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[1]王文和,董传富,刘林精,等.基于贝叶斯网络的城市地下燃气管网动态风险分析[J].中国安全生产科学技术,2019,15(5):55-62.[doi:10.11731/j.issn.1673-193x.2019.05.009]
　WANG Wenhe,DONG Chuanfu,LIU Linjing,et al.Dynamic risk analysis of urban buried gas pipeline network based on Bayesian network[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(5):55-62.[doi:10.11731/j.issn.1673-193x.2019.05.009]
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基于贝叶斯网络的城市地下燃气管网动态风险分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年5期
页码:
55-62
栏目:
职业安全卫生管理与技术
出版日期:
2019-05-31

文章信息/Info

Title:
Dynamic risk analysis of urban buried gas pipeline network based on Bayesian network
文章编号:
1673-193X(2019)-05-0055-08
作者:
王文和1; 2; 董传富1; 刘林精1; 李凤3
（1.重庆科技学院 安全工程学院，重庆 401331；
2.重庆市安全生产科学研究院，重庆 401331；
3.重庆大学 资源及环境科学学院，重庆 400044 ）
Author(s):
WANG Wenhe1; 2;  DONG Chuanfu1;  LIU Linjing1;  LI Feng3
(1. College of Safety Engineering, Chongqing University of Science & Technology, Chongqing 401331, China;
2. Chongqing Academy of Safety Science and Technology, Chongqing 401331, China;
3. College of Resources and Environmental Science, Chongqing
关键词:
燃气管道; 动态风险分析; 蝴蝶结; 贝叶斯网络; 概率改变
Keywords:
gas pipeline;  dynamic risk analysis;  bowtie;  Bayesian network;  probability change
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2019.05.009
文献标志码:
A
摘要:
为研究城市燃气管网风险的动态性，针对传统风险分析方法的局限性，提出基于贝叶斯网络的燃气管网动态风险分析方法。构建燃气管网失效蝴蝶结模型并将其转化为贝叶斯网络模型；在事故发生状态下更新事件失效概率，识别出关键因素；根据异常事件数据和贝叶斯理论，对基本事件失效概率进行实时动态改变；随之更新管网失效及各后果发生的概率，从而实现管网的动态风险分析。研究结果表明：该方法克服了传统风险分析方法的不足，可动态反映燃气管网失效和事故后果发生概率随时间变化的特征，能够为城市地下燃气管网的风险分析与事故预防提供参考。
Abstract:
In order to study the dynamic characteristic of the risk of urban gas pipeline network, aiming at the limitation of traditional risk analysis methods, a dynamic risk analysis method of gas pipeline network based on the Bayesian network was proposed. A Bowtie model on the failure of gas pipeline network was established and converted into the Bayesian network model, then the failure probabilities of events were updated in case of accident, and the key factors were identified. According to the data of abnormal events and the Bayesian theory, the realtime and dynamic change of the failure probabilities of basic events was carried out. Subsequently, the probabilities of pipeline network failure and each consequence were updated, thus the dynamic risk analysis of pipeline network was realized. The results showed that the method overcomes the shortcomings of traditional analysis methods, which can reflect the dynamic change characteristics of the probabilities of gas pipeline network failure and accident consequence with time, and provide reference for the risk analysis and accident prevention of urban buried gas pipeline network.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2018-09-10
基金项目： 重庆市社会民生科技创新专项项目（cstc2016shmszx0384）；重庆市基础科学与前沿技术研究重点项目（cstc2017jcyjBX0011）
作者简介： 王文和，博士，教授，主要研究方向为油气化工过程及装备安全技术。
更新日期/Last Update: 2019-06-11