A necessary and sufficient condition for total observability of discrete-time linear time-varying systems

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial
dc.contributor	Universitat Politècnica de Catalunya. SAC - Sistemes Avançats de Control
dc.contributor.author	Witczak, Marcin
dc.contributor.author	Puig Cayuela, Vicenç
dc.contributor.author	Rotondo, Damiano
dc.contributor.author	Witczak, Piotr
dc.date	2017
dc.identifier.citation	Witczak, M., Puig, V., Rotondo, D., Witczak, P. A necessary and sufficient condition for total observability of discrete-time linear time-varying systems. A: World Congress of the International Federation of Automatic Control. "IFAC 2017: 20th World Congress of the International Federation of Automatic Control: Toulouse, France: July 9-14, 2017: proceedings book". Toulouse: 2017, p. 729-734.
dc.identifier.citation	https://doi.org/10.1016/j.ifacol.2017.08.232
dc.identifier.uri	http://hdl.handle.net/2117/113125
dc.language.iso	eng
dc.relation	https://www.sciencedirect.com/science/article/pii/S240589631730544X
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Informàtica::Automàtica i control
dc.subject	System analysis
dc.subject	Nonlinear systems--Mathematical models
dc.subject	Linear time-varying systems
dc.subject	observability
dc.subject	block P-matrices
dc.subject	discrete-time systems
dc.subject	Anàlisi de sistemes
dc.subject	Sistemes de temps discret
dc.subject	Sistemes lineals
dc.title	A necessary and sufficient condition for total observability of discrete-time linear time-varying systems
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	This paper deals with the total observability problem of discrete-time linear time-varying systems. In particular, a review and suitable analysis of the state-of-the-art of this emerging area are provided. Subsequently, the total observability problem of discrete-time linear time-varying systems is transformed into the one of checking the rank of a convex sum of matrices. As a result, a new total observability test is proposed, along with a suitable computational strategy. The final part of this paper shows examples regarding observability analysis that clearly exhibit the benefits of using the proposed approach.
dc.description.abstract	Peer Reviewed

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