Journal
CONTROL ENGINEERING PRACTICE
Volume 54, Issue -, Pages 202-213Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2016.06.006
Keywords
Lactic acid production; Kinetic-free adaptive control; Feedback linearizing controller; Wheat flour; Production rate estimation
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Lactic acid is an important molecule for biopolymer production that can be obtained by biological processes. This work deals with the control of the lactic acid concentration in its production bioprocess using wheat flour as substrate. An adaptive control strategy for the simultaneous saccharification, proteins hydrolysis and fermentation (SSPHF) continuous process of lactic acid production is proposed in order to regulate the lactic acid concentration to the target value. The latter is determined so that the lactic acid productivity is maximized. The control strategy effectiveness and robustness are illustrated by means of experimental results. (C) 2016 Elsevier Ltd. All rights reserved.
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