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On Control Structure Design for a Walking Beam Furnace
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0001-6605-1204
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-9992-7791
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-0079-9049
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0003-0126-1897
2017 (engelsk)Inngår i: 2017 25th Mediterranean Conference on Control and Automation, MED 2017, Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2017, s. 1355-1360, artikkel-id 7984307Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The aim of this article is to introduce a novel sparse controller design for the temperature control of an experimental walking beam furnace in steel industry. Adequate tracking of temperature references is essential for the quality of the heated slabs. However, the design of the temperature control is hindered by the multivariable (non-square) dynamic behavior of the furnace. These dynamics include significant loop interactions and time delays. Furthermore, a novel data-driven model, based on real life experimental data that relies on a subspace state representation in a closed loop approach is introduced. In the sequel, the derived model is utilized to investigate the controller's structure. By applying the relative gain array approach a decentralized feedback controller is designed. However, in spite of the optimal and sparse design of the controller, there exists interaction between loops. By analyzing the interaction between the inputs-outputs with the Σ2 Gramian-based interaction methodology, a decoupled multi-variable controller is implied. The simulation result, based on the experimental modeling of the furnace, shows that the controller can successfully decrease the interaction between the loops and track the reference temperature set-points.

sted, utgiver, år, opplag, sider
Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2017. s. 1355-1360, artikkel-id 7984307
Serie
Mediterranean Conference on Control and Automation, ISSN 2325-369X
Emneord [en]
Control Structure Design, Interaction Measures, Decentralized Control, Walking Beam Furnace
HSV kategori
Forskningsprogram
Reglerteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-63041DOI: 10.1109/MED.2017.7984307ISI: 000426926300222Scopus ID: 2-s2.0-85027842203ISBN: 978-1-5090-4533-4 (digital)OAI: oai:DiVA.org:ltu-63041DiVA, id: diva2:1088889
Konferanse
25th Mediterranean Conference on Control and Automation, MED 2017, University of Malta, Valletta, Malta, 3-6 July 2017
Prosjekter
Integrated Process Control based on Distributed In-Situ Sensors into Raw Material and Energy Feedstock, DISIRE
Forskningsfinansiär
EU, Horizon 2020, 636834Tilgjengelig fra: 2017-04-17 Laget: 2017-04-17 Sist oppdatert: 2022-10-28bibliografisk kontrollert

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Jafari, HedyehCastaño Arranz, MiguelGustafsson, ThomasNikolakopoulos, George

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