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Fault-tolerant control of an air heating fan using set-valued observers: An experimental evaluation
Paulo Rosa1; Tiago Simão4,5; Carlos Silvestre2,3; João M. Lemos4,5
2016-05-05
Source PublicationInternational Journal of Adaptive Control and Signal Processing
ISSN0890-6327
Volume30Issue:2Pages:336-358
Other Abstract

This paper proposes a multiple-model solution to the problem of controlling an air heating fan subject to faults. These faults are modeled by means of an abnormal unknown airflow input rate which the nominal controller is not designed for. Moreover, the average temperature of the air flowing through the system, which can be seen as an offset on the corresponding dynamics, is (slowly) time-varying and highly dependent on the ambient temperature. The fault-tolerant control (FTC) method adopted makes use of set-valued observers (SVOs) to invalidate possible models of the system. Unlike classical fault detection, this approach does not rely on residuals to detect abnormal system operation. This fact allows to reduce the conservatism of the solution and enables a straightforward design from the faulty and nominal models of the plant. Moreover, the absolute distinguishability concept is used to derive input signals that bolster the detection of faults. Although SVOs require heavy real-time calculations that hinder its implementability in systems with low computational power, it is shown that the architecture of the FTC strategy proposed is highly parallelizable and, thus, may take advantage of standard multi-core processing units. Experimental results are presented. Copyright © 2015 John Wiley & Sons, Ltd.

KeywordFault Tolerant Control Multiple-model Set-valued Observers Fault Distinguishability
DOI10.1002/acs.2566
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000369342100012
PublisherWILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorPaulo Rosa
Affiliation1.Deimos Engenharia, 1998-023 Lisboa, Portugal
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau, China
3.Institute for Systems and Robotics-Instituto Superior Técnico, Lisbon 1049-001, Portugal
4.INESC-ID, 1049-001 Lisboa, Portugal
5.Instituto Superior Tecnico, 1049-001 Lisboa, Portugal
Recommended Citation
GB/T 7714
Paulo Rosa,Tiago Simão,Carlos Silvestre,et al. Fault-tolerant control of an air heating fan using set-valued observers: An experimental evaluation[J]. International Journal of Adaptive Control and Signal Processing,2016,30(2):336-358.
APA Paulo Rosa,Tiago Simão,Carlos Silvestre,&João M. Lemos.(2016).Fault-tolerant control of an air heating fan using set-valued observers: An experimental evaluation.International Journal of Adaptive Control and Signal Processing,30(2),336-358.
MLA Paulo Rosa,et al."Fault-tolerant control of an air heating fan using set-valued observers: An experimental evaluation".International Journal of Adaptive Control and Signal Processing 30.2(2016):336-358.
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