| 可靠性分析的三参数法 |
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| 引用本文： | 吴立言,刘更,王步瀛. 可靠性分析的三参数法[J]. 航空学报, 1995, 16(3): 121-125 |
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| 作者姓名： | 吴立言 刘更 王步瀛 |
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| 作者单位： | 西北工业大学5 系, 西安, 710072 |
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| 基金项目： | 国家自然科学基金,航空科学基金 |
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| 摘 要： | 提出了可靠性分析的三参数法，它不仅考虑了随机变量的均值和方差，还计入分布偏度的影响。由于三参数法较多地保留了随机变量的分布特征，从而提高了可靠性分析的精度。这一点对于有高可靠性要求的航空产品的可靠性分析更具有意义。
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| 关 键 词： | 可靠性分析 威布尔分布 均方值 |
| 收稿时间： | 1993-03-30 |
| 修稿时间： | 1994-04-12 |
THREE-MOMENT METHOD FOR RELIABILITY ANALYSIS |
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| Wu Liyan,Liu Geng,Wang Buying. THREE-MOMENT METHOD FOR RELIABILITY ANALYSIS[J]. Acta Aeronautica et Astronautica Sinica, 1995, 16(3): 121-125 |
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| Authors: | Wu Liyan Liu Geng Wang Buying |
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| Affiliation: | Dept. No. 5, Northwestern Polytechnical University, Xi'an, China, 710072 |
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| Abstract: | A new three-moment method is presented. The proposed method considers not only the means and variances of random variables, but also the influences of skewness of probabilistic distribution. Because more characteristics of random variables to be concerned with reliability analysis are maintained, the precision of reliability analysis can be increased. This is highly important for aeronautical products with high reliability requirement. |
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| Keywords: | reliability analysis weibull distribution mean square values |
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