Stepwise development of simulink models using the refinement calculus framework

Authors:
Pontus Boström;Lionel Morel;Marina Waldén
Affiliations:
Åbo Akademi University, Department of Information Technologies, Turku Centre for Computer Science, Turku, Finland;INRIA, IRISA, Rennes Cedex, France;Åbo Akademi University, Department of Information Technologies, Turku Centre for Computer Science, Turku, Finland
Venue:
ICTAC'07 Proceedings of the 4th international conference on Theoretical aspects of computing
Year:
2007

Citing 12
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Abstract

Simulink is a popular tool for model-based development of control systems. However, due to the complexity caused by the increasing demand for sophisticated controllers, validation of Simulink models is becoming a more difficult task. To ensure correctness and reliability of large models, it is important to be able to reason about model parts and their interactions. This paper provides a definition of contracts and refinement using the action system formalism. Contracts enable abstract specifications of model parts, while refinement offers a framework to reason about correctness of implementation of contracts, as well as composition of model parts. An example is provided to illustrate system development using contracts and refinement.