后续备件供应对系统瞬时可用性的影响研究

The Study on the Affection of Spares Supply to the System Availibality

系统可用性是用来衡量装备效能的主要指标之一。在装备系统的使用过程中,系统可用性随着时间的变化而变化,其中备件供应策略对于系统可用性有着重要的影响。研究了系统的瞬时可用度随时间的变化情况,利用马尔科夫理论推导了瞬时可用度模型,并用仿真手段对数学进行了验证,可以为系统的可用性评估及研究备件的优化配置提供一种新思路。

System availability is one mission stage, system availability is the index for evaluating the equipment effectiveness. During the changed with time, and the most important factor is spares supply policy. The purpose of the research about instantaneous availability is to provide the guidance of proper usage of equipments and a new method to assess the system availability and to make an optimized spares supply policy. The text focuses on the study of the changing of system availability under certain situation of spares supply policy, and verifies the model with simulation method. The research uses a new way to evaluate the system availability and to study the optimized confignation of spares.