|本期目录/Table of Contents|

[1]李莎莎,崔铁军.考虑系统故障演化整体和局部特征的关键事件确定方法*[J].中国安全生产科学技术,2023,19(9):150-156.[doi:10.11731/j.issn.1673-193x.2023.09.022]
　LI Shasha,CUI Tiejun.Determination method of key events considering global and local characteristics of system fault evolution[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(9):150-156.[doi:10.11731/j.issn.1673-193x.2023.09.022]
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考虑系统故障演化整体和局部特征的关键事件确定方法*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年9期
页码:
150-156
栏目:
职业安全卫生管理与技术
出版日期:
2023-09-30

文章信息/Info

Title:
Determination method of key events considering global and local characteristics of system fault evolution
文章编号:
1673-193X(2023)-09-0150-07
作者:
李莎莎; 崔铁军
（沈阳理工大学 环境与化学工程学院，辽宁 沈阳 110159）
Author(s):
LI Shasha;  CUI Tiejun
(School of Environmental and Chemical Engineering,Shenyang Ligong University,Shenyang Liaoning 110159,China)
关键词:
安全系统工程; 系统故障演化; 整体和局部特征; 关键事件; 确定方法; MCFS
Keywords:
safety system engineering;  system fault evolution;  global and local characteristics;  key event;  determination method;  multi-cluster feature selection (MCFS)
分类号:
X913
DOI:
10.11731/j.issn.1673-193x.2023.09.022
文献标志码:
A
摘要:
为更加合理地构建系统故障演化过程、更加准确地确定关键事件，提出1种考虑演化整体和局部特征的关键事件确定方法。首先，以系统故障演化过程测量得到的对象为基础，建立基础数据矩阵和归一数据矩阵；然后，使用MCFS确定对象局部特征权重，使用LS确定对象整体特征权重；最后，综合各对象局部和整体特征权重得到关键事件。研究结果表明：演化过程中的经历事件是演化的核心；研究对象权重需考虑整体趋势和局部波动特征；大权重对象对应关键事件;利用实例得到的11个关键事件构成该系统故障演化过程。研究结果可为构建系统故障演化过程提供参考方法。
Abstract:
In order to construct the process of system fault evolution more reasonably,a determination method of key events considering the global and local characteristics of evolution was proposed.Firstly,the basic data matrix and normalized data matrix were established by sampling objects.Secondly,the local characteristic weight of the object was obtained based on the multi-cluster feature selection (MCFS),and the global characteristic weight of the object was obtained based on Laplacian score (LS).Finally,the key events were obtained by combining the local and global characteristic weights of each object.The results show that although the evolution process has complex structure and level,the experience event is the core of evolution.The weight of the object should consider the global trend and local fluctuation characteristics.The object with big weight corresponds to the key event.Using the example,11 key events are obtained,which construct the system fault evolution process.The research results can provide an effective method for constructing the system fault evolution process.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2023-04-10
* 基金项目： 国家自然科学基金项目(52004120)
作者简介： 李莎莎，博士，副教授，主要研究方向为安全系统工程、系统可靠性。
通信作者： 崔铁军，博士，教授，主要研究方向为系统可靠性及系统故障演化理论。
更新日期/Last Update: 2023-10-12