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基于CAN 的某水下航行器内部网络时延统计方法研究

林轶群 刘卫东   

  1. 西北工业大学 西北工业大学
  • 收稿日期:2008-02-27 修回日期:2008-04-09 发布日期:2008-08-01 出版日期:2008-08-01
  • 通讯作者: 刘卫东

Time delay analysis of interconnection network in Unmanned Undersea Vehicles

YiQun LIN WeiDong LIN   

  • Received:2008-02-27 Revised:2008-04-09 Online:2008-08-01 Published:2008-08-01
  • Contact: Wei-Dong LIN

摘要: 结合某无人潜航器(UUV)内部网络控制系统结构,对基于控制器局域网(CAN)的网络延时做了详细分析。针对网络时延造成控制系统性能下降,影响系统稳定这一问题,提出了一种统计网络时延的方法——软件信息传输仿真法。通过仿真网络内部信息的传输过程,观察各信息的传输状况,同时记录延时数据,为基于CAN总线系统的综合性能设计提供了理论依据。

关键词: 网络延时, 控制器局域网, 信息传输

Abstract: With reference to the structure of the network control system in the UUV, the paper analyzed time delay of the network in detail. A math method for message transmission simulation was put forward. Then the simulation of message wait-time delay which is indeterminism was implemented. By the simulation figure, the states of the transmission message can be observed distinctly. Meanwhile the data of the time delay was recorded, which provided the theoretical basis for the design of general performance based on CAN.

Key words: network time delay, Controller Area Network (CAN), message transmission