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The Effectiveness of Test in Controlling Quality Costs: A Conformability Analysis Based Approach

机译：测试在控制质量成本中的有效性：基于一致性分析的方法

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摘要

Test and inspection are an increasingly costly element of electronic system design and manufacture and so it is critical that the cost effectiveness of test and inspection are well understood. This paper presents techniques which may be used to assess test capability and hence the implied test quality costs of PCB level electronic circuits. The techniques presented are based on the electronic Conformability Analysis (eCA) approach which combines process capability indices and Failure Modes and Effects Analysis with a cost mapping procedure. It introduces a new measure of test capability based on the widely used process capability measure C pk. This analysis allows the quality costs associated with design and manufacture induced faults to be estimated and the effectiveness of test strategies in reducing these costs to be determined. It allows the trade-off between quality costs and the component, manufacturing process and test costs to be explored. The technique has been applied to analogue & mixed signal, safety critical circuits from automotive systems.
机译：测试和检查是电子系统设计和制造中越来越昂贵的元素，因此，至关重要的是要充分了解测试和检查的成本效益。本文介绍了可用于评估测试能力的技术，从而评估了PCB级电子电路的隐含测试质量成本。提出的技术基于电子合格性分析（eCA）方法，该方法将过程能力指标以及故障模式和影响分析与成本映射过程结合在一起。它基于广泛使用的过程能力度量C pk 引入了一种新的测试能力度量。这种分析可以估算与设计和制造引起的故障相关的质量成本，并可以确定降低这些成本的测试策略的有效性。它允许在质量成本与组件，制造过程和测试成本之间进行权衡。该技术已应用于汽车系统的模拟和混合信号，安全关键电路。

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