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含能材料  2008 

基于序约束的火工品可靠性试验数据分析

Keywords: 系统工程,火工品,可靠性,Langlie试验,序约束

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Abstract:

为了能在较小样本量下提高火工品可靠性试验数据分析效果,研究了Langlie法试验,给出了火工品可靠性试验数据分析方法。该方法利用保序回归对Langlie法试验数据进行处理,给出参数的序约束估计。模拟结果表明基于序约束的Langlie试验数据的位置参数估计具有较优的统计性质。最后利用该方法对某针刺雷管进行可靠性评估,并与大样本方法比较,表明该方法可以利用65个样本在置信水平为0.9时对可靠性为0.999的火工品进行评估。

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