Modeling and reliability assessment of a 3-channel safety-instrumented system

被引：0

作者：

Liu, Y. L. ^{[1
]}

Rausand, M. ^{[1
]}

Jin, H. ^{[1
]}

机构：

[1] Norwegian Univ Sci & Technol, Dept Prod & Qual Engn, NO-7491 Trondheim, Norway

来源：

2012 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL ENGINEERING AND ENGINEERING MANAGEMENT (IEEM) | 2012年

关键词：

Safety-instrumented system; reliability; Markov method; Petri net; PFDavg;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Safety-instrumented systems (SISs) are often crucial in the prevention of accidents. In this study, several reliability assessment methods, including the approximation formulas in IEC 61508 and in the PDS handbook, and Markov and Petri net methods, are used to determine the reliability of a redundant SIS configuration with three parallel channels. The average probability of failure on demand (PFDavg) is used as reliability measure, and common cause failures and proof tests are considered in the modeling. The results obtained by the different methods are compared, and characteristics

引用

页码：2098 / 2102

页数：5

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