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Level control of cascade coupled flotation tanks
Luleå tekniska universitet.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2002 (English)In: Elsevier IFAC Publications / IFAC Proceedings series, ISSN 1474-6670, Vol. 33, no 22, 185-190 p.Article in journal (Refereed) Published
Abstract [en]

At the Boliden's concentrator in Aitik, bulk flotation constitutes an important part of the process for extracting valuable minerals from the ore. A series of flotation cells consists of five tanks connected in cascade with control valves between the tanks and a slowly varying flow of mineral slurry into the first tank. This paper deals with a comparative study of control strategies for level control in a flotation series in Aitik. The aim is to show the potential performance improvements taking into account couplings between the process state variables. Two control strategies are considered; a decoupling controller and a linear quadratic (LQ) optimal multivariable controller. Experiments with both structures show a significant enhancement of the level control performance as compared to the original SISO design

Place, publisher, year, edition, pages
2002. Vol. 33, no 22, 185-190 p.
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63548DOI: 10.1016/S1474-6670(17)36989-6OAI: oai:DiVA.org:ltu-63548DiVA: diva2:1098803
Conference
IFAC Workshop on Future Trends in Automation of the Mineral and Metal Processing (MM 2000), Finland, 22-24 August 2000
Note

Validerad; 2002; 20080602 (cira)

Available from: 2017-05-26 Created: 2017-05-26 Last updated: 2017-05-26Bibliographically approved

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Citation style
  • apa
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