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首页> 外文会议>2013 Proceedings - Annual Reliability and Maintainability Symposium >Optimizing test confidence based on life cycle cost
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Optimizing test confidence based on life cycle cost

机译：根据生命周期成本优化测试置信度

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摘要

Current Army acquisition policy states that systems shall demonstrate reliability requirements with high confidence, but the policy fails to state what ‘high’ confidence means. Despite this, for every system there is an optimal confidence level with which to demonstrate the reliability requirement. The optimal confidence level may be driven by many competing factors including cost, schedule, Soldier safety, and mission criticality. Most of these factors are difficult to quantify, and leave the community to make a judgment call on the appropriate confidence level. In the absence of other driving or quantifiable metrics, one way to choose an optimal confidence level is to balance test cost against the risk to life cycle cost.
机译：现行的陆军采购政策规定，系统应以高可信度展示可靠性要求，但该政策未能说明“高可信度”的含义。尽管如此，对于每个系统，都有一个最佳置信度来证明其可靠性要求。最佳置信度可能受许多竞争因素的驱动，包括成本，进度，士兵安全性和任务关键性。这些因素中的大多数很难量化，并且让社区对适当的置信度做出判断。在没有其他驱动或可量化指标的情况下，选择最佳置信度的一种方法是在测试成本与生命周期成本风险之间取得平衡。

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