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Sensitivity analysis of an LQ optimal multivariable controller for a fine coal injection vessel
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering.ORCID iD: 0000-0002-5888-8626
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2000 (English)In: IEEE transactions on industry applications, ISSN 0093-9994, E-ISSN 1939-9367, Vol. 36, no 3, 871-876 p.Article in journal (Refereed) Published
Abstract [en]

This paper deals with a sensitivity analysis of a linear quadratic optimal multivariable controller for a fine coal injection vessel used in the blast furnace process. The multivariable controller from a previous work is briefly presented and the closed-loop system is studied by means of a sensitivity analysis. Effects of disturbances and uncertainty on the closed-loop system are studied based on analysis of the singular values of the sensitivity and the complementary sensitivity functions, the relative gain array, and the minimized condition numbers. Finally, the sensitivity analysis is validated by the use of logged data from test operation at the coal injection plant at SSAB Tunnplat AB, Lulea, Sweden

Place, publisher, year, edition, pages
2000. Vol. 36, no 3, 871-876 p.
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-12077DOI: 10.1109/28.845064Local ID: b21b7d80-6457-11db-8cbe-000ea68e967bOAI: oai:DiVA.org:ltu-12077DiVA: diva2:985027
Note

Validerad; 2000; 20061025 (ysko)

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

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fulltext(164 kB)36 downloads
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