模糊综合评价法的整体安全评估
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摘要
为提高民航重要信息系统等级保护测评的准确性,提出模糊综合评价法的整体安全评估。该方法通过确定影响整体测评结果的10个单元测评项,建立整体安全指标评价体系,得到评价指标集,划分五个评价等级,运用粗糙集对单元评价指标进行权重系数调整,再利用可拓关联函数得到隶属度矩阵,将评价指标的权重和各个评价指标对评价等级的隶属度模糊合成,得到模糊评价结果。实验结果表明,该方法采用粗糙集权重系数调整,将10个单元评价指标更好地为整体评估提供支撑,实验结果与常权等测评结果对比,更符合民航重要信息系统的现状,具有更好的应用性。
In order to improve the accuracy of grade protection evaluation of civil aviation important information system,the overall safety assessment of fuzzy comprehensive evaluation method is put forward. By determining the ten unit evaluation items affecting the overall evaluation result,the overall security index evaluation system is established,the evaluation index set is obtained,and five evaluation grades are divided. The rough set is used to adjust the weight coefficient of the unit evaluation indexes,and then the extension association function is adopted to get the membership degree matrix. The evaluation index weight and evaluation indexes are used to perform the membership degrees fuzzy synthesis for the evaluation grades to obtain the fuzzy evaluation results. The results show that the rough set used to adjust the weight coefficients of ten unit evaluation items can provide a strong support for the overall evaluation. The experimental results of the proposed method are compared to the results of constant weight and other evaluation methods,which show that the method is more in line with the status of the important information system of civil aviation,and has high applicability.
In order to improve the accuracy of grade protection evaluation of civil aviation important information system,the overall safety assessment of fuzzy comprehensive evaluation method is put forward. By determining the ten unit evaluation items affecting the overall evaluation result,the overall security index evaluation system is established,the evaluation index set is obtained,and five evaluation grades are divided. The rough set is used to adjust the weight coefficient of the unit evaluation indexes,and then the extension association function is adopted to get the membership degree matrix. The evaluation index weight and evaluation indexes are used to perform the membership degrees fuzzy synthesis for the evaluation grades to obtain the fuzzy evaluation results. The results show that the rough set used to adjust the weight coefficients of ten unit evaluation items can provide a strong support for the overall evaluation. The experimental results of the proposed method are compared to the results of constant weight and other evaluation methods,which show that the method is more in line with the status of the important information system of civil aviation,and has high applicability.
引文
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[13]段在鹏,钱新明,王如君.基于隶属度权重的化工园区供电工程模糊综合评价[J].安全与环境学报,2016,16(2):40-44.DUAN Zaipeng,QIAN Xinming,WANG Rujun. On the fuzzy comprehensive assessment approach to the power supply&distribution system in the chemical industry parks based on the dynamic weights of the membership degrees[J]. Journal of safety and environment,2016,16(2):40-44.
[2]伍浏阳.因子分析和支持向量机的信息系统风险评价[J].微电子学与计算机,2016,33(2):144-148.WU Liuyang. Risk analysis of the information system by using factor analysis and support vector machine[J]. Microelectronics&computer,2016,33(2):144-148.
[3] SULTAN N. Knowledge management in the age of cloud computing and Web 2.0:experiencing the power of disruptive innovations[J]. International journal of information management,2013,33(1):160-165.
[4] DE GUSM?O A P H,SILVA L C,SILVA M M,et al. Information security risk analysis model using fuzzy decision theory[J]. International journal of information management,2016,36(1):25-34.
[5]陈燕.计算机网络信息安全风险评估标准与方法研究[D].青岛:中国海洋大学,2015.CHEN Yan. Computer network security risk assessment standard and method of research[D]. Qingdao:Ocean University of China,2015.
[6]赵刚,刘换.基于多层次模糊综合评判及熵权理论的实用风险评估[J].清华大学学报(自然科学版),2012,52(10):1382-1387.ZHAO Gang,LIU Huan. Practical risk assessment based on multiple fuzzy comprehensive evaluations and entropy weighting[J]. Journal of Tsinghua University(Science and Technology),2012,52(10):1382-1387.
[7]邹仁华,王毅超,邓元婧.基于变权综合理论和模糊综合评价的多结果输出输电线路运行状态评价方法[J].高电压技术,2017,43(4):1289-1295.ZOU Renhua,WANG Yichao,DENG Yuanjing,et al. Condition assessment method for transmission line with multiple outputs based on variable weight principle and fuzzy comprehensive evaluation[J]. High voltage engineering,2017,43(4):1289-1295.
[8]杜栋,庞庆华.现代综合评价方法与案例精选[M].北京:清华大学出版社,2005.DU Dong,PANG Qinghua. Modern comprehensive evaluation method and case selection[M]. Beijing:Tsinghua University Press,2005.
[9]王跃,谭昌柏,安鲁陵,等.基于支持向量机的飞机装配工艺模糊综合评价方法[J].机械制造与自动化,2017(5):62-66.WANG Yue,TAN Changbai,AN Luling,et al. Fuzzy comprehensive evaluation method of aircraft assembly process based on SVM[J]. Machine building and automation,2017(5):62-66.
[10]陈覃霞,刘盾,梁德翠.粗糙集理论和信息熵的AHP改进方法[J].计算机科学与探索,2018,12(3):484-493.CHEN Qinxia,LIU Dun,LIANG Decui. Improved AHP approach based on rough set theory and information entropy[J].Journal of frontiers of computer science and technology,2018,12(3):484-493.
[11]张明,韩松臣,杭勇,等.基于改进的可拓评价模型的安全管制员工作负荷综合评估模型[J].安全与环境学报,2014,14(1):84-87.ZHANG Ming,HAN Songchen,HANG Yong,et al. An integrated evaluation model of the safety controller′s workload based on improved extension evaluation model[J]. Journal of safety and environment,2014,14(1):84-87.
[12]董伟,张晓明,陈绍杰,等.可拓论与信息熵在煤层注水效果优化中的应用研究[J].中国安全科学学报,2016(10):121-126.DONG Wei,ZHANG Xiaoming,CHEN Shaojie,et al. Application of extenics theory and information entropy to optimization of water infusion in coal area[J]. China safety science journal,2016(10):121-126.
[13]段在鹏,钱新明,王如君.基于隶属度权重的化工园区供电工程模糊综合评价[J].安全与环境学报,2016,16(2):40-44.DUAN Zaipeng,QIAN Xinming,WANG Rujun. On the fuzzy comprehensive assessment approach to the power supply&distribution system in the chemical industry parks based on the dynamic weights of the membership degrees[J]. Journal of safety and environment,2016,16(2):40-44.