Abstract
The increasing interactions between huge amount of software and hardware subsystem (hydraulics, mechanics, electronics, etc.) lead to a new kind of complexity that is difficult to manage during the validation of safety-critical and complex embedded systems. This paper introduces a formal SysML-based framework to combine both discrete and continuous simulation to validate physical systems at the early stage of development. This original modelling framework takes as input a SysML model annotated with Modelica code and OCL constraints. Such a model provides a precise and unambiguous description of the designed system and its environment, involving both discrete and continuous features. This formal framework enables to automatically generate Modelica code to perform real-time simulation. On the basis of a constraint system derived from the discrete SysML/OCL modelling artefacts, it also makes it possible to automatically generate black-box test cases that can be used to validate the simulated system as well as the corresponding physical device. This framework has been validated by conclusive experiments conducted to prototype a new energy manager system for aeronautics.
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Gauthier, JM., Bouquet, F., Hammad, A., Peureux, F. (2015). A SysML Formal Framework to Combine Discrete and Continuous Simulation for Testing. In: Butler, M., Conchon, S., Zaïdi, F. (eds) Formal Methods and Software Engineering. ICFEM 2015. Lecture Notes in Computer Science(), vol 9407. Springer, Cham. https://doi.org/10.1007/978-3-319-25423-4_9
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DOI: https://doi.org/10.1007/978-3-319-25423-4_9
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