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含能材料  2015 

基于广义线性模型的火工品可靠性数据分析

DOI: 10.11943/j.issn.1006-9941.2015.03.013

Keywords: 飞行器设计 火工品 可靠性分析 广义线性模型 感度试验

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Abstract:

为提高小样本量下火工品可靠性分析的精度, 依据火工品感度试验与可靠性分析的特点, 提出了一种基于广义线性模型的火工品可靠性分析方法。该方法通过函数变换, 将样本似然函数转换为二项分布变量的广义线性表达式, 由此, 得到感度分布参数的极大似然估计及其相应算法, 再根据极大似然估计的渐近正态性, 对可靠度函数进行了logit变换, 给出了火工品可靠度置信下限。通过某针刺雷管(γ=0.95, R≥0.999)和电雷管(γ=0.95, R≥0.9999)对该方法进行了实验验证, 并与大样本试验数据分析结果进行对比, 结果表明该方法合理可行, 可利用约150个样本对可靠性要求为0.999以上的火工品进行有效评价

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