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dc.contributor.authorNandong, Jobrun
dc.contributor.authorZang, Zhuquan
dc.identifier.citationNandong, J. and Zang, Z. 2014. Generalized multi-scale control scheme for cascade processes with time-delays. Journal of Process Control. 24 (7): pp. 1057-1067.

The cascade control is a well-known technique in process industry to improve regulatory control performance. The use of the conventional PI/PID controllers has often been found to be ineffective for cascade processes with long time-delays. Recent literature report has shown that the multi-scale control (MSC) scheme is capable of providing improved performance over the conventional PID controllers for processes characterized by long time-delays as well as slow RHP zeros. This paper presents an extension of this basic MSC scheme to cascade processes with long time-delays. This new cascade MSC scheme is applicable to self-regulating, integrating and unstable processes. Extensive numerical studies demonstrate the effectiveness of the cascade MSC scheme compared with some well-established cascade control strategies.

dc.publisherElsevier Science Ltd.
dc.subjectCascade control
dc.subjectMulti-scale control
dc.subjectModified Smith predictor
dc.titleGeneralized multi-scale control scheme for cascade processes with time-delays
dc.typeJournal Article
dcterms.source.titleJournal of Process Control

NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Process Control. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Process Control, Vol.24, no.7 (2014). DOI: 10.1016/j.jprocont.2014.05.012

curtin.departmentCurtin Sarawak
curtin.accessStatusOpen access

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