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Decentralised sliding mode control for nonminimum phase interconnected systems based on a reduced-order compensator

Yan, Xing-Gang and Spurgeon, Sarah K. and Edwards, Christopher (2006) Decentralised sliding mode control for nonminimum phase interconnected systems based on a reduced-order compensator. Automatica, 42 (10). pp. 1821-1828. ISSN 0005-1098

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Abstract

In this paper, a class of interconnected systems with mismatched uncertainties is considered. A sliding surface is proposed in an augmented space formed by the system output and the compensator state variables, and the stability of the corresponding sliding mode is analysed. A robust decentralised reduced-order output feedback sliding mode controller is then designed to drive the system to the composite sliding surface and maintain a sliding motion on it thereafter. The proposed approach allows both the isolated nominal subsystem and the nominal interconnected system to be nonminimum phase. The known interconnections and the bounds on the uncertain interconnections are fully used in the control design to reduce conservatism.

Item Type: Article
Journal or Publication Title: Automatica
Uncontrolled Keywords: Interconnected systems ; Sliding mode technique ; Nonminimum phase ; Reduced-order compensator
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 56669
Deposited By: ep_importer_pure
Deposited On: 22 Aug 2012 10:31
Refereed?: Yes
Published?: Published
Last Modified: 17 Sep 2013 08:35
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/56669

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