Control of baker’s yeast fermentation: PID and fuzzy algorithms

Machado, Carlos; Gomes, Pedro; Soares, Rui; Pereira, Sílvia; Soares, Filomena Baptista

http://hdl.handle.net/10400.22/4024

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Authors

Soares, Filomena Baptista

Abstract(s)

A MATLAB/SIMULINK-based simulator was employed for studies concerning the control of baker’s yeast fed-batch fermentation. Four control algorithms were implemented and compared: the classical PID control, two discrete versions- modified velocity and position algorithms, and a fuzzy law. The simulation package was seen to be an efficient tool for the simulation and tests of control strategies of the nonlinear process.