基于事故样本熵权法对石化企业安全管理评估指标权重的修正
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摘要
专家打分等传统确定权重的方法主观性强,为减少其对安全管理水平量化评估效果的影响,本文通过事故样本熵权法对权重进行修正。首先通过爬虫技术从网络新闻中搜集化工类事故案例,通过信息分类等处理技术筛选事故样本,得到网络新闻中化工事故的统计分布特征。然后通过事故样本与安全管理要素之间的关联分析和熵权法定量计算,对安全管理评估体系各要素权重提出了建议,认为应提高承包商和供应商管理、设备完好性、作业风险控制、变更管理等要素的权重。
In order to optimize the safety management quantitative evaluation system for petrochemical enterprises,in this paper a method based on accident samples is proposed to revise the weight of evaluation indicators which has been estimated by experts.Firstly,chemical accidents are collected from network news by means of crawler technology,and accidents are screened by information classification and other processing technologies. The statistical distribution characteristics of accidents are analyzed.Secondly,through the correlation analysis between the accident sample and the safety management elements and the quantitative calculation by entropy weight method,suggestions on the weight of each element of the safety management evaluation system are put forward. The results show that the weights of elements such as contractor and supplier management,equipment integrity,operational risk control and management of change should be increased.
In order to optimize the safety management quantitative evaluation system for petrochemical enterprises,in this paper a method based on accident samples is proposed to revise the weight of evaluation indicators which has been estimated by experts.Firstly,chemical accidents are collected from network news by means of crawler technology,and accidents are screened by information classification and other processing technologies. The statistical distribution characteristics of accidents are analyzed.Secondly,through the correlation analysis between the accident sample and the safety management elements and the quantitative calculation by entropy weight method,suggestions on the weight of each element of the safety management evaluation system are put forward. The results show that the weights of elements such as contractor and supplier management,equipment integrity,operational risk control and management of change should be increased.
引文
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[17]彭双和,图尔贡·麦提萨比尔,周巧凤.基于Simhash的中文文本去重技术研究[J].计算机技术与发展,2017,27(11):137-140,145.
[2] Anne Helbo Jespersen,Peter Hasle. Developing a concept for external audits of psychosocial risks in certified occupational health and safety management systems[J]. Safety Science,2017,99:227-234.
[3] Nektarios Karanikas. Evaluating the horizontal alignment of safety management activities through cross-reference of data from safety audits,meetings and investigations[J]. Safety Science,2017,98:37-49.
[4]邬长城.安全管理体系质量评估方法研究[D].北京:中国矿业大学,2012.
[5]徐成忠.基于PSM理念的石油化工企业安全管理体系评估-检维修作业[D].青岛:中国石油大学,2015.
[6] CMA(Chemical Manufacturers Association). Text of the responsible care codes[EB/OL]. 1997. http://www. cmahg.com.
[7] Det Norske Veritas(DNV). Best practice safety and sustainability management[EB/OL]. 2013. http://www.dnvba. com/sg/DNVDownloads/ISRSBrochure. pdf.
[8] DNV. isrs PSM:Improving process safety,environmental and business performance[EB/OL]. http://www. dnv. com/binaries/isrs7%20psm%20brochure%20rev%207_tcm4~273420. pdf.
[9]张文海.国际安全评价系统(ISRS(R))在石油类企业的应用研究-以“W-E”公司为例[D].北京:中国人民大学,2008.
[10]田振雨.安全风险管理在电力企业中的应用[D].北京:首都经济贸易大学,2009.
[11]Richard MacLean. EHS organizational quality:A Du Pont case study[J]. Environmental Quality Management,2010,14(2):19-27.
[12]黄欣,田水承,李停军.基于杜邦STOP的现场行为安全审计研究[J].安全与环境工程,2013,20(4):92-96.
[13] AIOC Engineers. Center for chemical process safety,guidelines for auditing process safety management systems[J]. Journal of Hazardous Materials,2011,13(5):111-112.
[14]于菲菲,田文浩,王廷春.石油化工企业过程安全管理评估系统的设计与应用研究[J].中国安全生产科学技术,2015,11(04):112-115.
[15]何润泽.基于熵权物元的成都市配电网风险评估[D].北京:华北电力大学,2017.
[16]孙立伟,何国辉,吴礼发.网络爬虫技术的研究[J].电脑知识与技术,2010,6(15):4112-4115.
[17]彭双和,图尔贡·麦提萨比尔,周巧凤.基于Simhash的中文文本去重技术研究[J].计算机技术与发展,2017,27(11):137-140,145.