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Risk Prioritization in Failure Mode and Effects Analysis with Extended SWARA and MOORA Methods Based on Z-Numbers Theory

机译:基于Z字母理论的延长施华拉和Moora方法的失效模式和效果分析的风险优先考虑

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摘要

This study introduces an approach in three phases to cover the disadvantages of the FMEA method including inability to assign different importance to risk factors and incomplete prioritization in uncertain environment. First, the values of Risk Priority Number (RPN) are set through the FMEA method. Then, the Step-wise Weight Assessment Ratio Analysis based on the Z-Number theory (Z-SWARA) method has been done to determine the weights of quintuplet factor. Finally, failures are prioritized using Multi-Objective Optimization by Ratio Analysis based on the Z-number theory (Z-MOORA). The results of implementation of the proposed approach by considering uncertainty and reliability represent a complete prioritization.
机译:本研究介绍了三个阶段的方法,以涵盖FMEA方法的缺点,包括无法分配对危险因素和不确定环境不完全优先级的不同重视。 首先,通过FMEA方法设置风险优先级号(RPN)的值。 然后,已经完成了基于Z数理论(Z-SWARA)方法的逐步重量评估比分析来确定Quintuplet因子的权重。 最后,使用基于Z数理论(Z-Moora)的比率分析,使用多目标优化优先考虑失败。 通过考虑不确定性和可靠性来实现提出的方法的结果代表了完全的优先级。

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