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Output feedback sliding mode FTC for a class of nonlinear inter-connected systems

Patton, Ron J.; Huang, Zheng

Authors

Zheng Huang

Abstract

This paper is concerned with the challenge of developing a fault-tolerant control (FTC) scheme for an inter-connected decentralised system in which the individual subsystems are linear but the inter-connections are non-linear functions of the subsystem states and controls. It is assumed that the subsystems are disturbed by matched faults. The purpose of the decentralised control is to de-couple the subsystems with global and local control objectives as well as de-coupling the effects of uncertainties and faults. The paper describes the LMI-based sliding mode control (SMC) design, including Lemmas and proofs were appropriate and the main properties of the design approach, control objectives, stability, fault-tolerance and robustness are outlined. Results are given to illustrate the properties of the control design, meeting the desired objectives of stability, local and global control performance, subsystem de-coupling and fault-tolerance for a 3 electrical machine interconnected system with non-linear inter-connections that are functions of machine rotor angle deviations

Presentation Conference Type Conference Paper (unpublished)
Publication Date Sep 1, 2015
Journal IFAC-PapersOnLine
Print ISSN 1474-6670
Electronic ISSN 2405-8963
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 28
Issue 21
Pages 1140-1145
Institution Citation Patton, R. J., & Huang, Z. Output feedback sliding mode FTC for a class of nonlinear inter-connected systems. Paper presented at IFAC-PapersOnLine
DOI https://doi.org/10.1016/j.ifacol.2015.09.680
Keywords Sliding mode control, Decentralized control, Inter-connected systems, Fault-tolerant control, Static output feedback
Publisher URL http://www.sciencedirect.com/science/article/pii/S2405896315018091
Additional Information This is a copy of the accepted version of an article published in IFAC-PapersOnLine, 2015, v.48 issue 21.

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