Adaptive predictive control of a multistage fermentation process

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Abstract
Theoretical and experimental studies concerning the application of modern adaptive techniques for the control of continuous alcoholic fermentation of glucose by a yeast strain conducted in a multistage reactor are reported. The practical control objective was the regulation of the substrate concentration in the process effluent. Mathematical expressions for the control scheme are given, with the underlying control engineering argumentation. Suitable feeding of sugar for stage 2 was controlled to minimize the effluent sugar concentration.