期刊
NUCLEAR ENGINEERING AND TECHNOLOGY
卷 44, 期 4, 页码 405-414出版社
KOREAN NUCLEAR SOC
DOI: 10.5516/NET.04.2012.513
关键词
Reliability; DI&C; Software Reliability; Fault Tree
In this paper, we propose a reliability estimation method for DI&C systems. At the system level, a fault tree model is suggested and Boolean algebra is used to obtain the minimal cut sets. At the component level, an exponential distribution is used to model hardware failures, and Bayesian estimation is suggested to estimate the failure rate. Additionally, a binomial distribution is used to model software failures, and a recently developed software reliability estimation method is suggested to estimate the software failure rate. The overall system reliability is then estimated based on minimal cut sets, hardware failure rates and software failure rates.
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