期刊
RELIABILITY ENGINEERING & SYSTEM SAFETY
卷 228, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ress.2022.108814
关键词
PH distribution; K -mixed redundancy strategy; Reliability; Multiple vacation
资金
- National Natural Science of China
- Fundamental Research Program of Shanxi Province Scientific
- Technological Innovation Programs of Higher Education Institutions in Shanxi
- [71601101]
- [72001026]
- [20210302124310]
- [2020L0463]
This paper proposes a three-component repairable system under K-mixed redundancy strategy with unreliable switching failure and studies the reliability performance of the system. By adopting a multiple vacation policy of the repairman, the human resources can be fully utilized. The reliability indexes of the system are obtained through matrix-analytic method, and the results are validated through numerical examples.
In this paper, a three components repairable system under K-mixed redundancy strategy with unreliable switching failure is proposed, in which the lifetimes of components, the repair time of failure components and the vacation time are distributed with different phase-type (PH) distributions. The multiple vacation policy of the repairman is adopted so that the human resources can be fully utilized. The proposed repairable system model is studied in both transient and stationary regimes with matrix-analytic method. Some reliability indexes are obtained by employing Kronecker operator theory and aggregated stochastic theory. Finally, a numerical example and a comparison analysis between K-mixed redundancy strategy model and mixed redundancy strategy model are implemented to illustrate the results obtained in the paper.
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