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Practical advantages of inverted decoupling

Publiceringsår: 2011
Språk: Engelska
Sidor: 977-992
Publikation/Tidskrift/Serie: Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control
Volym: 225
Nummer: 7
Dokumenttyp: Artikel i tidskrift


This paper presents a study of the main advantages of inverted decoupling in 2×2 processes. Two simulation examples and an experimental process are used to show these advantages in comparison with simplified decoupling. The study focuses on the following practical advantages: the apparent process is the same as that obtained if one loop changes to manual; bumpless transfer and anti-windup are achieved easily using a feed-forward input in the controllers; and abnormalities of secondary loops do not affect the opposite loop. Because of this, inverted decoupling may be a good and easy way to improve the performance of industrial TITO (two inputs and two outputs) processes with interaction problems (when it can be applied).


  • Control Engineering
  • inverted decoupling
  • decoupling control
  • simplified decoupling
  • bumpless transfer
  • proportional-integral-derivative controller
  • anti-windup
  • TITO processes


  • PID
  • LCCC-lup-obsolete

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