Structural analysis and output feedback control of nonlinear multivariable processes

Prodromos Daoutidis, Aditya Kumar

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

This article concerns general multivariable nonlinear processes, particularly those with singular characteristic matrix. A precise characterization of the structural process properties that give rise to generic singularity of the characteristic matrix is initially developed within a graph‐theoretic analysis framework. An output feedback controller synthesis problem is then formulated for multivariable processes with singular characteristic matrix. A comprehensive solution to this problem is obtained through a combination of dynamic state feedback controllers and state observers. The performance and robustness characteristics of the proposed control methodology are illustrated through simulations in a double‐effect evaporator.

Original languageEnglish (US)
Pages (from-to)647-669
Number of pages23
JournalAIChE Journal
Volume40
Issue number4
DOIs
StatePublished - Apr 1994

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