摘要
随着列车运行速度的提高,新型大容量业务不断出现,带宽已成为列车通信网络传输的主要瓶颈;根据列车通信网络的发展趋势,对未来工业以太网用于列车通信网络的两种可能形式进行了探讨,提出了基于工业以太网的列车通信网络体系结构,利用网络仿真软件对列车通信网络进行了拓扑结构建模、节点建模和进程建模,利用该模型研究了车载工业以太网传输大容量信息传输过程中网络载荷、以太网时延和端到端时延等关键因素;仿真结果表明,通过合理设置网络参数,工业以太网满足列车通信网络的带宽和传输要求,环形网络在中间出现故障情况下,仍然可以保证正常的网络通信。
With the increase of train speed and the growth of onboard newly large-content traffic,bandwidth has become the primary bottleneck of train communication network（TCN）.According to the trend of the TCN development,the two kind of possible onboard network style based on industrial Ethernet in the future is discussed.The network architecture based onboard industrial Ethernet is put forword,which network topology structure model and process model is build using network simulation software,and studies its network load,delay the point-to-point key performance of the onboard network as transmission mass information.The simulation results indicate that industrial Ethernet meet the requirement of TCN bandwidth and transmission as reasonable setting network parameter,and the TCN still work normally when network failure occurring between ring onboard industrial Ethernet.
出处
《计算机测量与控制》
CSCD
北大核心
2010年第10期2417-2420,共4页
Computer Measurement &Control
基金
国家863资助项目(2009AA04Z410)
广西科技攻关项目(桂科攻0992006-4
桂科能0842006007Z)
关键词
列车通信网络
工业以太网
仿真
时延
train communication network
industrial ethernet
simulation
delay
