Decentralized control for processes with input and output nonlinearities

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Show simple item record Su, Steven en_US Bao, Jie en_US Lee, Peter en_US
dc.contributor.editor Chemeca 2004 Conference en_US 2010-06-16T05:00:32Z 2010-06-16T05:00:32Z 2004 en_US
dc.identifier 2008003305 en_US
dc.identifier.citation Su Steven, Bao Jie, and Lee Peter 2004, 'Decentralized control for processes with input and output nonlinearities', Chemeca 2004 Conference, Sydney, Australia, pp. 1-6. en_US
dc.identifier.issn 1 877040126 en_US
dc.identifier.other E1UNSUBMIT en_US
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. en_US
dc.language en_US
dc.publisher Chemeca 2004 Conference en_US
dc.relation.isbasedon NA en_US
dc.title Decentralized control for processes with input and output nonlinearities en_US
dc.parent Proceedings of Chemeca 2004 Conference: 32nd Australasian Chemical Engineering Conference en_US
dc.journal.volume en_US
dc.journal.number en_US
dc.publocation Sydney, Australia en_US
dc.identifier.startpage 1 en_US
dc.identifier.endpage 6 en_US CHT Research Strength Core en_US
dc.conference Verified OK en_US
dc.for 091400 en_US
dc.personcode 997723 en_US
dc.personcode 0000028429 en_US
dc.personcode 0000028430 en_US
dc.percentage 100 en_US 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 20040926 en_US
dc.location.activity Sydney, Australia en_US
dc.description.keywords NA en_US

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