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A hybrid maintenance and inspection model is proposed for a series system with n+1 units subjected to two different failure patterns, which include deterioration and random shocks. The stationary laws for the failure process of the system are derived in order to evaluate the long-run average running cost on an infinite span generated by the proposed opportunistic policy. A periodic inspection is employed...
Software performance is critical for how users perceive the quality of software products. Performance bugs — programming errors that cause significant performance degradation — lead to poor user experience and low system throughput. Designing effective techniques to address performance bugs requires a deep understanding of how performance bugs are discovered, reported, and fixed. In this paper, we...
The optimal inspection and maintenance policy for the multi-unit series system with economical dependence is investigated in this paper. This system is composed of two kinds of units, which are subjected to the deterioration failure and the Poisson failure respectively. Since costs can be saved when several units are jointly repaired instead of separately, the optimal maintenance model for multi-unit...
Degradation data can provide with useful information about the reliability assessment for highly reliable products. In this paper, a method based on performance degradation data is proposed to assess reliability of high reliable long life time products. The degradation process can be described as a gamma process, and then reliability can be assessed based on analysis on failure physical mechanism...
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