Reliability Modeling of Products with Self-Recovery Features for Competing Failure Processes in Whole Life Cycle
APPLIED SCIENCES-BASEL(2023)
摘要
In light of the increasing demand for the reliability analysis of self-recovery products, with features of limited storage period and multistage degradation, a reliability evaluation model in whole life cycle is proposed. The degradation process comprises one storage phase and two working phases. On the basis of the idea of competitive failure, the shock process and the feature of self-recovery were introduced into the model. Furthermore, the problem of it being difficult to add variables to a reliability model is solved with the use of the Stieltjes integral. The influences of the parameters of model reliability are analyzed, and the results demonstrate that the new model could adequately describe the competing failure process. The model also exhibited certain feasibility and theoretical reference values.
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关键词
self-recovery,multistage degradation,whole life cycle,competing failure
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