An adaptive fuzzy logic controller using the respiratory quotient as an indicator of overdosage in the baker's yeast process期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

An adaptive fuzzy logic controller using the respiratory quotient as an indicator of overdosage in the baker's yeast process

Authors:	A. Kasperski T. Miśkiewicz

Affiliation:	(1) Department of Exact Sciences, University of Zielona Góra, Pl. Sowiaski 9, 65-069 Zielona Góra, Poland;(2) Department of Bioprocess Engineering, Wrocaw University of Economics, ul. Komandorska 118/120, 53-345 Wrocaw, Poland

Abstract:	The baker's yeast process was optimised with a fuzzy logic controller, which is capable of detecting (with the respiratory quotient as indicator) and eliminating overdosage. The controller was developed to enable automatic modification of the set value for the respiratory quotient according to glucose concentration in the broth. With this controller, a cell yield of 55% (w/w) from glucose and a maximum specific growth rate of 0.16 h^–1 were obtained.

Keywords:	baker's yeast process fuzzy logic controller overdosage respiratory quotient Saccharomyces cerevisiae
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