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An Integrated Structural Framework To Cost-based Fmeca: The Priority-cost Fmeca

机译：基于成本的Fmeca的综合结构框架：优先成本Fmeca

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摘要

The Failure Mode, Effects and Criticality Analysis (FMECA) methodology is a widely recognized tool for the study and reliability analysis of a design or process. Many authors in the field have emphasized the usefulness of this particular method as well as its limitations. In particular, there are two main criticisms regarding the Risk Priority Number (RPN) method of calculation and the extreme difficulty in considering the variable of the corrective action cost in the analysis. The main scope of this work is to present a new integrated approach, named priority-cost FMECA (PC-FMECA), in order to exceed these limits. Making reference to a paper by Braglia [MAFMA: multi-attribute failure modes analysis. Int J Qual Reliab Manage 2000; 17(9)], this study proposes a method which allows for the calculation of a new RPN and the introduction of the concept of Profitability taking into consideration the corrective action cost. The study is divided in three fundamental phases: critical analysis of the FMECA model, proposal and development of the PC-FMECA and presentation of an implemented case study in the automotive field.
机译：失效模式，影响和临界度分析（FMECA）方法论是用于设计或过程的研究和可靠性分析的广泛认可的工具。该领域的许多作者都强调了这种特殊方法的实用性及其局限性。特别是，对于风险优先级数（RPN）的计算方法以及在分析中考虑纠正措施成本变量的极端困难，存在两种主要的批评意见。这项工作的主要范围是提出一种新的综合方法，称为优先成本FMECA（PC-FMECA），以超出这些限制。参考Braglia的论文[MAFMA：多属性故障模式分析。 Int J Qual Reliab Manage 2000； [17（9）]，这项研究提出了一种方法，该方法允许计算新的RPN并引入考虑到纠正措施成本的获利能力概念。这项研究分为三个基本阶段：对FMECA模型的批判性分析，对PC-FMECA的提议和开发以及在汽车领域中已实施的案例研究的介绍。

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