融合多源先验信息的舰船备件可靠性评估

doi:10.3969/j.issn.1001-506X.2019.12.33

Systems Engineering and Electronics ›› 2019, Vol. 41 ›› Issue (12): 2905-2910.doi: 10.3969/j.issn.1001-506X.2019.12.33

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Reliability estimation for warship spares by fusing multi-source prior information

SHAO Songshi1, LIU Haitao2, ZHANG Zhihua1

1. College of Naval Architecture & Ocean Engineering,Naval University of Engineering, Wuhan 430033, China;
2. Department of Fundamentals,Naval University of Engineering, Wuhan 430033, China

Online:2019-11-25 Published:2019-11-27

Abstract

Abstract:

The reliability of warship spares may be different from the factorial designing parameters, due to the working environment of warships. With small actual consumption data, the reliability sources of the spares are analyzed, and by defining the likelihood weighting coefficient, a Bayesian estimate for the reliability of exponential spares is established via fusing multi-source prior information. The validity of the method is tested by simulation, and the results show that the information fusing method could properly fuse information and the estimate possesses acceptable precision.

Key words: reliability estimate, warship spares, information fusion, Bayesian estimate, exponential spares

SHAO Songshi, LIU Haitao, ZHANG Zhihua. Reliability estimation for warship spares by fusing multi-source prior information[J]. Systems Engineering and Electronics, 2019, 41(12): 2905-2910.

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Reliability estimation for warship spares by fusing multi-source prior information

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