Freeness soft sensor in tmprefining

Marko Loisa, Henri Nybom, Juha Kortelainen, Jarmo Jakobsson, Kimmo Tukiainen

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

1 Citation (Scopus)

Abstract

A study of the refined pulp quality control was started in 1998 at UPM-Kymmene Kaipola paper mill in Finland. Studied refiners were Metso Paper SD-65 including both main and reject refining. The comparison between relevant operation signals and process modeling resulted into a soft sensor for refined pulp freeness, which uses refiner specific energy consumption and segment vibration as measurements. Automatic model parameter adjustment and freeness quality control for the main line refining were developed in 2001. Alternative methods to measure the refiner segment vibration were studied also. The results of this study, the developed soft sensor system and the control benefits are presented in this paper.

Original languageEnglish
Title of host publicationControl Systems 2004 Conference, Preprints
Pages227-231
Number of pages5
Publication statusPublished - 18 Oct 2004
MoE publication typeNot Eligible
EventControl Systems 2004 Conference - Quebec City, Canada
Duration: 14 Jun 200418 Jun 2004

Conference

ConferenceControl Systems 2004 Conference
CountryCanada
CityQuebec City
Period14/06/0418/06/04

Fingerprint

Refining
Pulp
Quality control
Sensors
Energy utilization

Keywords

  • Freeness (CSF)
  • Quality control
  • Soft sensor
  • TMP
  • Vibration measurements

Cite this

Loisa, M., Nybom, H., Kortelainen, J., Jakobsson, J., & Tukiainen, K. (2004). Freeness soft sensor in tmprefining. In Control Systems 2004 Conference, Preprints (pp. 227-231)
Loisa, Marko ; Nybom, Henri ; Kortelainen, Juha ; Jakobsson, Jarmo ; Tukiainen, Kimmo. / Freeness soft sensor in tmprefining. Control Systems 2004 Conference, Preprints. 2004. pp. 227-231
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Loisa, M, Nybom, H, Kortelainen, J, Jakobsson, J & Tukiainen, K 2004, Freeness soft sensor in tmprefining. in Control Systems 2004 Conference, Preprints. pp. 227-231, Control Systems 2004 Conference, Quebec City, Canada, 14/06/04.

Freeness soft sensor in tmprefining. / Loisa, Marko; Nybom, Henri; Kortelainen, Juha; Jakobsson, Jarmo; Tukiainen, Kimmo.

Control Systems 2004 Conference, Preprints. 2004. p. 227-231.

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

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AB - A study of the refined pulp quality control was started in 1998 at UPM-Kymmene Kaipola paper mill in Finland. Studied refiners were Metso Paper SD-65 including both main and reject refining. The comparison between relevant operation signals and process modeling resulted into a soft sensor for refined pulp freeness, which uses refiner specific energy consumption and segment vibration as measurements. Automatic model parameter adjustment and freeness quality control for the main line refining were developed in 2001. Alternative methods to measure the refiner segment vibration were studied also. The results of this study, the developed soft sensor system and the control benefits are presented in this paper.

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Loisa M, Nybom H, Kortelainen J, Jakobsson J, Tukiainen K. Freeness soft sensor in tmprefining. In Control Systems 2004 Conference, Preprints. 2004. p. 227-231