基于NHPP模型的联锁软件可靠性评估  

Reliability Evaluation of Interlocking Software Based on NHPP Model

作　　者：廖亮[1] 王海峰[1] 

机构地区：[1]北京交通大学电子信息工程学院,北京100044

出　　处：《北京交通大学学报》2008年第2期113-116,共4页JOURNAL OF BEIJING JIAOTONG UNIVERSITY

基　　金：北京市科技计划资助项目(D0604003040811)

摘　　要：基于软件可靠性工程思想,深入分析了NHPP软件可靠性建模的原理,并利用NHPP模型对处于开发后期阶段的铁路信号计算机联锁软件进行可靠性评估.通过建模评估,得出了联锁软件可靠性水平的定量分析结果,为计算机联锁系统开发的管理和决策提供了科学依据.Based on the ideas of Software Reliability Engineering, this paper analyzed the principle of NHPP modeling of the software reliability in detail, and evaluates the reliability of railway signaling computer interlocking software which is on the end, stage of development by using the NHPP model. The results are given to analyze the level of software reliability and provide scientific basis for the management and decision-making of computer interlocking system＇s development.

关 键 词：计算机联锁系统 软件可靠性 NHPP模型 可靠性评估 

分 类 号：U284[交通运输工程—交通信息工程及控制]