中国空间科学技术

中国空间科学技术

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航天器机械可靠性特征量裕度的概率设计方法

刘志全;   

  1. 中国空间技术研究院 北京100094
  • 发布日期:2007-08-25

Probability Design Method of Margins of Safty for Reliability Characteristic Parameters of Space Mechanical Products

Liu Zhiquan(China Academy of Space Technology,Beijing 100094)   

  • Online:2007-08-25

被引次数

36

摘要： 提出了可靠性特征量裕度的概率设计方法,建立了可靠性指标、裕度系数和特征量设计值之间的定量关系,分别论述了航天器的机构传动裕度、密封件密封裕度、防热结构防热裕度、火工连接解锁装置装药裕度的概率设计方法,为航天器机械产品可靠性量化设计提供了技术途径。

关键词: 可靠性, 裕度, 机械产品, 概率, 航天器

Abstract: Quantitative relations among reliability requirments,margin coefficients and designed values of characteristic parameters were established.Probability design methods of MOS for mechanism transmissions,structure seals,structure thermal protections and pyrotechnic connecting/unlocking devices were respectively discussed.The work offers a technical approach for quantitative reliability design of space mechanical products.