Use Case-based Fault Tree Analysis of Safety-Related Embedded Systems

E. Balz and J. Goll (Germany)


Safety critical systems, Fault Tree Analysis


In this paper a use case-based approach for performing the safety analyses of safety related systems will be presented, which makes it possible to analyse complex systems in a straightforward way and helps avoiding mistakes during safety analyses. The safety analyses "Use Case-Based Fault Tree Analysis" and "Use Case-Based Failure Mode and Effects Analysis" are integrated into the context of use case-based system analysis and system design which allows developing systems with system parts of different safety integrity levels in a consistent way. An example will show how a qualitative Use Case based Fault Tree Analysis is integrated into the use case based development of a safety related automotive system.

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