What's wrong with bent pin analysis, and what to do about it

N. Ozarin
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引用次数: 6

Abstract

Bent pin analysis is an important kind of failure modes and effects analysis that almost always ignores real-world behavior. The somewhat undisciplined nature of this FMEA means there is heavy reliance on human judgment, and given the particularly tedious nature of the task, the results are typically both incomplete and inaccurate. The analysis also provides oversimplified predictions of failure rates based on averages, or omits them entirely. However, carefully defining analysis rules that more realistically reflect real-world events make it possible for a computer to perform a great deal of the task with far more accuracy. Using these rules, the computer can determine individual failure rates for each permutation of short and open circuits. The computer can also go beyond these computations and do a great deal of additional analysis work, freeing humans to concentrate on circuits and systems instead of pins and wires. Finally, the computer can automatically supply repeated worksheet information - and bent pin FMEA worksheets have a lot of it - so that you never need to enter anything more than once. The result is a far more accurate, consistent, and complete analysis requiring much less effort. It brings bent pin analysis into the 21st century.
弯针分析有什么问题,该怎么做
弯销分析是一种重要的失效模式和影响分析,几乎总是忽略实际行为。这种FMEA有些散漫的性质意味着严重依赖于人类的判断,并且考虑到任务特别繁琐的性质,结果通常既不完整又不准确。该分析还提供了基于平均值的过于简化的故障率预测,或者完全省略了故障率。然而,仔细定义更真实地反映现实世界事件的分析规则,使计算机能够以更高的准确性执行大量任务。利用这些规则,计算机可以确定每种短路和开路排列的个别故障率。计算机还可以超越这些计算,做大量额外的分析工作,使人类把精力集中在电路和系统上,而不是针脚和电线上。最后,计算机可以自动提供重复的工作表信息-和弯曲引脚FMEA工作表有很多-所以你永远不需要输入任何东西超过一次。结果是一个更加准确、一致和完整的分析,需要更少的努力。它将弯销分析带入了21世纪。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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