults.The usefulness of the inequality is illustrated by developing an algorithm for detection of clogging in the valves of a flotation process. Simulations with measurement data show that the algorithm detects faults without generating false alarms.

sted, utgiver, år, opplag, sider
Oxford: Elsevier, 2005. s. 460-465
Serie
IFAC proceedings series, ISSN 0741-1146 ; 38:1
HSV kategori
Forskningsprogram
Reglerteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-35413DOI: 10.3182/20050703-6-CZ-1902.01879Lokal ID: 9f38e46b-e50e-4ca2-8776-30910f256c83OAI: oai:DiVA.org:ltu-35413DiVA, id: diva2:1008666
Konferanse
IFAC World Congress : 03/07/2005 - 08/07/2005
Merknad

Godkänd; 2005; 20160502 (andbra)

Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2017-12-15bibliografisk kontrollert

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