Abstract
In system design, an architecture specification or model serves, among other purposes, as a repository to share knowledge about the system being designed. Such a repository enables automatic generation of analytical models for different aspects relevant to system design (timing, reliability, security, etc.). The Architecture Analysis and Design Language (AADL) is a standard proposed by SAE to express architecture specifications and share knowledge between the different stakeholders about the system being designed. To support unambiguous reasoning, formal verification, high-fidelity simulation of architecture specifications in a model-based AADL design workflow, we have defined a formal semantics for the behavior specification of the AADL, the presentation of this semantics is the aim of this chapter.
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Notes
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Although BA supports other types (strings, enumerations, records, arrays) our formalization focuses on numbers and Booleans without loss of generality.
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The grammar for behavior_condition, here, is slightly simplified from that in the BA standard.
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Polarsys Industry Working Group, Eclipse project POP, http://www.polarsys.org/projects/polarsys.pop.
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Acknowledgements
This work was partly funded by Toyota InfoTechnology Center (ITC) and by INRIA D2T’s standardisation support program. The authors wish to thank Pierre Dissaux, and all the SAE sub-committee on the AADL for valuable comments on the model and method presented in this work.
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Besnard, L. et al. (2017). Formal Semantics of Behavior Specifications in the Architecture Analysis and Design Language Standard. In: Nakajima, S., Talpin, JP., Toyoshima, M., Yu, H. (eds) Cyber-Physical System Design from an Architecture Analysis Viewpoint. Springer, Singapore. https://doi.org/10.1007/978-981-10-4436-6_3
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