2009 | OriginalPaper | Buchkapitel
A Compositional Approach on Modal Specifications for Timed Systems
verfasst von : Nathalie Bertrand, Axel Legay, Sophie Pinchinat, Jean-Baptiste Raclet
Erschienen in: Formal Methods and Software Engineering
Verlag: Springer Berlin Heidelberg
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On the one hand, modal specifications are classic, convenient, and expressive mathematical objects to represent interfaces of component-based systems. On the other hand, time is a crucial aspect of systems for practical applications, e.g. in the area of embedded systems. And yet, only few results exist on the design of timed component-based systems. In this paper, we propose a timed extension of modal specifications, together with fundamental operations (conjunction, product, and quotient) that enable to reason in a compositional way about timed system. The specifications are given as modal event-clock automata, where clock resets are easy to handle. We develop an entire theory that promotes efficient incremental design techniques.