【摘 要】
：
评述两种不同的多阶段任务系统可靠性分析方法:多阶段任务系统的双值决策图组合式方法和马尔科夫链方法.如果多阶段任务系统的每一阶段是静态的,最好采用组合式方法解决;如果
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评述两种不同的多阶段任务系统可靠性分析方法:多阶段任务系统的双值决策图组合式方法和马尔科夫链方法.如果多阶段任务系统的每一阶段是静态的,最好采用组合式方法解决;如果其中的一些阶段是动态的,不全是静态的,可能只采用马尔科夫链方法,也可能采用既有组合式又有马尔科夫链的混合式方法.通过研究部件跨阶段依赖性的特征和混合式方法的特点,针对部件失效服从指数分布和系统失效满足一定条件,提出相应的简便算法.这种算法综合了多种成熟的可靠性分析方法,通过案例分析充分说明它的低运算量和容易实施的特点.
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