计算机科学 ›› 2020, Vol. 47 ›› Issue (6): 225-229.doi: 10.11896/jsjkx.200200082
肖承学, 郭健
XIAO Cheng-xue, GUO Jian
摘要： 失效模式与影响分析(Failure Mode and Effect Analysis,FMEA)是一项事前预防的风险分析手段,在实际运用过程中有许多不足。传统FMEA方法的应用环境是高度不确定的,运用传统方法进行分析时,最后的结果与实际情况偏差较大。文中基于模糊理论和多属性决策模型,提出了一种区间犹豫模糊TODIM的风险排序方法。首先,利用区间犹豫模糊元(Interval-Valued Hesitant Fuzzy Element,IVHFE)构建专家评价矩阵;然后,采用离差最大化法计算风险因子的客观权重,采用专家打分法确定风险因子的主观权重,将两者结合得到综合权重;最后,采用TODIM法对失效模式的O,S,D进行综合评估。以地铁车门的风险评估为例,验证了所提方法的有效性。
中图分类号:
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