A SYSTEM APPROACH TO RELIABILITY AND LIFE-CYCLE COST OF PROCESS SAFETY-SYSTEMS

被引：8

作者：

BODSBERG, L ^{[1
]}

HOKSTAD, P ^{[1
]}

机构：

[1] SINTEF,DIV SAFETY & RELIABIL,N-7034 TRONDHEIM,NORWAY

来源：

IEEE TRANSACTIONS ON RELIABILITY | 1995年 / 44卷 / 02期

关键词：

SOFTWARE FAILURE; HUMAN FAILURE; FAILURE CLASSIFICATION; LIFE-CYCLE COST; DEPENDABILITY;

D O I：

10.1109/24.387369

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

An analytic method, PDS, allows the designer to assess the cost effectiveness of computer-based process safety-systems based on a quantification of reliability and lifecycle cost. Using PDS in early system design, configurations and operating philosophies can be identified in which the reliability of field devices and logic control units is balanced from a safety and an economic point of view. When quantifying reliability, the effects are included of fault-tolerant and fault-removal techniques, and of failures due to environmental stresses and failures initiated by humans during engineering and operation. A failure taxonomy allows the analyst to treat hardware failures, human failures, and software failures of automatic systems in an integrated manner. The main benefit of this taxonomy is the direct relationship between failure cause and the means used to improve safety-system performance.

引用

页码：179 / 186

页数：8

共 18 条

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