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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
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Kungliga tekniska högskolan, KTH.
2003 (English)In: Control Engineering Practice, ISSN 0967-0661, E-ISSN 1873-6939, Vol. 11, no 1, p. 49-56Article 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
2003. Vol. 11, no 1, p. 49-56
National Category
Control Engineering Other Civil Engineering
Research subject
Control Engineering; Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-5721DOI: 10.1016/S0967-0661(02)00178-8Local ID: 3e5d6460-6454-11db-8cbe-000ea68e967bOAI: oai:DiVA.org:ltu-5721DiVA: diva2:978596
Note

Validerad; 2003; 20061025 (ysko)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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