基于Markov/CCMT方法的数字化紧急停堆系统可靠性分析  

Reliability Analysis of Digital Emergency Shutdown System Based on Markov/CCMT Method

作　　者：陈玲[1] 陈含 张永发[1] Chen Ling;Chen Han;Zhang Yongfa(College of Nuclear Science and Technology,Naval University of Engineering,Wuhan,430033,China)

机构地区：[1]海军工程大学核科学与技术学院,武汉430033

出　　处：《核动力工程》2021年第6期155-160,共6页Nuclear Power Engineering

摘　　要：传统的可靠性分析方法在数字化仪控系统的可靠性应用中受到较多制约,需要探索新的可靠性分析方法。以数字化紧急停堆系统为研究对象,选取Markov/CCMT方法完成系统的失效建模,得到紧急停堆系统的定性分析结果;在此基础上进行定量分析以获得系统的失效率。结果表明,Markov/CCMT方法分析得到的数字化紧急停堆系统的失效率为1.3×10-6 h-1;Markov/CCMT方法在数字化仪控系统的可靠性分析中具备一定的适用性,相较于传统的可靠性分析方法对系统动态特性的表达更为全面。Traditional reliability analysis methods are more restricted in the reliability application of digital I&C systems,and new reliability analysis methods need to be explored.Taking the digital emergency shutdown system as the research object,Markov/CCMT is selected to complete the failure modeling of the system,and the qualitative analysis result of the emergency shutdown system is obtained.On this basis,quantitative analysis is performed to obtain the failure rate of the system.The results show that the failure probability of the digital emergency shutdown system analyzed by the Markov/CCMT method is 1.3×10-6 h-1,and the Marko/CCMT method has certain applicability in the reliability analysis of the digital I&C system.Compared with the traditional reliability analysis method,Markov/CCMT method is more comprehensive in the expression of the dynamic characteristics of the system.

关 键 词：可靠性分析 数字化仪控系统 Markov/CCMT方法 

分 类 号：TL364.9[核科学技术—核技术及应用]