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10th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA'05), Catania : Italie (2005)

Verification of a timed multitask system with UPPAAL

Houda Bel Mokadem 1, Béatrice Berard 2, Vincent Gourcuff 3, Jean-Marc Roussel 3, Olivier De Smet 3

Programme Pluri-Formations (PPF 2002-2005) Vérification des systèmes multi-tâches temps-réel Collaboration(s)

(09/2005)

Since it is an important issue for users and system designers, verification of PLC programs has already been studied in various contexts, mostly for untimed programs. More recently, timed features were introduced and modeled with timed automata. In this case study, we consider a part of the so-called MSS (Mecatronic Standard System) platform from Bosh Group, a framework where time aspects are combined with multitask programming. Our model for station 2 of the MSS platform is a network of timed automata, including automata for the operative part and for the control program, written in Ladder Diagram. This model is constrained with atomicity hypotheses concerning program execution and model checking of a reaction time property is performed with the tool UPPAAL.

1 :	Laboratoire Spécification et Vérification [Cachan] (LSV)
	CNRS : UMR8643 – INRIA – École normale supérieure de Cachan - ENS Cachan
2 :	Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision (LAMSADE)
	CNRS : UMR7024 – Université Paris IX - Paris Dauphine
3 :	Laboratoire Universitaire de Recherche en Production Automatisée (LURPA)
	École normale supérieure de Cachan - ENS Cachan – Université Paris XI - Paris Sud

Domaine

:

Sciences de l'ingénieur/Automatique / Robotique

Mots Clés : Programmable Logic Controllers – Timed Automata – Model Checking

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Contributeur : Vincent Gourcuff <>

Soumis le : Vendredi 28 Septembre 2007, 16:02:48

Dernière modification le : Mardi 25 Novembre 2008, 20:15:08