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Journal of Korean Society for Quality Management > Volume 42(4); 2014 > Article
Journal of Korean Society for Quality Management 2014;42(4): 543-.
ASIL에 기초하여 수정된 안전시스템 FMEA 위험평가척도
백명식1, 장현애2, 권혁무2
1한국품질재단 부산경남지역본부
2부경대학교 시스템경영공학부
A Modified Metric of FMEA for Risk Evaluation Based on ASIL of Safety System
Myoung-Sig Baek1, Hyeon Ae Jang2, Hyuck Moo Kwon2
1Busan & Gyeongnam Regional Division, Korean Foundation for Quality
2Department of Systems Management and Engineering, Pukyong National University
ABSTRACT
Purpose:
The purpose of this study is to suggest a modified approach that compensates some shortcomings of RPN with relevant strength of ASIL for Safety System and suggests systematic and logical approach for FMEA.
Methods:
By comparing the objectives, determination procedures, and key conceptual differences of RPN and ASIL, a refined method of risk evaluation and a new risk metric are devised.
Results:
While the traditional FMEA provides only rough evaluation of relative risk for each failure, the proposed method compensates its shortcomings with relevant strength of ASIL and provides a more logical and practical procedure of risk evaluation.
Conclusion:
The new metric RPM provides not only a comparative priority rank but also the degree of physical seriousness. Besides, it may have even more benefits for various applications if the severity can be expressed as mone tary amount of losses.
Key Words: FMEA;RPN;H&R;ASIL;Safety System;
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