Model-Based Safety Analysis - ALL4TEC

What is MBSA?

MBSAModel Based Safety Analysis (MBSA) aims to provide a model-based approach to automatically perform classical safety analyses such as Fault Tree Analysis (FTA) or Failures Modes, Effects and Criticality Analysis (FMECA).

Model Based Safety Analysis is a sub discipline of Model-Driven Engineering (MDE) which is a methodology basing system development on the creation, the refinement and the integration of models.

In addition to unification and at least partial automation objectives, all MBSA techniques seek tighter integration between safety analysis and design artefacts (models). Such integration ranges from improving traceability by introducing the notion of components to performing safety analysis on the basis of the design models themselves. MBSA was also created to increase productivity by introducing collaborative work between the design team and the safety team working on a same project.

Since MBSA emergence in 1990s, we can notice not only the development of numerous methods, techniques and tools, but also the gradual adoption of MBSA techniques by industry and its acceptance by regulators. That is why all ALL4TEC safety studies are now systematically based on models.

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