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Model reduction of switched affine systems
Politecnico di Milano, Italy.ORCID iD: 0000-0002-1364-8127
Politecnico di Milano, Italy.
2016 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 70, 57-65 p.Article in journal (Refereed) Published
Abstract [en]

This paper addresses model reduction and extends balanced truncation to the class of switched affine systems with endogenous switching. The switched affine system is rewritten as a switched linear one with state resets that account for the affine terms. Balanced truncation can then be applied to each mode dynamics, independently. As a result, different reduced state vectors are associated with the different modes, and reset maps are here appropriately redefined so as to account and compensate for this mismatch, possibly preserving the continuity of the output. The overall behavior of the reduced switched system is determined by both the selected reduction per mode and the adopted reset maps. In this paper, we consider a stochastic setting and propose a randomized method for the selection of the reduced order. The performance of the proposed approach is illustrated through a multi-room temperature control example.

Place, publisher, year, edition, pages
United States: Elsevier , 2016. Vol. 70, 57-65 p.
Keyword [en]
Model order reduction, Switched systems, Randomized algorithms
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-33788DOI: 10.1016/j.automatica.2016.03.019ISI: 000378182700007ScopusID: 2-s2.0-84963705816OAI: oai:DiVA.org:mdh-33788DiVA: diva2:1048549
Available from: 2016-11-21 Created: 2016-11-21 Last updated: 2016-12-02Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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