Robust output-feedback discrete-time sliding mode control utilizing disturbance observer

Argha, A; Li, L; Su, SW; Nguyen, H

Robust output-feedback discrete-time sliding mode control utilizing disturbance observer

Argha, A

Li, L

Su, SW

Nguyen, H

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Publication Type:: Conference Proceeding
Citation:: Proceedings of the IEEE Conference on Decision and Control, 2015, 54rd IEEE Conference on Decision and Control,CDC 2015 pp. 5671 - 5676
Issue Date:: 2015-02-08

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Field	Value	Language
dc.contributor.author	Argha, A https://orcid.org/0000-0002-8276-9774	en_US
dc.contributor.author	Li, L https://orcid.org/0000-0001-8485-2216	en_US
dc.contributor.author	Su, SW https://orcid.org/0000-0002-5720-8852	en_US
dc.contributor.author	Nguyen, H https://orcid.org/0000-0003-3373-8178	en_US
dc.date.available	2015-08-30	en_US
dc.date.issued	2015-02-08	en_US
dc.identifier.citation	Proceedings of the IEEE Conference on Decision and Control, 2015, 54rd IEEE Conference on Decision and Control,CDC 2015 pp. 5671 - 5676	en_US
dc.identifier.isbn	9781479978861	en_US
dc.identifier.issn	0743-1546	en_US
dc.identifier.uri	http://hdl.handle.net/10453/41095
dc.description.abstract	© 2015 IEEE. This paper is devoted to the problem of designing a robust dynamic output-feedback discrete-time sliding mode controller (ODSMC) for uncertain discrete-time systems. The basic idea behind this scheme comes from the fact that output feedback discrete-time sliding mode control (ODSMC), unlike its continuous-time counterpart, does not require to exploit a discontinuous term including the sliding function. Therefore, it is not a vital requirement that the sliding function is expressed in terms of the system outputs only. Furthermore, our observer-based discrete-time sliding mode controller (DSMC) leads to a considerably larger region of applicability. Besides, with the assumption of dealing with slow exogenous disturbances, a methodology is developed which aims to reduce the thickness of the boundary layer around the sliding surface. Moreover, the boundedness of the obtained closed-loop system is analyzed and the bound on the underlying system state is derived.	en_US
dc.relation.ispartof	Proceedings of the IEEE Conference on Decision and Control	en_US
dc.relation.isbasedon	10.1109/CDC.2015.7403109	en_US
dc.title	Robust output-feedback discrete-time sliding mode control utilizing disturbance observer	en_US
dc.type	Conference Proceeding
utslib.citation.volume	54rd IEEE Conference on Decision and Control,CDC 2015	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Biomedical Engineering
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CHT - Health Technologies
utslib.copyright.status	open_access
pubs.publication-status	Published	en_US
pubs.volume	54rd IEEE Conference on Decision and Control,CDC 2015	en_US

Abstract:

© 2015 IEEE. This paper is devoted to the problem of designing a robust dynamic output-feedback discrete-time sliding mode controller (ODSMC) for uncertain discrete-time systems. The basic idea behind this scheme comes from the fact that output feedback discrete-time sliding mode control (ODSMC), unlike its continuous-time counterpart, does not require to exploit a discontinuous term including the sliding function. Therefore, it is not a vital requirement that the sliding function is expressed in terms of the system outputs only. Furthermore, our observer-based discrete-time sliding mode controller (DSMC) leads to a considerably larger region of applicability. Besides, with the assumption of dealing with slow exogenous disturbances, a methodology is developed which aims to reduce the thickness of the boundary layer around the sliding surface. Moreover, the boundedness of the obtained closed-loop system is analyzed and the bound on the underlying system state is derived.

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http://hdl.handle.net/10453/41095