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Safety analysis is a significant aspect of safety critical embedded systems. In this paper, an architecture-based hazard analysis method is presented to support safety assessment for Architecture Analysis and Design Language (AADL) model of embedded systems during early development phases. For further improving the hazard analytical ability of AADL, Hazard Model Annex is created. In order to improve...
This paper focuses on safety model of embedded system architecture using AADL (Architecture Analysis and Design Language). It achieves both the foundation of fault model annex to specify safety requirements and the transformation from AADL safety model to DSPN (Deterministic Stochastic Petri Net) model. Then AADL architecture safety computation model can be accessed by the means of numerical simulation...
This paper focuses on safety model of embedded system architecture using AADL (Architecture Analysis and Design Language). For further integration of safety analysis and system modeling, we propose a new approach to evaluate and assess the safety property of embedded systems quantitatively. We establish the safety model of embedded systems by extending AADL with fault model, identify causal relationships...
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