寿命服从weibull分布的系统固有可用度试验方案

摘要

为解决寿命服从weibull,修复时间服从对数正态分布的系统固有可用度检验问题,以满足承制方和使用方风险为要求,以最小试验样本量和判定临界值确定方法为研究重点,将装备状态分为交替进行的开机与修复2种,设计了固有可用度定数截尾试验方案.通过实例计算,演示了具体试验方案的制定和可用度判定过程.%In order to solve problem about how to test inherent availability of system with weibull operating time and lognormal repair time, an inherent availability test procedure with fixed sample size is presented. The test procedure which should meet stated levels of producer's and consumer's risk, is divided into alternate operating and repair test. And, minimal sample size and critical value calculation method research is regarded as key point. Process of material test procedure designing and availability-testing is described by example analysis.