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In this paper, we focus on the integration of formal approaches for automatic FT generation within a MBSE workflow. We describe a safety modelling framework for FT generation that leverages features of SysML modelling language and includes facilities to make semantic connections with formal verification and FTA tools. MBSE methods and tools (meta-models, profiles, model transformation) are fully exploited to propose a seamless workflow customizable for safety engineers. We illustrate the FT generation and analysis flow associated with the proposed framework using the example of the train detection system and the AltaRica formal environment.

Model-based System Engineering for Fault Tree Generation and Analysis