Computer Control of Glutamic Acid Production Based on Fuzzy Clusterization of Culture Phases
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概要
- 論文の詳細を見る
An algorithm for the clusterization of culture status into several culture phases (lag, growth, transient, and production) was developed for the flexible control of glucose concentration in glutamic acid fermentation. Each phase has its own different type of control strategy. Phase recognition was carried out based on fuzzy sets theory. For the recognition, three measurement variables (culture time, CO_2 evolution rate, and the amount of NH_3 feed) were selected as variables of fuzzy antecedent, and several fuzzy levels for each variable were defined by a table of membership functions. The inference was carried out by a min-max fuzzy algorithm every three minutes, and the tubing pump for glucose feed was controlled to let the amount of feed follow the inferred amount. The control strategy was able to transit smoothly from one phase to another during the cultivation and the glucose concentration was successfully kept constant.
- 1991-08-25
著者
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Kishimoto Michimasa
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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Yoshida Toshimi
International Center Of Cooperative Research And Development In Microbial Engineering Japan Faculty
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NAKAJIMA MIKIO
International Center for Biotechnology, Osaka University
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Kishimoto Michimasa
Deparmtnet Of Biotechnology Osaka University
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Kishimoto Michimasa
Department Of Biological Science And Technology Science University Of Tokyo
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Nakajima M
Osaka Univ. Osaka Jpn
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Nakajima Mikio
International Center For Biotechnology Osaka University
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KITTA YOICHI
Department of biological Science and Technology, Science University of Tokyo
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TAKEUCHI SOUGO
Department of Biological Science and Technology, Science University of Tokyo
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Kitta Yoichi
Department Of Biological Science And Technology Science University Of Tokyo
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Takeuchi Sougo
Department Of Biological Science And Technology Science University Of Tokyo
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Yoshida Toshimi
International Center Of Cooperative Research In Biotechnology Japan Faculty Of Engineering Osaka Uni
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Nakajima Mikio
International Center Of Cooperative Research In Biotechnology Japan Faculty Of Engineering Osaka Uni
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