| 三参数威布尔分布在寿命分析中的参数估计 |
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| 引用本文： | 方志强,高连华.三参数威布尔分布在寿命分析中的参数估计[J].装甲兵工程学院学报,2001,15(2):70-74. |
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| 作者姓名： | 方志强 高连华 |
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| 作者单位： | 装甲兵工程学院技术保障工程系,北京,100072 |
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| 摘 要： | 威布尔分布在可靠性工程中已得到了广泛的应用.在对己给定的寿命试验数据进行可靠性分析与评估中,因简单易解多采用二参数威布尔分布,但参数估计会带来较大误差.对具有以损耗失效为特征的某些机械零部件,采用三参数威布尔分布进行拟合及参数估计,可以得到更高的精度,因而较二参数威布尔分布,更能反映产品可靠性的实际情况.
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| 关 键 词： | 威布尔分布 拟合 参数估计 |
| 修稿时间： | 2000年10月31 |
Estimation of Parameters of Three-parameter Weibull Distribution in Life Analysis |
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| FANG Zhi-qiang,GAO Lian-hua.Estimation of Parameters of Three-parameter Weibull Distribution in Life Analysis[J].Journal of Armored Force Engineering Institute,2001,15(2):70-74. |
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| Authors: | FANG Zhi-qiang GAO Lian-hua |
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| Institution: | FANG Zhi-qiang;GAO Lian-hua |
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| Abstract: | Weibull distribution has been widely used in the reliability engineering. In the analysis and evaluation of reliability for the given life testing data, two-parameter Weibull distribution is of- ten due to Its sample solvability. But it takes more evaluated error. Using three-parameter Weibull distribution to fitting and estimating parameters for some machinery parts with property of loss fail- ure can be more precision. Therefore three-parameter Weibull distribution can show more actual reliability of the products than two-paramater Weibull distribution. |
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| Keywords: | Weibull distribution fitting evaluate parameter |
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