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复杂系统可靠性分析的功能参数树方法
引用本文:李析灿,冯静,周经伦.复杂系统可靠性分析的功能参数树方法[J].兵工自动化,2006,25(11):66-68.
作者姓名:李析灿  冯静  周经伦
作者单位:国防科技大学,信息系统与管理学院,湖南,长沙,410073
摘    要:功能参数树模型包括功能、性能指标和部件.它将复杂系统可靠性功能分解并映射到性能指标上,再将性能指标映射到部件上,依次构成树状模型.通过产品性能试验中得到的各性能指标,判断各功能(突发或退化)失效形式.突发失效,可直接利用部件可靠性计算系统可靠性.退化失效,可采用轨道曲线拟合法并基于指定退化临界值进行可靠性推断.

关 键 词:功能参数树模型  复杂系统可靠性  性能指标  退化失效  复杂系统  可靠性分析  功能参数  树方法  Complex  Systems  Method  of  Tree  Parameter  Function  Modeling  临界值  曲线拟合法  轨道  退化失效  可靠性计算  直接利用  失效形式  判断  性能试验  产品
文章编号:1006-1576(2006)11-0066-03
收稿时间:2006-08-03
修稿时间:2006-09-12

Function Parameter Tree Method of Complex Systems' Reliability Modeling
LI Xi-can,FENG Jing,ZHOU Jing-lun.Function Parameter Tree Method of Complex Systems'''' Reliability Modeling[J].Ordnance Industry Automation,2006,25(11):66-68.
Authors:LI Xi-can  FENG Jing  ZHOU Jing-lun
Abstract:The function parameter tree model includes function, performance index and components. It decomposed the reliability function of complex system and mapped to performance index. Then, the performance index mapped to components and constructed tree modeling in turn. According to the performance indexes in product performance test, the invalidation forms of function (outburst or degeneration) were estimated. When degeneration invalidated, the components reliability was used to calculate the system reliability directly. When degeneration invalidated, the orbit curve fitting method was adopted to carry out reliability deducing based on degeneration critical value.
Keywords:Function parameter tree model  Complex system reliability  Performance index  Degeneration invalidation
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