Comparative study on the application of Q-learning in Fed-Batch bioprocess

Chuo, H. S. E. and Tan, M. K. and Tham, H. J. and Teo, Kenneth Tze Kin (2011) Comparative study on the application of Q-learning in Fed-Batch bioprocess. In: International Conference of Chemical Engineering and Industrial Biotechnology in Conjunction with 25th SOMChe 2011 (ICCEIB-SOMChe 2011) , 28 November - 1 December 2011, UMT, Kuantan, Pahang, Malaysia.

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Official URL: http://ums.academia.edu/MinKengTan/Papers/1200589/...

Abstract

This paper aims to determine the optimal substrate feeding that is able to give high yeast production and low alcoholic content. However, to develop such control system, the complex nature of the yeast metabolism that will affect the system stability has to be considered. Q-learning (QL) is implemented to optimize the yeast production. The main purpose of QL is to reduce the dependency of bioprocess control on human expertise and the amount of data needed for effective control. QL has the learning ability that builds up experience of the process by interacting with the process environment whereby the optimal route seeks through the reward and penalty calculation. In this work, the optimal trajectory suggested by QL was also compared to the exponential feeding rate and their concentration profiles. The performance of the QL controller in rejecting disturbance is also shown.

Item Type:Conference Paper (UNSPECIFIED)
Uncontrolled Keywords:Fed-batch, Q-learning, Baker’s yeast, Fermentation
Subjects:Q Science > QA Mathematics
Divisions:SCHOOL > School of Engineering and Information Technology
ID Code:4586
Deposited By:IR Admin
Deposited On:18 Jul 2012 15:34
Last Modified:08 Sep 2014 16:14

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