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Explicit Model Predictive Control for Linear Parameter-Varying Systems
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
ETH Zürich, Switzerland.
ETH Zürich, Switzerland.
2008 (English)In: Proceedings of the 47th IEEE Conference on Decision and Control, 2008, 3848-3853 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we demonstrate how one can reformulate the MPC problem for LPV systems to a series of mpLPs by a closed-loop minimax MPC algorithm based on dynamic programming. A relaxation technique is employed to reformulate constraints which are polynomial in the scheduling parameters to parameter-independent constraints. The algorithm allows the computation of explicit control laws for linear parameter-varying systems and enables the controller to exploit information about the scheduling parameter. This improves the control performance compared to a standard robust approach where no uncertainty knowledge is used, while keeping the benefits of fast online computations. The off-line computational burden is similar to what is required for computing explicit control laws for uncertain or nominal LTI systems. The proposed control strategy is applied to an example to compare the complexity of the resulting explicit control law to the robust controller.

Place, publisher, year, edition, pages
2008. 3848-3853 p.
Keyword [en]
Closed loop system, Discrete time systems, Dynamic programming, Linear systems, Matrix algrebra
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-21980DOI: 10.1109/CDC.2008.4738798ISBN: 978-1-4244-3124-3 (print)ISBN: 978-1-4244-3123-6 (print)OAI: oai:DiVA.org:liu-21980DiVA: diva2:242184
Conference
47th IEEE Conference on Decision and Control, Cancun, Mexico, December, 2008
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2013-07-06

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Löfberg, Johan

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf