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Korean Journal of Chemical Engineering, Vol.21, No.1, 168-176, 2004   Nonlinear Model Order Reduction and Control of Particle Size Distribution in a Semibatch Vinyl Acetate/Butyl Acrylate Emulsion Copolymerization Reactor
Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA
This paper addresses the control of the full particle size distribution (PSD) in a semibatch emulsion copolymerization reactor. The numerical approximation of a fundamental population balance model results in a high order system to accurately describe the distribution of particle size; therefore, model order reduction is required. Pseudo random input signals are input to the mechanistic model to generate a data set which covers the reachable region of the system, on the basis of which the transformation matrices are calculated by principal component analysis (PCA). A linear time varying model with reduced order obtained from the transformation matrices is augmented in the prediction equation of linear model predictive control. The performance of the controller is evaluated to drive the particle size distribution at the final time of the batch to the desired distribution in the presence of disturbances.
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[Referenced By]
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- Choi HK, Lee W, Kim DU, Kumar S, Ha JH, Kim SS, Lee JG, Korean Journal of Chemical Engineering, 26(1), 300, 2009
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