| 基于权重系数的液体火箭发动机可靠性验证方案 |
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| 引用本文： | 李进,赵宇,李文钊,杨军.基于权重系数的液体火箭发动机可靠性验证方案[J].航空动力学报,2011,26(4):931-934. |
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| 作者姓名： | 李进 赵宇 李文钊 杨军 |
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| 作者单位： | 1. 北京航空航天大学可靠性与系统工程学院,北京,100191
2. 中国运载火箭技术研究院北京宇航系统工程研究所,北京,100076 |
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| 摘 要： | 针对现在液体火箭发动机的任务可靠度验证方案不考虑开、关机的影响或试验时间较长的问题,利用权重系数模型,综合了典型的利用二项分布和利用威布尔分布分别制定出的可靠性验证试验方案,提出了制定液体火箭发动机可靠性验证方案的方法.该方法可以在既考虑了发动机的持续时间的验证又兼顾了开机和关机过程的前提下制定出液体火箭发动机可靠性验...
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| 关 键 词： | 液体火箭发动机 可靠性验证 二项分布 威布尔分布 权重系数 |
| 收稿时间： | 2010/3/18 0:00:00 |
| 修稿时间： | 2010/11/16 0:00:00 |
Reliability compliance test plans for liquid-propellant rocket engine based on weighting factors |
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| LI Jin,ZHAO Yu,LI Wen-zhao and YANG Jun.Reliability compliance test plans for liquid-propellant rocket engine based on weighting factors[J].Journal of Aerospace Power,2011,26(4):931-934. |
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| Authors: | LI Jin ZHAO Yu LI Wen-zhao and YANG Jun |
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| Institution: | School of Reliability and Systems Engineering, Beijing University of Aeronautics and Astronautics,Beijing 100191,China;School of Reliability and Systems Engineering, Beijing University of Aeronautics and Astronautics,Beijing 100191,China;Beijing Institute of Astronautical Systems Engineering, China Academy of Launch Vehicle Technology,Beijing 100076,China;School of Reliability and Systems Engineering, Beijing University of Aeronautics and Astronautics,Beijing 100191,China |
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| Abstract: | The problem of liquid-propellant rocket engine's reliability compliance test plans at present is that ignoring the processes of firing and shutdown or the test taking too long.To solve this problem,considering typical compliance test plans of binomial distribution and Weibull distribution,using the weighting factors,the method of reliability compliance test plan developing was provided.The duration of firing was verified in this reliability compliance test plans developing method,at the same time the processes of firing and shutdowns were also considered.This reliability compliance test plan utilized development information and saved the test time and cost. |
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| Keywords: | liquid-propellant rocket engine reliability compliance |
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