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Automated failure propagation using inner port dependency traces

  • Safety assurance is a major challenge in the design of complex embedded and Cyber-physical Systems. Especially, changes and adoptions during the design or run-time of an embedded system invalidate former safety analyses and require an adaptation of the system's safety analysis models. In this paper, we present a methodology to fill up empty safety analysis artifacts in component fault trees using so-called inner port dependency traces to describe failure propagation. Thus, enabling a imprecise but rapid safety analysis of an entire system at early development stages or during system run-time for the automated certification of Cyber-physical Systems. We evaluate our approach using case study from the automotive domain.

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Metadaten
Author:Kai Höfig, Marc Zeller, Konstantin Schorp
Parent Title (English):2015 11th International ACM SIGSOFT Conference on Quality of Software Architectures (QoSA), Mai 2015, Montreal, QC, Canada.
Document Type:Conference Proceeding
Language:English
Publication Year:2015
Tag:Cyber-physical Systems; Failure propagation; Port dependency traces; Software safety
First Page:123
Last Page:128
faculties / departments:Fakultät für Informatik
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 000 Informatik, Informationswissenschaft, allgemeine Werke