计算机科学 ›› 2016, Vol. 43 ›› Issue (10): 53-56, 62.doi: 10.11896/j.issn.1002-137X.2016.10.009

• 2015 第五届全国可信计算学术会议 • 上一篇    下一篇

基于动态故障树的AFDX网络性能可靠性分析

孙利娜,黄宁,张朔   

  1. 北京航空航天大学可靠性与系统工程学院 北京100191,北京航空航天大学可靠性与系统工程学院 北京100191;北京航空航天大学可靠性与环境工程技术重点实验室 北京100191,北京航空航天大学可靠性与系统工程学院 北京100191
  • 出版日期:2018-12-01 发布日期:2018-12-01

Performance Reliability Analysis of AFDX Network Based on Dynamic Fault Tree

SUN Li-na, HUANG Ning and ZHANG Shuo   

  • Online:2018-12-01 Published:2018-12-01

摘要: AFDX网络是现代飞机集成的基础,其性能可靠性是飞机高可靠运行的保证。当前的研究虽然进行了性能评估或预测,但并没有针对网络故障所具有的相互影响、传播、依赖等特点深入研究,更缺乏对性能可靠性进行评估的方法。提出一种基于业务的动态故障树建模方法,对AFDX网络的数据传输是否及时、完整及传输次序、到达源端是否正确等性能可靠性问题的故障原因及故障模式进行了分析和建模,给出了一种量化计算方法。分析思路和方法对AFDX网络设计、动态故障树建模、可靠性分析和评估都有较好的意义和借鉴作用。

关键词: AFDX网络,性能可靠性,业务,动态故障树

Abstract: AFDX network is the foundation of modern aircraft integration,and its performance reliability ensures the high reliability of aircraft operations.The current study analyzes the reliability issues from the perspective of perfor-mance evaluation and prediction,but fails to delve into the features such as interacting,communication and dependency of network fault.This paper proposed a dynamic fault tree modeling method based on practical application.It analyzes and models the causes of failure and failure modes of AFDX network’s data transmission.A quantitative calculation method was given.The analysis and method in this paper are of great significance and provide a reference to AFDX network design,dynamic fault tree modeling,reliability analysis and evaluation.

Key words: AFDX network,Performance reliability,Application,DFT

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