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Volume 5 Issue 4
Jul.  2018

IEEE/CAA Journal of Automatica Sinica

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Mohamed Hamdy, Abdalhady Ramadan and Belal Abozalam, "Comparative Study of Different Decoupling Schemes for TITO Binary Distillation Column via PI Controller," IEEE/CAA J. Autom. Sinica, vol. 5, no. 4, pp. 869-877, July 2018. doi: 10.1109/JAS.2016.7510040
Citation: Mohamed Hamdy, Abdalhady Ramadan and Belal Abozalam, "Comparative Study of Different Decoupling Schemes for TITO Binary Distillation Column via PI Controller," IEEE/CAA J. Autom. Sinica, vol. 5, no. 4, pp. 869-877, July 2018. doi: 10.1109/JAS.2016.7510040

Comparative Study of Different Decoupling Schemes for TITO Binary Distillation Column via PI Controller

doi: 10.1109/JAS.2016.7510040
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  • This paper presents a comparative study of different decoupling control schemes for a two-input, two-output (TITO) binary distillation column via proportional-integral (PI) controller. The key idea behind this paper is designing two novel fuzzy decoupling schemes that depend on human knowledge, instead of the system mathematical model used in conventional decoupling schemes. Based on conventional and inverted decoupling schemes, fuzzy and inverted fuzzy decoupling schemes are developed. The control effect is compared using simulation results for the proposed two schemes with conventional decoupling and inverted decoupling. The proposed fuzzy decoupling schemes are easy to realize and simple to design, besides they have a good decoupling capability. Two methods are used to prove asymptotic stability of each loop and the entire closed-loop system by applying the proposed fuzzy decoupling-based PI controller. The Wood and Berry model of a binary distillation column is used to illustrate the applicability of the proposed schemes.


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