A Hybrid Model of Connectors in Cyber-Physical Systems
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- Chen X., Sun J., Sun M. (2014) A Hybrid Model of Connectors in Cyber-Physical Systems. In: Merz S., Pang J. (eds) Formal Methods and Software Engineering. ICFEM 2014. Lecture Notes in Computer Science, vol 8829. Springer, Cham
Compositional coordination models and languages play an important role in cyber-physical systems (CPSs). In this paper, we introduce a formal model for describing hybrid behaviors of connectors in CPSs. We extend the constraint automata model, which is used as the semantic model for the exogenous channel-based coordination language Reo, to capture the dynamic behavior of connectors in CPSs where the discrete and continuous dynamics co-exist and interact with each other. In addition to the formalism, we also provide a theoretical compositional approach for constructing the product automata for a Reo circuit, which is typically obtained by composing several primitive connectors in Reo.
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