Multi-loop integral controllability analysis for nonlinear multiple-input single-output processes

Zhang, Y; Su, S; Savkin, A; Celler, B; Nguyen, H

Multi-loop integral controllability analysis for nonlinear multiple-input single-output processes

Zhang, Y Su, S

Savkin, A Celler, B Nguyen, H

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Publication Type:: Conference Proceeding
Citation:: 2012 2nd Australian Control Conference, AUCC 2012, 2012, pp. 81 - 85
Issue Date:: 2012-01-01

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Field	Value	Language
dc.contributor.author	Zhang, Y	en_US
dc.contributor.author	Su, S https://orcid.org/0000-0002-5720-8852	en_US
dc.contributor.author	Savkin, A	en_US
dc.contributor.author	Celler, B	en_US
dc.contributor.author	Nguyen, H https://orcid.org/0000-0003-3373-8178	en_US
dc.date.issued	2012-01-01	en_US
dc.identifier.citation	2012 2nd Australian Control Conference, AUCC 2012, 2012, pp. 81 - 85	en_US
dc.identifier.isbn	9781922107633	en_US
dc.identifier.uri	http://hdl.handle.net/10453/120955
dc.description.abstract	Multi-loop integral control is still one of the most popular control strategies in industry due to its simplicity, efficiency, offset free tracking, and capability for fault tolerance. Skogestad and Morari introduced Decentralized Integral Controllability (DIC) to investigate the decentralized unconditional stability under multi-loop integral control for square systems. However, in engineering practice, some multivariable processes may not be square, which often utilize multiple redundant control inputs for the regulation of only one single output. This study extends the concept of Decentralized Integral Controllability to non-square systems, and presents sufficient conditions for Multiple-Input Single-Output nonlinear processes based on singular perturbation analysis. The proposed controllability analysis method is applied in the control of a real time temperature control system and achieves desired temperature tracking results. © 2012 Institute of Engineers.	en_US
dc.relation.ispartof	2012 2nd Australian Control Conference, AUCC 2012	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Multi-loop integral controllability analysis for nonlinear multiple-input single-output processes	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0903 Biomedical 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/Strength - CHT - Health Technologies
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

Multi-loop integral control is still one of the most popular control strategies in industry due to its simplicity, efficiency, offset free tracking, and capability for fault tolerance. Skogestad and Morari introduced Decentralized Integral Controllability (DIC) to investigate the decentralized unconditional stability under multi-loop integral control for square systems. However, in engineering practice, some multivariable processes may not be square, which often utilize multiple redundant control inputs for the regulation of only one single output. This study extends the concept of Decentralized Integral Controllability to non-square systems, and presents sufficient conditions for Multiple-Input Single-Output nonlinear processes based on singular perturbation analysis. The proposed controllability analysis method is applied in the control of a real time temperature control system and achieves desired temperature tracking results. © 2012 Institute of Engineers.

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http://hdl.handle.net/10453/120955