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时间触发CAN总线实时性分析及评估方法

夏继强 薛利强 满庆丰

夏继强, 薛利强, 满庆丰等 . 时间触发CAN总线实时性分析及评估方法[J]. 北京航空航天大学学报, 2012, (2): 222-227.
引用本文: 夏继强, 薛利强, 满庆丰等 . 时间触发CAN总线实时性分析及评估方法[J]. 北京航空航天大学学报, 2012, (2): 222-227.
Xia Jiqiang, Xue Liqiang, Man Qingfenget al. Real-time analysis and assessment method of time-triggered CAN-bus[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (2): 222-227. (in Chinese)
Citation: Xia Jiqiang, Xue Liqiang, Man Qingfenget al. Real-time analysis and assessment method of time-triggered CAN-bus[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (2): 222-227. (in Chinese)

时间触发CAN总线实时性分析及评估方法

基金项目: 国家863计划资助项目(2007AA041407,2008AA040207); 重庆市科技计划项目资助(CSTC,2009AB2163)
详细信息
  • 中图分类号: TP 273+ .5

Real-time analysis and assessment method of time-triggered CAN-bus

  • 摘要: 针对目前时间触发控制器局域网(CAN,Controller Area Network)总线缺乏统一评估方法的现状,提出了一套系统建立与评估方案.采用均匀装载算法建立系统调度矩阵,实现了周期信息的实时传输.结合CAN总线的传输机制与时间触发的特点,改进了时间触发系统中非周期信息最坏延迟的计算方法.在此基础上针对不满足系统实时性要求的信息提出了计算其失效概率的方法,建立了时间触发CAN总线系统的设计与评估流程,提出了系统参数调整方案.评估方案能够提高设计效率,利用信息失效概率以及最坏延迟对系统实时性进行分析,使分析结果更加精确、实用.

     

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出版历程
  • 收稿日期:  2010-10-19
  • 网络出版日期:  2012-02-29

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