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A Frame Work for Process State Transitions: Grade Changes

Publiceringsår: 2002
Språk: Engelska
Sidor: 370-375
Publikation/Tidskrift/Serie: Preprints Reglermöte 2002
Dokumenttyp: Konferensbidrag
Förlag: Reglerteknik och kommunikationssystem, Linköpings Universitet


In modern chemical process industry, process state transitions, orgrade changes, are common operations. For example, for a papermachine, a common operation is to change the surface weight of theproduced paper. In this case it is of importance that the transitionto the new grade is done fast, but without a breakdown asa result. This paper addresses this problem by combining optimizationtechniques and a tool for sequential control, JGrafchart. The paperalso contains an example, where the proposed method has been appliedto the quadruple-tank process.



  • Technology and Engineering
  • Quadruple-Tank
  • Grade Change
  • Sequential Control
  • Grafchart
  • MPC



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