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http://dx.doi.org/10.5762/KAIS.2016.17.8.363

Model Integration of Systems Design and Safety Analysis Processes for Systematic Design of Safety-Critical Systems  

Kim, Chang-Won (Dept. of Systems Engineering, Ajou University)
Lee, Jae-Chon (Dept. of Systems Engineering, Ajou University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.17, no.8, 2016 , pp. 363-368 More about this Journal
Abstract
In safety-critical systems (SCS), failure may result in accidents with serious damage to human beings and property. As systems become more complex and automated, the goal of acquiring safety has attracted increasing attention lately in the defense industry, as well as the rail, automotive, and aerospace industries, among others. As such, the Department of Defense and international organizations have established appropriate standards and guidelines for systems safety and design. To this end, there has been research on the processes, methods, and associated tools for safety design. However, those results do not seem to sufficiently utilize system architectural information. The purpose of this paper is to provide a more systematic approach to SCS design. To better identify potential hazards, design information at each level of system hierarchy is exploited. Based on the results, an integrated process model was developed by combining the processes of system design and safety analysis. As a case study, the resultant integrated process model was applied to the safety design of an automobile system, which shows useful results for safety evaluation.
Keywords
Functional Safety; Hazard Analysis; Integrated Process; Safety Analysis; Safety-Critical Systems; System Engineering Process; System Safety;
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