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Control orientated b-spline modelling of a dynamic MWD system

Yue, H. and Wang, H. and Cao, L. (2006) Control orientated b-spline modelling of a dynamic MWD system. In: International Symposium on Advanced Control of Chemical Processes, 2006-04-02 - 2006-04-05.

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A detailed dynamic model has been developed for the molecular weight distribution (MWD) of styrene bulk polymerization in a continuous stirred tank reactor (CSTR). The moment techniques are applied to formulate the MWD parameters based on the Schultz-Zimm distribution. In order to provide a general model for MWD control, the B-spline approximation has been introduced into the dynamic MWD modelling and the scanning least-square algorithm has been used for parameter estimation of the B-spline weights model. Under simulation environment, this model has been proved to be efficient for feedback MWD control.