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Design and operation of fast model predictive controller for stabilization of magnetohydrodynamic modes in a fusion device
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.
2016 (English)In: Proceedings of the IEEE Conference on Decision and Control, IEEE conference proceedings, 2016, 7347-7352 p.Conference paper (Refereed)Text
Abstract [en]

Magnetic confinement fusion (MCF) devices suffer from magnetohydrodynamic (MHD) instabilities. A particular unstable mode, known as the resistive wall mode (RWM), is treated in this work. The RWM perturbs the plasma globally and can degrade the confinement or even terminate the plasma if not stabilized. This paper presents a control design approach to stabilize the RWM in the reversed-field pinch (RFP). The approach consists of: closed-loop system identification of the RFP, design of a fast model predictive controller and experimental validation of the controller. Experimental results shows that the proposed controller manages to stabilize the RWM in plasma.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016. 7347-7352 p.
Keyword [en]
Coils, Control design, Magnetohydrodynamic power generation, Magnetohydrodynamics, Plasmas, Predictive models, Yttrium
National Category
Fusion, Plasma and Space Physics Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-188273DOI: 10.1109/CDC.2015.7403379ScopusID: 2-s2.0-84962016878ISBN: 9781479978861OAI: oai:DiVA.org:kth-188273DiVA: diva2:937487
Conference
54th IEEE Conference on Decision and Control, CDC 2015, 15 December 2015 through 18 December 2015
Note

QC 20160615

Available from: 2016-06-15 Created: 2016-06-09 Last updated: 2016-06-15Bibliographically approved

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Publisher's full textScopushttp://cdc2015.ieeecss.org/

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