A Control Configuration for Temperature Control of a Cooling Crystallizer Based on a Two-level-model Predictive Control

S. Mortazavi-Manesh and W. Y. Svrcek

Abstract
A two-level-model-predictive-control configuration is proposed that incorporates the dynamics of a crystallizer unit in order to track the required temperature cooling trajectory. Dynamic matrix control has been successfully used to control the crystallizer temperature by manipulating both heater and cooler units. The performance of the model predictive control has been evaluated by comparing its performance to a conventional PI control configuration. The results demonstrated excellent and consistent cooling temperature tracking performance by the dynamic matrix controller.

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Keywords
Crystallization, cooling crystallization, model predictive control