Using UML Statecharts with Knowledge Logic Guards

Authors:
Doron Drusinsky;Man-Tak Shing
Affiliations:
Department of Computer Science, Naval Postgraduate School, Monterey, USA 93943;Department of Computer Science, Naval Postgraduate School, Monterey, USA 93943
Venue:
MODELS '09 Proceedings of the 12th International Conference on Model Driven Engineering Languages and Systems
Year:
2009

Citing 2
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Abstract

This paper describes an extension of UML statecharts, called K-statechart, suitable for the formal specification, modeling, and runtime verification of system behavior that depends on knowledge and belief in distributed multi-agent systems. With K-statecharts, statechart transition guards allow the use of knowledge-logic formulae, a form of modal logic used for reasoning about multi-agent systems. We demonstrate the proposed formalism using an example of a multi-agent system that consists of three traffic-light controllers. We also describe a newly developed K-statechart code generator that is part of the StateRover Eclipse-IDE plug-in for statechart-based modeling and formal specification.