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Reuse of safety certification artefacts across standards and domains: A systematic approach

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  • Ruiz, Alejandra
  • Juez, Garazi
  • Espinoza, Huáscar
  • de la Vara, Jose Luis
  • Larrucea, Xabier

Abstract

Reuse of systems and subsystem is a common practice in safety-critical systems engineering. Reuse can improve system development and assurance, and there are recommendations on reuse for some domains. Cross-domain reuse, in which a previously certified product typically needs to be assessed against different safety standards, has however received little attention. No guidance exists for this reuse scenario despite its relevance in industry, thus practitioners need new means to tackle it. This paper aims to fill this gap by presenting a systematic approach for reuse of safety certification artefacts across standards and domains. The approach is based on the analysis of the similarities and on the specification of maps between standards. These maps are used to determine the safety certification artefacts that can be reused from one domain to another and reuse consequences. The approach has been validated with practitioners in a case study on the reuse of an execution platform from railway to avionics. The results show that the approach can be effectively applied and that it can reduce the cost of safety certification across standards and domains. Therefore, the approach is a promising way of making cross-domain reuse more cost-effective in industry.

Suggested Citation

  • Ruiz, Alejandra & Juez, Garazi & Espinoza, Huáscar & de la Vara, Jose Luis & Larrucea, Xabier, 2017. "Reuse of safety certification artefacts across standards and domains: A systematic approach," Reliability Engineering and System Safety, Elsevier, vol. 158(C), pages 153-171.
  • Handle: RePEc:eee:reensy:v:158:y:2017:i:c:p:153-171
    DOI: 10.1016/j.ress.2016.08.017
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    Cited by:

    1. Chelouati, Mohammed & Boussif, Abderraouf & Beugin, Julie & El Koursi, El-Miloudi, 2023. "Graphical safety assurance case using Goal Structuring Notation (GSN) — challenges, opportunities and a framework for autonomous trains," Reliability Engineering and System Safety, Elsevier, vol. 230(C).
    2. Alanen, Jarmo & Linnosmaa, Joonas & Malm, Timo & Papakonstantinou, Nikolaos & Ahonen, Toni & Heikkilä, Eetu & Tiusanen, Risto, 2022. "Hybrid ontology for safety, security, and dependability risk assessments and Security Threat Analysis (STA) method for industrial control systems," Reliability Engineering and System Safety, Elsevier, vol. 220(C).
    3. Meng, Huixing & Kloul, Leïla & Rauzy, Antoine, 2018. "Modeling patterns for reliability assessment of safety instrumented systems," Reliability Engineering and System Safety, Elsevier, vol. 180(C), pages 111-123.

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