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Publication type: Conference paper
Type of review: Peer review (publication)
Title: Tool qualification considerations for tools supporting STPA
Authors: Krauss, Sven Stefan
Rejzek, Martin
Hilbes, Christian
DOI: 10.21256/zhaw-4914
Published in: Procedia Engineering
Volume(Issue): 128
Page(s): 15
Pages to: 24
Conference details: 3rd European STAMP Workshop, Amsterdam, Netherlands, 4-6 October 2015
Issue Date: 2015
Publisher / Ed. Institution: Elsevier
ISSN: 1877-7058
Language: English
Subjects: System-Theoretic Process Analysis; Dependable software; SAHRA; Multi domain tool qualification; Tool validation; Toolchain analysis; Cyber physical systems; Offline support tools
Subject (DDC): 005: Computer programming, programs and data
Abstract: We evaluated tool qualification requirements for hazard and risk analysis software tools, particularly for tools supporting System-Theoretic Process Analysis (STPA), and compared the tool qualification approaches of safety standards IEC 61508, EN 50128, DO-178C/DO-330 and ISO 26262. Our software tool SAHRA integrates STPA in an existing engineering toolchain by providing an extension for the UML/SysML modeling tool Sparx Systems Enterprise Architect. We found that the qualification of this tool according to the mentioned safety standards was not straightforward and required further analysis. Therefore, we analyzed the tool risks and found that those depend on many factors such as process risks, risks from tool errors, tool integration risks and operational scenarios regarding the use of the tool in the development lifecycle. We selected four operational scenarios for tools supporting STPA to evaluate tool qualification requirements. After concluding that a tool qualification is required, we used a multi-domain tool qualification development lifecycle guided by DO-330 for SAHRA.
Fulltext version: Published version
License (according to publishing contract): CC BY-NC-ND 4.0: Attribution - Non commercial - No derivatives 4.0 International
Departement: School of Engineering
Organisational Unit: Institute of Applied Mathematics and Physics (IAMP)
Appears in collections:Publikationen School of Engineering

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Krauss, S. S., Rejzek, M., & Hilbes, C. (2015). Tool qualification considerations for tools supporting STPA [Conference paper]. Procedia Engineering, 128, 15–24.
Krauss, S.S., Rejzek, M. and Hilbes, C. (2015) ‘Tool qualification considerations for tools supporting STPA’, in Procedia Engineering. Elsevier, pp. 15–24. Available at:
S. S. Krauss, M. Rejzek, and C. Hilbes, “Tool qualification considerations for tools supporting STPA,” in Procedia Engineering, 2015, vol. 128, pp. 15–24. doi: 10.21256/zhaw-4914.
KRAUSS, Sven Stefan, Martin REJZEK und Christian HILBES, 2015. Tool qualification considerations for tools supporting STPA. In: Procedia Engineering. Conference paper. Elsevier. 2015. S. 15–24
Krauss, Sven Stefan, Martin Rejzek, and Christian Hilbes. 2015. “Tool Qualification Considerations for Tools Supporting STPA.” Conference paper. In Procedia Engineering, 128:15–24. Elsevier.
Krauss, Sven Stefan, et al. “Tool Qualification Considerations for Tools Supporting STPA.” Procedia Engineering, vol. 128, Elsevier, 2015, pp. 15–24,

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