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Foam level control in a water model of the LD converter process
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-5888-8626
Department of Metallurgy, Royal Institute of Technology.
Kungliga tekniska högskolan, KTH.
2001 (English)In: Elsevier IFAC Publications / IFAC Proceedings series, ISSN 1474-6670, Vol. 34, no 18, 273-278 p.Article in journal (Refereed) Published
Abstract [en]

This paper deals with estimation and control of foam level in dynamic foaming. An improved foam level estimation methodology from a microphone signal and its automatic calibration is presented. The dynamical reaction of the foam level on air lance movements is modelled using system identification. Based on the resulting mathematical model, a controller for foam level stabilisation is designed and applied to a water model, representing the LD converter process. It is shown that the foam level can be controlled using a microphone as the measurement device and air lance movement as the actuator.

Place, publisher, year, edition, pages
Oxford: Published for the International Federation of Automatic Control by Pergamon , 2001. Vol. 34, no 18, 273-278 p.
Research subject
Control Engineering; Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63479DOI: 10.1016/S1474-6670(17)33219-6ISBN: 0-08-043692-7 (print)OAI: oai:DiVA.org:ltu-63479DiVA: diva2:1097093
Conference
IFAC Symposium on Automation in Mining, Mineral and Metal Processing : 04/09/2001 - 06/09/2001
Available from: 2017-05-22 Created: 2017-05-22 Last updated: 2017-05-22Bibliographically approved

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