Application of evolutionary learning in Wiener neural identification and predictive control of a plug-flow tubular reactor

Arefi, Mohammad Mehdi and Montazeri, Allahyar and Jahed-Motlagh, Mohanimad Reza and Poshtan, Javad (2007) Application of evolutionary learning in Wiener neural identification and predictive control of a plug-flow tubular reactor. In: Industrial Electronics Society, 2007. IECON 2007. 33rd Annual Conference of the IEEE. IEEE Industrial Electronics Society . IEEE, Taipei, pp. 644-650. ISBN 978-1-4244-0783-5

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Abstract

In this paper, identification and nonlinear model predictive control of highly nonlinear plug-flow tubular reactor based on Wiener model is studied. This process simulated in a rather realistic environment by HYSYS, and the obtained data is in connection with MATLAB for identification and control purpose. The process is identified with NN-Wiener identification method, and two linear and nonlinear model predictive controllers are applied with the ability of rejecting slowly varying unmeasured disturbance. Since the identification problem must be solved with a nonlinear optimization method, to attain the best possible model for prediction genetic algorithm is used. The Simulation results show that the obtained Wiener model has a good capability to predict the step response of the process. The results for control are also compared with a common PI controller for temperature control of tubular reactor. It is shown that the nonlinear controller has the fastest damped response in comparison with the other two controllers.

Item Type:
Contribution in Book/Report/Proceedings
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ID Code:
65701
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Deposited On:
15 Jul 2013 10:01
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 05:43