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Reliability evaluation of generalized phased-mission systems with repairable components

机译：具有可修复组件的广义相控系统的可靠性评估

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摘要

Existing methodologies for generalized phased-mission system (GPMS) are applicable mainly to non-reparable systems. This paper proposes an analytical approach to evaluate the reliability of phased-mission systems (PMS) considering both combinatorial phase requirements (CPR) and repairable components. The CPR is analyzed by decomposing the overall mission success into the corresponding system behavior in each phase. The system behavior is further decomposed into components' behaviors which can be described by continuous time Markov chains (CTMC). As a result, a large number of redundant states can be excluded from the model, rather than incorporating all states like traditional Markovian approaches do. Therefore, the size of the resulting model does not grow exponentially as the number of components increases. In the case study, the effectiveness and correctness of our approach is demonstrated through the comparison with the traditional CTMC approach.
机译：广义相控系统（GPMS）的现有方法主要适用于不可修复的系统。本文提出一种分析方法来评估相控系统（PMS）的可靠性，同时考虑组合相要求（CPR）和可维修组件。通过将总体任务成功分解为每个阶段的相应系统行为来分析CPR。系统行为进一步分解为组件的行为，可以通过连续时间马尔可夫链（CTMC）来描述。结果，可以从模型中排除大量冗余状态，而不是像传统的马尔可夫方法那样合并所有状态。因此，结果模型的大小不会随着组件数量的增加而呈指数增长。在案例研究中，通过与传统CTMC方法的比较证明了我们方法的有效性和正确性。

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