Optimal Control of Model Reduction Binary Distillation Column

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Nasir Ahmed Alawad 1,* Afaf Jebar Muter 1

1. Department of Computer Engineering, Faculty of Engineering, Mustansiriyah University, Baghdad, IRAQ

* Corresponding author.

DOI: https://doi.org/10.5815/ijmecs.2021.01.05

Received: 1 Apr. 2020 / Revised: 20 Apr. 2020 / Accepted: 8 May 2020 / Published: 8 Feb. 2021

Index Terms

Optimal control, Distillation column, Model Reduction, PID controller


A binary distillation process with desired composition rate is considered. The aim is to find a control (Top and bottom compositions) which is optimal with respect to energy consumption and which is robust at the same time with respect to the response speed(less time) and minimum overshot. The solution approach is based on the formulation of two optimization techniques, Invasive Wood (IWO) and Differential Evolution (DE) with respect to Integral Square Error (ISE) and Integral Absolute Error (IAE) fitness function with using Proportinal_Integral-Derivative (PID) controller. An overall model including the dynamics of the distillation process is assumed with model reduction methods. This optimal control is compared with classical approach. The numerical results are presented and showed the effectiveness of the proposed control. MATLAB package is used for simulation and analysis.

Cite This Paper

Nasir Ahmed Alawad, Afaf Jebar Muter, "Optimal Control of Model Reduction Binary Distillation Column", International Journal of Modern Education and Computer Science(IJMECS), Vol.13, No.1, pp. 59-68, 2021.DOI: 10.5815/ijmecs.2021.01.05


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