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Closed Loop Performance Monitoring in the Presence of System Changes and Disturbances
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
University of Newcastle, Australia.
1998 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 34, no 11, 1311-1326 p.Article in journal (Refereed) Published
Abstract [en]

This paper addresses issues in closed-loop performance monitoring. Particular attention is paid to detecting whether an observed deviation from nominal performance is due to a disturbance or due to a control relevant system change. This is achieved by introducing a novel performance measure that allows feasible application of a standard CUSUM change detector. The paper includes explicit results on the risk of mistaking a disturbance for a system change. The algorithm has been implemented in real time on a DSP and evaluated on a DC motor.

Place, publisher, year, edition, pages
Elsevier, 1998. Vol. 34, no 11, 1311-1326 p.
Keyword [en]
Change detection, Adaptive control, Stability margin, Surveillance, Disturbance rejection
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-56375DOI: 10.1016/S0005-1098(98)00078-8OAI: oai:DiVA.org:liu-56375DiVA: diva2:318468
Available from: 2010-05-07 Created: 2010-05-07 Last updated: 2017-12-12

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Gustafsson, Fredrik

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