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PID and Sliding Mode Control for a Reactor-Separator-Recycler System: A Regulatory Controllers’ Comparison

  • Roberto Arroba
  • , Karina Rocha
  • , Marco Herrera
  • , Paulo Leica
  • , Oscar Camacho*
  • *Corresponding author for this work
  • Escuela Politecnica Nacional

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

One of the most common methods to obtain propylene glycol (PG) is using a Re-actor-Separator-Recycle (RSR) system. The control of temperature and reagent concentration during the process operation are essentials for the optimal performance of this chemical process. Those variables are regulated using control techniques to maintain the process in the operating points in the presence of disturbance. However, the nonlinear behavior of the process limits the range of operating point using classical controls, being robust control an alternative for nonlinear processes. Here, the performance of classical and robust control techniques in the presence of disturbance in the mixing point is simulated in an RSR system to obtain PG. The results show through of the Integral Square Error (ISE) index that robust control techniques have better efficiency and soft control action than classical techniques when a stronger disturbance is applied.

Original languageEnglish
Title of host publicationSystems and Information Sciences - Proceedings of ICCIS 2020
EditorsMiguel Botto-Tobar, Willian Zamora, Johnny Larrea Plúa, José Bazurto Roldan, Alex Santamaría Philco
PublisherSpringer Science and Business Media Deutschland GmbH
Pages366-377
Number of pages12
ISBN (Print)9783030591939
DOIs
StatePublished - 2021
Externally publishedYes
Event1st International Conference on Systems and Information Sciences, ICCIS 2020 - Manta, Ecuador
Duration: 27 Jul 202029 Jul 2020

Publication series

NameAdvances in Intelligent Systems and Computing
Volume1273 AISC
ISSN (Print)2194-5357
ISSN (Electronic)2194-5365

Conference

Conference1st International Conference on Systems and Information Sciences, ICCIS 2020
Country/TerritoryEcuador
CityManta
Period27/07/2029/07/20

Keywords

  • Chemical process
  • Propylene glycol
  • Recycling system
  • Regulatory control
  • SMC

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