Stress - strength interference model of structure reliability is introduced to analyze human reliability . the decrease speed of strength with time is studied by the human stress - strength interference model , and its probability density function is derived . similar to engineering reliability analysis method , ucav system reliability diagram and fault tree are presented , fmeca is also performed 論文的第二部分研究無人作戰(zhàn)飛機系統(tǒng)的可靠性分析,在對人的差錯的原因深入分析的基礎上,建立了人的通用差錯模型,借鑒結構可靠性分析方法,建立了人的可靠性的應力強度模型,推導了強度隨時間下降速率的概率分布;運用工程可靠性分析方法,建立了無人作戰(zhàn)飛機系統(tǒng)的可靠性框圖、故障樹,并且做了人的差錯的故障模式影響分析。