State and fault estimation in singular delayed LPV 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	Hassanabadi, Amir Hossein
dc.contributor.author	Shafiee, Masoud
dc.contributor.author	Puig Cayuela, Vicenç
dc.date	2015
dc.identifier.citation	Hassanabadi, A., Shafiee, M., Puig, V. State and fault estimation in singular delayed LPV systems. A: Iranian Conference Electrical Engineering. "23rd Iranian Conference on Electrical Engineering (ICEE), 2015: 10-14 May 2015, Sharif University of Technology, Tehran, Iran". Tehran: Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 1030-1035.
dc.identifier.citation	978-1-4799-1973-4
dc.identifier.citation	10.1109/IranianCEE.2015.7146362
dc.identifier.uri	http://hdl.handle.net/2117/97754
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
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
dc.subject	Actuators
dc.subject	Actuators
dc.subject	Convex optimization
dc.subject	Robustness (control systems)
dc.subject	Attenuation levels
dc.subject	Bounded real lemma
dc.subject	Design procedure
dc.subject	Fault estimation
dc.subject	LPV systems
dc.subject	Optimization framework
dc.subject	Unknown input observer
dc.subject	Unknown time-varying delays
dc.subject	Actuadors
dc.title	State and fault estimation in singular delayed LPV systems
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	In this paper, the state and fault estimation problem of singular delayed LPV systems in the presence of disturbances and actuator faults is considered. The system under consideration has multiple unknown time varying delays. For both state and actuator fault estimation, an Unknown Input Observer (UIO) is proposed. Robustness to unknown inputs and uncertainty induced by unknown delays is formulated by means of the Bounded Real Lemma (BRL) for delayed LPV systems. UIO design procedure with a certain level of unknown input attenuation is formulated using LMIs. Also the best achievable attenuation level is computed in a convex optimization framework with LMI constraints. The efficiency of the proposed approach is illustrated via a numerical example.

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