基于FMEA的企业信息管理系统模糊风险评估法
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摘要
针对企业信息管理系统(EMS)的安全性评估问题,提出一种融合失效模式-影响分析(FMEA)和模糊逻辑的风险评估方法。首先,根据行业专家知识和经验确定EIMS中各种潜在失效模式和风险等级描述。然后,在发生率、严重度和可检测度3个方面评估各失效模式,并利用梯形模糊数表示失效模式的风险程度。最后,利用α-割集去模糊化,获得各安全类别的综合风险系数,并进行排序。案例分析表明,该方法的评估结果与实际情况吻合,具有较高的有效性。
For the issues that the safety evaluation of enterprise information management system(EIMS),a risk assessment method based on failure mode and effects analysis(FMEA) and fuzzy logic is proposed.First of all,the potential failure mode and the risk level description in EIMS are determined according to industry expert knowledge and experience.Then,the failure modes are evaluated in three aspects of incidence,severity and the detection degree,and the risk degree of the failure mode is represented by the trapezoidal fuzzy number.Finally,the comprehensive risk factor of each security category is obtained by using the cut set defuzzification.The case analysis shows that the evaluation results of this method are in good agreement with the actual situation,and has high effectiveness.
For the issues that the safety evaluation of enterprise information management system(EIMS),a risk assessment method based on failure mode and effects analysis(FMEA) and fuzzy logic is proposed.First of all,the potential failure mode and the risk level description in EIMS are determined according to industry expert knowledge and experience.Then,the failure modes are evaluated in three aspects of incidence,severity and the detection degree,and the risk degree of the failure mode is represented by the trapezoidal fuzzy number.Finally,the comprehensive risk factor of each security category is obtained by using the cut set defuzzification.The case analysis shows that the evaluation results of this method are in good agreement with the actual situation,and has high effectiveness.
引文
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[5]Jong C H,Kai M T,Lim C P.Application of the fuzzy Failure Mode and Effect Analysis methodology to edible bird nest processing[J].Computers&Electronics in Agriculture,2013,96(12):90-108.
[6]Kim H M,Woo I S,Kim H M,et al,A Study of Methods on Risk Assessment for Plant Construction using FMEA(Failure Mode and Effect Analysis)[J].Journal of the Korean Society for Aviation&Aeronautics,2013,28(4):81-90.
[7]葛海慧,郑世慧,陈天平,等.信息安全威胁场景模糊风险评估方法[J].北京邮电大学学报,2013,36(6):89-92.Ge H H,Zheng S H,Chen T P,et al.Fuzzy Risk Assessment of Information Security Threat Scenario[J].Journal of beijrng university of posts and telecom,2013,36(6):89-92.
[8]Belu N,Rachieru N,Anghel D C.Fuzzy Failure Mode and Effect Analysis Application to Improve Laser Cutting Process[J].Advanced Materials Research,2014,36(10):280-285.
[9]曾水玲,徐蔚鸿,杨静宇.多重多维模糊推理算法的连续性和逼近性[J].控制工程,2012,19(1):114-118.Zeng S L,Xu W H,Yang J Y.On Continuity Properties and Approximation Properties of Algorithms for Multiple&Multi-dimensional Fuzzy ReasoningfJ],Control Engineering of China,2012,19(1).114-118.
[10]Liu H C,Liu L,Bian Q H,et al.Failure mode and effects analysis using fuzzy evidential reasoning approach and grey theory[J].Expert Systems with Applications,2011,38(4):4403-4415.
[11]Du Y,Mo H,Deng X,et al.A new method in failure mode and effects analysis based on evidential reasoning[J].International Journal of System Assurance Engineering&Management,2014,5(1):1-10.
[12]Mohammadi M,Iranmanesh S H,Tavakkoli-Moghaddam R,et al.Hierarchical Alpha-cut Fuzzy C-means,Fuzzy ARTMAP and Cox Regression Model for Customer Chum Prediction[J].International Journal of Engineering,2014,27(9):241-252
[2]Li Y Z.Research on the Design and Realization of Management Information System of Enterprise Risk Assessment[J].Advanced Materials Research,2014,99(3):1666-1669.
[3]孙宝琛,贾希胜,程中华.基于FMEA和模糊Petri网推理的装备保障过程诊断研究[J].计算机应用研究,2012,29(8):2973-2977.Sun B C,Jia X S,Cheng Z H.Study on diagnosis model for support process based on FMEA and fuzzy reasoning Petri nets[J].Application Research of Computers,2012,29(8):2973-2977.
[4]Trafialek J,Kolanowski W.Application of Failure Mode and Effect Analysis(FMEA)for audit of HACCP system[J].Food Control,2014,44(3):35-44.
[5]Jong C H,Kai M T,Lim C P.Application of the fuzzy Failure Mode and Effect Analysis methodology to edible bird nest processing[J].Computers&Electronics in Agriculture,2013,96(12):90-108.
[6]Kim H M,Woo I S,Kim H M,et al,A Study of Methods on Risk Assessment for Plant Construction using FMEA(Failure Mode and Effect Analysis)[J].Journal of the Korean Society for Aviation&Aeronautics,2013,28(4):81-90.
[7]葛海慧,郑世慧,陈天平,等.信息安全威胁场景模糊风险评估方法[J].北京邮电大学学报,2013,36(6):89-92.Ge H H,Zheng S H,Chen T P,et al.Fuzzy Risk Assessment of Information Security Threat Scenario[J].Journal of beijrng university of posts and telecom,2013,36(6):89-92.
[8]Belu N,Rachieru N,Anghel D C.Fuzzy Failure Mode and Effect Analysis Application to Improve Laser Cutting Process[J].Advanced Materials Research,2014,36(10):280-285.
[9]曾水玲,徐蔚鸿,杨静宇.多重多维模糊推理算法的连续性和逼近性[J].控制工程,2012,19(1):114-118.Zeng S L,Xu W H,Yang J Y.On Continuity Properties and Approximation Properties of Algorithms for Multiple&Multi-dimensional Fuzzy ReasoningfJ],Control Engineering of China,2012,19(1).114-118.
[10]Liu H C,Liu L,Bian Q H,et al.Failure mode and effects analysis using fuzzy evidential reasoning approach and grey theory[J].Expert Systems with Applications,2011,38(4):4403-4415.
[11]Du Y,Mo H,Deng X,et al.A new method in failure mode and effects analysis based on evidential reasoning[J].International Journal of System Assurance Engineering&Management,2014,5(1):1-10.
[12]Mohammadi M,Iranmanesh S H,Tavakkoli-Moghaddam R,et al.Hierarchical Alpha-cut Fuzzy C-means,Fuzzy ARTMAP and Cox Regression Model for Customer Chum Prediction[J].International Journal of Engineering,2014,27(9):241-252