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Regulation of a Class of Continuous Bioreactor under Switching Kinetic Behavior: Modeling and Simulation Approach
This work shows a class of nonlinear controller implemented to a nonlinear switched system, which describes dynamics of a bioreactor subjected to switching conditions on kinetics. The proposed controller was implemented to a continuous stirred anaerobic bioreactor whose model is derived by classic m...
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Published in: | Industrial & engineering chemistry research 2015-02, Vol.54 (4), p.1326-1332 |
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container_title | Industrial & engineering chemistry research |
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creator | Cuevas Ortiz, Fernando A López-Pérez, Pablo A Femat, Ricardo Lara-Cisneros, Gerardo Aguilar-López, Ricardo |
description | This work shows a class of nonlinear controller implemented to a nonlinear switched system, which describes dynamics of a bioreactor subjected to switching conditions on kinetics. The proposed controller was implemented to a continuous stirred anaerobic bioreactor whose model is derived by classic mass balances and where a sulfate-reducing process took place and kinetic regime alteration is induced. The closed-loop stability of the system is shown via Lyapunov functions and in face to distinct kinetic and transition stages. Numerical simulations were performed to compare the proposed controller to a high order sliding mode controller. The control output is capable of making the sulfate concentration converge to the given set-point, regardless the kinetic regime or transition stage it was on. |
doi_str_mv | 10.1021/ie504180v |
format | article |
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Eng. Chem. Res</addtitle><date>2015-02-04</date><risdate>2015</risdate><volume>54</volume><issue>4</issue><spage>1326</spage><epage>1332</epage><pages>1326-1332</pages><issn>0888-5885</issn><eissn>1520-5045</eissn><abstract>This work shows a class of nonlinear controller implemented to a nonlinear switched system, which describes dynamics of a bioreactor subjected to switching conditions on kinetics. The proposed controller was implemented to a continuous stirred anaerobic bioreactor whose model is derived by classic mass balances and where a sulfate-reducing process took place and kinetic regime alteration is induced. The closed-loop stability of the system is shown via Lyapunov functions and in face to distinct kinetic and transition stages. Numerical simulations were performed to compare the proposed controller to a high order sliding mode controller. 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subjects | Bioreactors Computer simulation Control Dynamical systems Mathematical models Nonlinear dynamics Nonlinearity Switching |
title | Regulation of a Class of Continuous Bioreactor under Switching Kinetic Behavior: Modeling and Simulation Approach |
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