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Typical engineering and verification workflows for safety-relevant systems are performed with many different tools. For such workflows safety standards like the automotive ISO 26262 require traceability of all V&V-related work products. Therefore, efficient tool-integration, while ensuring all traceability needs for functional safety, is a highly relevant topic for industrial domains. Recent research...
We coalgebraically define a unified semantics for systems with an emphasis on the notion of time. Such a semantics intends to formalize system that underly system engineering (i.e. the discipline focusing on the integration mastery of large industrial systems).Moreover, we give a formal meaning to another important aspect of systems engineering: system requirements, constraining the expected properties...
In this paper, we address the issue of security risk assessment of systems that are designed by using SysML activity diagrams. For this purpose, we develop a practical framework to enable security requirements specification and security level evaluation. First, we rely on the standard catalogue of attacks to build a library of attacks patterns. Then, we model the extracted patterns as SysML activity...
Often designated as a UML profile for system modeling, SysML brings some changes that enhance the possibilities of describing systems specificities, but raise new criticisms on the language interpretation. In the last SysML standard document, the new concepts are presented in an informal manner and the revised ones are often described in a way that makes difficult the appreciation of the changes....
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