Decentralized control for processes with input and output nonlinearities

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dc.contributor.author Su, SW
dc.contributor.author Bao, J
dc.contributor.author Lee, P
dc.contributor.editor Conference, C
dc.date.accessioned 2010-06-16T05:00:32Z
dc.date.issued 2004-01
dc.identifier.citation Proceedings of Chemeca 2004 Conference: 32nd Australasian Chemical Engineering Conference, 2004, pp. 1 - 6
dc.identifier.isbn 1 877040126
dc.identifier.other E1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/11976
dc.description.abstract Decentralized control is the most widely used control strategy in the process industry because of its simplicity in controller design and implementation and its potential to achieve failure tolerant control. Actuator/sensor nonlinearities are often encountered in many chemical processes. This paper presents a new decentralized control method for processes which have static actuator/sensor nonlinearities, such as saturation, hysteresis and dead zone. The proposed decentralized integral controller is designed based on feedforward passivation, which can be applied to nonminimum phase processes and/or processes of high relative degree. The concept of marginally stable positive real systems is used to analyse the stability of a closed-loop system. The feedforward system is constructed to attain dynamic performance on the basis of frequency based passivity analysis. The proposed approach is used in the control of a quadruple tank process which has static nonlinearity in its actuators.
dc.publisher Chemeca 2004 Conference
dc.title Decentralized control for processes with input and output nonlinearities
dc.type Conference Proceeding
dc.parent Proceedings of Chemeca 2004 Conference: 32nd Australasian Chemical Engineering Conference
dc.journal.number en_US
dc.publocation Sydney, Australia en_US
dc.identifier.startpage 1 en_US
dc.identifier.endpage 6 en_US
dc.cauo.name CHT Research Strength Core en_US
dc.conference Verified OK en_US
dc.conference Chemeca: Australasian Conference on Chemical Engineering
dc.for 0914 Resources Engineering and Extractive Metallurgy
dc.personcode 997723
dc.percentage 100 en_US
dc.classification.name Resources Engineering and Extractive Metallurgy en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom Chemeca: Australasian Conference on Chemical Engineering en_US
dc.date.activity 20040926 en_US
dc.date.activity 2004-09-26
dc.location.activity Sydney, Australia en_US
dc.description.keywords NA en_US
pubs.embargo.period Not known
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 Elec, Mech and Mechatronic Systems
pubs.organisational-group /University of Technology Sydney/Strength - Health Technologies
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
utslib.collection.history Closed (ID: 3)


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