Control for recycle systems based on a discrete time model approximation

B. Del-Muro-Cuellar, M. Velasco-Villa, H. Puebla, J. Alvarez-Ramirez

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

Abstract

Exponential polynomials arising in transfer functions of chemical processes with recycle and time-delay preclude the use of standar control technics designed for free-delay systems. in this work a simple and effective methodology to derive an approximate discrete-time model free of delay of a continuous time-delayed systems describing recycle and dead-time processes is proposed. The method is based on the discretization of a sampled version of the time-delay term in the original continuous model.

Original languageEnglish
Title of host publicationProceedings of the 16th IFAC World Congress, IFAC 2005
PublisherIFAC Secretariat
Pages249-254
Number of pages6
Edition1
ISBN (Print)008045108X, 9780080451084
DOIs
StatePublished - 2005
Externally publishedYes

Publication series

NameIFAC Proceedings Volumes (IFAC-PapersOnline)
Number1
Volume38
ISSN (Print)1474-6670

Keywords

  • Chemical industry
  • Discrete digital dynamic control
  • Discrete time
  • Model approximation
  • Time delay

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