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System failure analysis based on DEMATEL–ISM and FMECA 被引量:2
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作者 申桂香 孙曙光 +3 位作者 张英芝 王志琼 陈炳锟 马闯 《Journal of Central South University》 SCIE EI CAS 2014年第12期4518-4525,共8页
A new method of system failure analysis was proposed. First, considering the relationships between the failure subsystems,the decision making trial and evaluation laboratory(DEMATEL) method was used to calculate the d... A new method of system failure analysis was proposed. First, considering the relationships between the failure subsystems,the decision making trial and evaluation laboratory(DEMATEL) method was used to calculate the degree of correlation between the failure subsystems, analyze the combined effect of related failures, and obtain the degree of correlation by using the directed graph and matrix operations. Then, the interpretative structural modeling(ISM) method was combined to intuitively show the logical relationship of many failure subsystems and their influences on each other by using multilevel hierarchical structure model and obtaining the critical subsystems. Finally, failure mode effects and criticality analysis(FMECA) was used to perform a qualitative hazard analysis of critical subsystems, determine the critical failure mode, and clarify the direction of reliability improvement.Through an example, the result demonstrates that the proposed method can be efficiently applied to system failure analysis problems. 展开更多
关键词 system failure analysis related failure decision making and evaluation laboratory-interpretative structural modeling(DEMATEL-ISM) failure mode effects and criticality analysis(FMECA)
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