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Improved web break strategy using a new approach for steam pressure control in paper machines

In English

Författare

Summary, in English

This paper presents a new strategy for steam pressure control during web breaks in the paper machine. The aim was to restart paper production with the same drying properties of the cylinder as before the break. A detailed physical dynamic model of the drying cylinder has been developed. The accuracy of the model has been verified through experiments made at the M-real paper mill in Husum, Sweden. Verifications are made both during normal operation and during web breaks. The dynamic model has been reduced in order to derive simple transfer functions which were used to find the optimal steam pressure trajectory during web breaks. The resulting strategy has been tested on a paper machine with good results and it has been well received at the mill. (C) 2008 Elsevier Ltd. All rights reserved.

Publiceringsår

2008

Språk

Engelska

Sidor

1151-1160

Publikation/Tidskrift/Serie

Control Engineering Practice

Volym

16

Issue

10

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Control Engineering

Nyckelord

  • physical modelling
  • paper machine
  • steam pressure control

Status

Published

Forskningsgrupp

  • LCCC

ISBN/ISSN/Övrigt

  • ISSN: 0967-0661