Computer control for continuous cultivation ofSaccharomyces cerevisiae |
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Authors: | Kuo-Cheng Chen Wen-Teng Wu Kai-Yia Chang |
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Affiliation: | (1) Department of Chemical Engineering, National Tsing Hua University, 300 Hsinchu, Taiwan, ROC |
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Abstract: | Summary An on-line respiratory quotient control system has been developed for the continuous cultivation of baker's yeast. This system is based on moving identification of the microbial dynamics. The optimal dilution rate that was selected as the control variable was determined by minimizing a performance index. Without resorting to complicated microbial analysis, a simple and practical moving model is obtained by continually updating the input and output data. The experimental results indicate the satisfactory controllability of the present system and the possible extention of the proposed method to other bioprocesses. |
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