| 对数正态分布场合下恒定应力加速寿命中含有缺失的定数截尾样本的AMLE |
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| 引用本文： | 费鹤良,赵培东. 对数正态分布场合下恒定应力加速寿命中含有缺失的定数截尾样本的AMLE[J]. 上海师范大学学报(自然科学版), 2004, 33(3): 1-11 |
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| 作者姓名： | 费鹤良 赵培东 |
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| 作者单位： | 上海师范大学,数理信息学院,上海,200234;上海交通大学,电子信息与电气工程学院,上海,200030 |
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| 基金项目： | SupportedbyTheNSFCproject(10271079)theSpecialFundsforMajorSpecialitiesoftheShanghaiEducationCommittee |
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| 摘 要： | 导出了对数正态分布场合下恒定应力加速寿命中含有缺失定数截尾样本的近似极大似然估计(AMLE)，得到了分布参数和加速方程中未知参数的AMLE的显式解，便于实际计算和工程应用，数值模拟的结果表明本方法可行．
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| 关 键 词： | 正态分布 对数正态分布 极大似然估计 近似极大似然估计 |
AMLEs of the lognormal distribution based on multiply type-Ⅱ censored samples in constant stress accelerated life-testing |
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| Abstract. AMLEs of the lognormal distribution based on multiply type-Ⅱ censored samples in constant stress accelerated life-testing[J]. Journal of Shanghai Normal University(Natural Sciences), 2004, 33(3): 1-11 |
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| Authors: | Abstract |
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| Abstract: | We derive the approximate maximum hkelihood estimators (AMLEs) of the lognormal distribution based on multiply Type-Ⅱ censored samples in the constant stress accelerated life-testing, obtain the explicit AMLE expressions of the distribution parameter and the unknown parameters in the accelerated equations. It is easy to compute in practice and to apply in engineering. The results of the numerical example show that the methods given in this paper is remarkably efficient. |
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| Keywords: | lognormal distribution normal distribution maximum likelihood estimator approximate maximum likelihood estimator |
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