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In this paper, a repairable system consisting of identical component is studied, both the mean time between failure (MTBF) of the component and the repair time are assumed to be exponentially distributed, Additionally, we assume that the component after a repair is “as good as new”. Maintenance strategies and the change of maintenance rate can affect the performance of the system, in order to further...
Simulation system with random factors presents new challenges to the software testing. The random factors in availability simulation system bring the uncertain running path and it is difficult for the test personnel to construct the expected output of the program. In view of this situation, this paper proposes a grey box testing method for availability simulation software based on event tree model...
In support process of equipment systems, spare inventory strategy, turnaround time, and product maintenance strategies have a great impact on system support time, and support time is one of the most important factors for the readiness and the task persistence of systems. Therefore, the use of reasonable spare inventory strategy, as well as maintenance and support decisions to systems is essential...
The maintenance support process of the equipment with failure prognostics is analyzed carefully in this paper. And the uncertainty factors which exist in this process are presented. Then they are separated into two groups: from the randomness and from the incomplete comprehend. The definitions of each group are given and researched in detail at the same time. And the quantitative analysis method of...
The dynamic characteristics and the estimation method of operational availability under general mission scenarios are researched. Though the simulation method can be used to study the time-varying operational availability, it has shortage in finding and analyzing the inherent law of operational availability. According to definition, the operational availability can be derived by the supply availability...
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