【摘要】 实时以太网用于车载网络有其特有的优势,文章依据地铁列车通信网络典型结构,通过对PROFINET实时以太网协议特征、传输时延分析研究、理论计算和仿真实验,论证实时以太网络作为下一代地铁列车通信网络的可行性。更多还原

【Abstract】 Real-time Ethernet has its unique advantages in on-board network. According to the typical structure of metro train communication network, this paper demonstrated the feasibility of real-time Ethernet as the next generation of metro train communication network through the analysis of PROFINET real-time Ethernet protocol characteristics,transmission delay, theoretical calculation and simulation experiments.更多还原