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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.
Kungliga tekniska högskolan, KTH.
2001 (English)In: Automation in mining, mineral, and metal processing 2001: a proceedings volume from the 10th IFAC symposium, Tokyo, Japan, 4 - 6 September 2001 / [ed] Mituhiko Araki, Oxford: Published for the International Federation of Automatic Control by Pergamon , 2001Conference paper (Refereed)
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.
Research subject
Control Engineering; Mining and Rock Engineering
URN: urn:nbn:se:ltu:diva-30875Local ID: 4dba26b0-6453-11db-8cbe-000ea68e967bISBN: 0-08-043692-7OAI: diva2:1004104
IFAC Symposium on Automation in Mining, Mineral and Metal Processing : 04/09/2001 - 06/09/2001
Godkänd; 2001; 20061025 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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