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Towards proper tool support for component-oriented and model-based development of safety critical systems

: Velasco, David S.

Kaiserslautern, 2016, 10 S.
IESE-Report, 010.16/E
Reportnr.: 010.16/E
Fraunhofer IESE ()
safety analysis; safety engineering; Failure Mode and Effects Analysis (FMEA); failure analysis; safety critical system; Component Fault Tree (CFT); markov processes

We present in this work the Open Safety Analysis Model (OSAM) as the pillar of our approach for Integrated Safety Engineering (I-SafE) to perform heterogeneous safety analysis in a component-oriented fashion and as the core methodology to be implemented in tools for the development of safety related systems. The approach integrate several failure modeling techniques (e.g., Component Fault Trees, Failure Modes and Effects Analysis, and Markov chains) within one model. This approach semi-formally defines a basis for reuse with the help of UML models – by associating components and their interfaces with failure models and their failure modes, respectively.