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计算机工程 ›› 2010, Vol. 36 ›› Issue (14): 235-237. doi: 10.3969/j.issn.1000-3428.2010.14.085

• 开发研究与设计技术 • 上一篇    下一篇

FlexRay时钟同步分析

陈 涛1,2,秦贵和1,2   

  1. (1. 吉林大学计算机科学与技术学院,长春 130012;2. 吉林大学符号计算与知识工程教育部重点实验室,长春 130012)
  • 出版日期:2010-07-20 发布日期:2010-07-20
  • 作者简介:陈 涛(1984-),男,硕士研究生,主研方向:实时嵌入式系统,FlexRay总线;秦贵和,教授、博士生导师

Analysis on Clock Synchronization of FlexRay

CHEN Tao1,2, QIN Gui-he1,2   

  1. (1. Institute of Computer Science and Technology, Jilin University, Changchun 130012;2. Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012)
  • Online:2010-07-20 Published:2010-07-20

摘要: 描述FlexRay网络的基本特点及FlexRay网络时钟同步算法的具体过程,介绍FlexRay网络的容错中间点算法,提出时钟同步算法的数学模型,并对数学模型进行分析。从理论上说明FlexRay时钟同步算法具有较强的容错性和适用性。

关键词: 容错中间点算法, FlexRay网络, 时钟同步

Abstract: In order to study the characteristics of FlexRay and FlexRay clock synchronization algorithm, this paper introduces the basic features of FlexRay, as well as the basic process of FlexRay clock synchronization, and introduces the Fault-Tolerant Mid-point(FTM) algorithm, figures out the mathematical model of the clock synchronization algorithm, and the mathematical model is analyzed. Through the analysis, it shows that the FlexRay clock synchronization algorithm has a strong fault-tolerance and applicability by mathematical formula.

Key words: Fault-Tolerant Mid-point(FTM) algorithm, FlexRay network, clock synchronization

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