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Balanced truncation for linear switched systems
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Document type :
Article dans une revue scientifique
DOI :
10.1007/s10444-018-9610-z
Title :
Balanced truncation for linear switched systems
Author(s) :
Gosea, Ion Victor [Auteur]
Max Planck Institute for Dynamics of Complex Technical Systems
Petreczky, Mihaly [Auteur] refId
Systèmes Non Linéaires et à Retards [SyNeR]
Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 [CRIStAL]
Antoulas, Athanasios C. [Auteur]
Rice University [Houston]
Max Planck Institute for Dynamics of Complex Technical Systems
Fiter, Christophe [Auteur] refId
Systèmes Non Linéaires et à Retards [SyNeR]
Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 [CRIStAL]
Journal title :
Advances in Computational Mathematics
Publisher :
Springer Verlag
Publication date :
2018
ISSN :
1019-7168
HAL domain(s) :
Informatique [cs]/Automatique
English abstract : [en]
We propose a model order reduction approach for balanced truncation of linear switchedsystems. Such systems switch among a finite number of linear subsystems or modes.We compute pairs of controllability and observability ...
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We propose a model order reduction approach for balanced truncation of linear switchedsystems. Such systems switch among a finite number of linear subsystems or modes.We compute pairs of controllability and observability Gramians corresponding to each activediscrete mode by solving systems of coupled Lyapunov equations. Depending on the type,each such Gramian corresponds to the energy associated to all possible switching scenariosthat start or, respectively end, in a particular operational mode.In order to guarantee that hard to control and hard to observe states are simultaneouslyeliminated, we construct a transformed system, whose Gramians are equal and diagonal.Then, by truncation, directly construct reduced order models. One can show that thesemodels preserve some properties of the original model, such as stability and that it is possibleto obtain error bounds relating the observed output, the control input and the entries of thediagonal Gramians.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Source :
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