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http://dx.doi.org/10.7232/IEIF.2012.25.4.422

A Study on FMEDA Process for SIL Certification : A Case Study of a Flame Scanner  

Kim, Sung Kyu (Department of Industrial and Management Engineering, Graduate School, Kyonggi University)
Kim, Yong Soo (Department of Industrial and Management Engineering, Kyonggi University)
Publication Information
IE interfaces / v.25, no.4, 2012 , pp. 422-430 More about this Journal
Abstract
In this article, we introduced the estimation method by 'Safety Integrity Level'(SIL) for the criterion of safety assurance and performed a case study on a flame scanner. SIL requires probabilistic evaluation of each set of equipment used to reduce risk in a safety related system. FMEDA(Failure Modes, Effects and Diagnostic Analysis) method is widely used to evaluate the safety levels and provides information on the failure rates and failure mode distributions necessary to calculate a diagnostic coverage factor for a part or a component. Basically, two parameters resulting from FMEDA are used for SIL classification of the device : SFF(Safe Failure Fraction) and PFD(Probability of Failure on Demand). In this case study, it is concluded that the flame scanner is designed to fulfill the condition of SIL 3 in the aspect of SFF and PFD.
Keywords
SIL; functional safety; FMEA; FMEDA; SFF; PFD; flame scanner;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
연도 인용수 순위
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