| 基于退化轨迹未知的多退化量可靠度预测方法 |
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| 引用本文： | 朱天文,王宏力,陈坚,张立波.基于退化轨迹未知的多退化量可靠度预测方法[J].传感器与微系统,2013,32(2):53-56. |
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| 作者姓名： | 朱天文 王宏力 陈坚 张立波 |
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| 作者单位： | 第二炮兵工程大学304室,陕西西安,710025 |
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| 摘 要： | 针对退化轨迹未知的具有多种退化量的产品,研究了退化量相关和独立情况下的多性能退化量可靠度的评估方法,总结了可靠度评估的模型,引入三参数威布尔分布模型拟合方法,在不依赖于产品退化轨迹情况下,建立了具有可靠度预测模型,并对某加油车滑片泵的测试数据进行了可靠度分析,验证了方法的有效性。
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| 关 键 词： | 可靠度预测 多退化量 退化轨迹 三参数威布尔分布 |
Reliability prediction method of multiple degradations based on unknown degradation paths |
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| ZHU Tian-wen
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WANG Hong-li
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CHEN Jian
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ZHANG Li-bo.Reliability prediction method of multiple degradations based on unknown degradation paths[J].Transducer and Microsystem Technology,2013,32(2):53-56. |
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| Authors: | ZHU Tian-wen WANG Hong-li CHEN Jian ZHANG Li-bo |
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| Affiliation: | (Research Division 304,The Second Artillery Engineering University,Xi’an 710025,China) |
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| Abstract: | In order to evaluate the performance of products with multiple degradations with unknown degradation paths,the reliability evaluation method when the degradation performance is dependent or independent is put forward.The reliability models are summarized and the reliability prediction model for products with unknown degradation path is established by introducing three-parameter Weibull distribution fitting method.An example of reliability analysis of tanker truck vane pump test data is given to verify the validity of this method. |
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| Keywords: | reliability prediction multiple degradations degradation path three-parameter Weibull distribution |
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