基于可靠性图的可靠性评估算法的研究

Research on assessment of reliability algorithms for reliability graph

对可靠性评估算法的研究是可靠性研究的重要组成部分。在已有工作的基础上,提出了一种改进的建模方法是N-存在门逻辑的可靠性模型。该模型同时考虑到门逻辑关系和组件间的依赖对系统可靠性的影响,并给出了一个统一的算法思想。该算法与存在门逻辑的可靠性图方法进行了纵向对比,与COBAREA方法进行了横向对比,对比结果表明了该算法可有效地计算出系统的可靠性,且精确度更高。

It is a important part of the research of reliability to do research on Reliability assessment algorithm.Based on the existing works,the paper presents a modified model method,N-reliability graph with general gates model.Not only has the model taken the gate logic relationship and dependencies between components that impact the reliability of system into account,but also has given a unified algorithm ideas.This algorithm both make a longitudinal comparison with the reliability graph method which contains gate logic and make a horizontal comparison with COBAREA method.The results show that the algorithm can effectively calculate the system reliability and the precision is higher.