Modeling, simulation and control of a scheibel liquid–liquid contactor: Part 2. Model-based control synthesis and design

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Modeling, simulation and control of a scheibel liquid–liquid contactor: Part 2. Model-based control synthesis and design

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dc.contributor.author Mjalli, Farouq
dc.contributor.author Abdel-Jabbar, Nabil
dc.contributor.author Fletcher, John
dc.date.accessioned 2010-01-07T06:35:19Z
dc.date.available 2010-01-07T06:35:19Z
dc.date.issued 2004-05-26
dc.identifier.uri http://dx.doi.org/10.1016/j.cep.2004.05.015
dc.identifier.uri http://hdl.handle.net/10576/10613
dc.description.abstract This study describes an application of model-based control techniques to a liquid–liquid extraction process. The control design is based on a reduced order model of the process obtained by system identification. A multi-loop decentralized control system, in the framework of internal model control (IMC), is initially selected to control the 2 × 2 control loops of the extraction column. The interaction of loops is then investigated to explore the feasibility of such multi-loop control structure. A centralized multivariable control system is synthesized with a model predictive control (MPC) technique. The simulation results demonstrate good servo and regulatory characteristics for both control system designs. However, the MPC control of extraction proved to be superior to the IMC one in terms of speed of response, stability, robustness, and loops interaction. MPC has also shown ability to handle control operation under input variables constraints, which has significant practical importance. en_US
dc.language.iso en en_US
dc.subject Scheibel en_US
dc.subject Extraction dynamics en_US
dc.subject Liquid–liquid en_US
dc.subject Control en_US
dc.subject SISO en_US
dc.subject MIMO en_US
dc.subject imc en_US
dc.subject Model-based en_US
dc.subject MPC en_US
dc.title Modeling, simulation and control of a scheibel liquid–liquid contactor: Part 2. Model-based control synthesis and design en_US
dc.type Article en_US

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