| 一种安全仪表系统SIL分配的定量方法 |
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| 引用本文： | 郭海涛,阳宪惠.一种安全仪表系统SIL分配的定量方法[J].化工自动化及仪表,2006,33(6):65-67,70. |
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| 作者姓名： | 郭海涛 阳宪惠 |
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| 作者单位： | 清华大学,自动化系,过程控制工程研究所,北京,100084 |
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| 摘 要： | 阐述安全仪表系统的安全完整性水平(SIL)分配的基本思想和原理,在风险矩阵和风险图方法的基础上,提出一种定量的基于风险后果和频率来进行SIL分配的方法.这种定量方法通用性好,易于移植复用,并且充分、直观地体现出分配安全仪表系统SIL设计目标的基本思想,弥补了风险矩阵和风险图的不足之处.
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| 关 键 词： | 安全仪表系统 安全完整性水平 风险图 风险矩阵 |
| 文章编号： | 1000-3932（2006）06-0065-03 |
| 收稿时间： | 2006-10-12 |
| 修稿时间： | 2006-10-12 |
Quantitative Method for SIL Assignment of Safety Instrumented System |
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| GUO Hai-tao,YANG Xian-hui.Quantitative Method for SIL Assignment of Safety Instrumented System[J].Control and Instruments In Chemical Industry,2006,33(6):65-67,70. |
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| Authors: | GUO Hai-tao YANG Xian-hui |
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| Affiliation: | Institute of Process Control Engineering, Department of Automation, Tsinghua University, Beijing 100084, China |
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| Abstract: | The principle of SIL assignment is explained. Hazard matrix and risk graph presented in IEC61508 are discussed. A quantitative method for SIL assignment is put forward based on risk frequency and consequence. The quantitative method is general and easy to reuse as well as intuitive. |
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| Keywords: | safety instrumented system safety integrity level hazard matrix risk graph |
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