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논문 기본 정보

자료유형
학술대회자료
저자정보
Jirawat Poomhuang (King Mongkut’s Institute of Technology Ladkrabang) Prasit Julsereewong (King Mongkut’s Institute of Technology Ladkrabang) Teerawat Thepmanee (King Mongkut’s Institute of Technology Ladkrabang)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2016
발행연도
2016.10
수록면
599 - 604 (6page)

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This paper addresses the design of functional safety model for process automation in accord with IEC 61508/61511 standard. Functional safety design of a tail gas treating unit has been conducted in this study. The quantitative fault tree analysis approach which has been proved to be acceptable and widely applied in many applications of modeling and methods supporting the designer and safety engineer not only to identify how subsystems and components could fail and what are the corresponding effects on the whole system, but also to quantify the reliability parameters for complex systems. The analytical evaluation of the probability failure on demand and the failure rate for the system, all these component are supposed to be not repairable and the probability distributions of time to failure random variables are assumed to be exponential function. The calculation result is used as the criterion for the safety instrumented function design in order to conform the required safety integrity level. The experimental show that the subsystem architecture of safety instrumented function has a significant impact on improving the average probability of failure on demand of the process.

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Abstract
1. INTRODUCTION
2. SAFETY INTEGRITY LEVEL (SIL) ASSESSMENT
3. FUNCTIONAL SAFETY MODELING
4. NUMERICAL ILLUSTRATION
5. CONCLUSION
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UCI(KEPA) : I410-ECN-0101-2017-003-001868797