Studying of The Dynamic Behaviour and Control of Continuous Distillation Column

The present work deals with studying the dynamic behaviour of continuous distillation tray column and implementing different type of control strategies for the separation of binary mixture composed of ethanol and water. Mathematical model of distillation column is derived and designed by using Matla...

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Main Authors: Duraid F. Ahmad, Mohammad H. Khalaf
Format: Article
Language:English
Published: Tikrit University 2013-07-01
Series:Tikrit Journal of Engineering Sciences
Online Access:https://tj-es.com/ojs/index.php/tjes/article/view/351
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author Duraid F. Ahmad
Mohammad H. Khalaf
author_facet Duraid F. Ahmad
Mohammad H. Khalaf
author_sort Duraid F. Ahmad
collection DOAJ
description The present work deals with studying the dynamic behaviour of continuous distillation tray column and implementing different type of control strategies for the separation of binary mixture composed of ethanol and water. Mathematical model of distillation column is derived and designed by using Matlab program depending on the mathematical model derived to find temperature response for many disturbances. The comparison between the experimental and theoretical responses for temperature in top and bottom of distillation column for step change in feed flow rate, reflux ratio and feed weight fraction showed that the difference is simple. This study includes designing fuzzy logic controller which depending on some of logic rules depending on fuzzy sets and through trading from experimental works where designing this controller by using Matlab program and applying it on dynamics model for two control scheme and tuning it by trial and error method. The Comparison between fuzzy logic and (PID) control methods is done for many disturbances and measure the controller performance by using mean square error and integral square error that the result performance showed that the fuzzy controller better than the conventional controller through fast access to the desired value and cancelling the disturbances.
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spelling doaj.art-d573498918474535a4480364ec95fac32023-07-12T12:54:37ZengTikrit UniversityTikrit Journal of Engineering Sciences1813-162X2312-75892013-07-0121110.25130/tjes.21.1.07Studying of The Dynamic Behaviour and Control of Continuous Distillation ColumnDuraid F. Ahmad0Mohammad H. Khalaf1Chemical Eng. Dept., Tikrit University, IraqChemical Eng. Dept., Tikrit University, IraqThe present work deals with studying the dynamic behaviour of continuous distillation tray column and implementing different type of control strategies for the separation of binary mixture composed of ethanol and water. Mathematical model of distillation column is derived and designed by using Matlab program depending on the mathematical model derived to find temperature response for many disturbances. The comparison between the experimental and theoretical responses for temperature in top and bottom of distillation column for step change in feed flow rate, reflux ratio and feed weight fraction showed that the difference is simple. This study includes designing fuzzy logic controller which depending on some of logic rules depending on fuzzy sets and through trading from experimental works where designing this controller by using Matlab program and applying it on dynamics model for two control scheme and tuning it by trial and error method. The Comparison between fuzzy logic and (PID) control methods is done for many disturbances and measure the controller performance by using mean square error and integral square error that the result performance showed that the fuzzy controller better than the conventional controller through fast access to the desired value and cancelling the disturbances. https://tj-es.com/ojs/index.php/tjes/article/view/351
spellingShingle Duraid F. Ahmad
Mohammad H. Khalaf
Studying of The Dynamic Behaviour and Control of Continuous Distillation Column
Tikrit Journal of Engineering Sciences
title Studying of The Dynamic Behaviour and Control of Continuous Distillation Column
title_full Studying of The Dynamic Behaviour and Control of Continuous Distillation Column
title_fullStr Studying of The Dynamic Behaviour and Control of Continuous Distillation Column
title_full_unstemmed Studying of The Dynamic Behaviour and Control of Continuous Distillation Column
title_short Studying of The Dynamic Behaviour and Control of Continuous Distillation Column
title_sort studying of the dynamic behaviour and control of continuous distillation column
url https://tj-es.com/ojs/index.php/tjes/article/view/351
work_keys_str_mv AT duraidfahmad studyingofthedynamicbehaviourandcontrolofcontinuousdistillationcolumn
AT mohammadhkhalaf studyingofthedynamicbehaviourandcontrolofcontinuousdistillationcolumn