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Fuzzy Analysis on Criticality of Tool Magazine Based on Type-2 Membership Function and Interval Number

机译：基于2型隶属度函数和区间数的刀库临界性模糊分析。

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摘要

Based on failure data of machining center, according to traditional random theory, analyze tool magazine by FMECA. Fuzzy the parameters of criticality, based on triangle-interval type-2 fuzzy membership function and algorithm of interval number on the type-2 membership function. Make judgment matrixes of interval number. Comprehensive evaluation of criticality rank of every failure mode is made by fuzzy comprehensive evaluation of interval number. Lastly, every failure mode's criticality rank is got according to TOPSIS method and the algorithm of closeness degree. The above-mentioned method points out the weak parts of the tool magazine, it also can apply to fuzzy analysis on criticality of complete appliance, so as to provide basis for the reliability design and analysis of machining center.
机译：基于加工中心的故障数据，根据传统的随机理论，采用FMECA方法对刀库进行分析。基于三角形区间2型模糊隶属度函数和2型隶属度函数上的区间数算法，对关键参数进行模糊处理。制定区间数的判断矩阵。通过对区间数进行模糊综合评价，对每种失效模式的临界等级进行综合评价。最后，根据TOPSIS法和接近度算法，得出每种失效模式的临界等级。上述方法指出了刀库的薄弱环节，也可用于对整机的关键性进行模糊分析，从而为加工中心的可靠性设计和分析提供依据。

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