Identification of channelling and recirculation parameters of agitated pulp stock chests

TitleIdentification of channelling and recirculation parameters of agitated pulp stock chests
Publication TypeJournal Article
Year of Publication2005
AuthorsKammer, L. C., F. Ein-Mozaffari, G. A. Dumont, and C. P. J. Bennington
JournalJournal of Process Control

This paper describes a mechanism for identifying the dynamics of non-ideal mixing processes. The object is to study two of the non-ideal behaviours of agitated pulp stock chests: recirculation and channelling. An initial continuous-time model, which contains physically relevant parameters, is transformed into its discrete-time counterpart. This transformation introduces some challenging identification problems, as the discrete-time parameters become a non-linear combination of the original continuous-time parameters. A system identification methodology that addresses these challenges is developed and demonstrated by means of computer simulation. The analysis of data collected from experiments on a laboratory scale model of an industrial chest shows the potential of the techniques developed in this paper. (C) 2004 Elsevier Ltd. All rights reserved.


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