ITS通信系统中的现场总线应用研究

Applied Fieldbus into Communication Systems in ITS

首先概述智能交通系统中的通信问题 ,然后提出ITS中通信网络的层次结构。针对ITS底层通信中存在的问题 ,通过对现场总线技术与FF总线的分析 ,提出了一种在高层仍采用已经被广为接受的通信标准 ,而在底层则采用现场总线解决的方案。为了说明问题 ,文章介绍了笔者所建的基于FF现场总线的现场控制层通信网络概念系统。

After the communication system in ITS is introduced briefly, its hierarchy of the communication system is presented. By analyzing the strong and weak points of standardized fieldbus, a new hierarchy communication system framework is presented in the paper, in which the widely accepted standards of higher layer are kept unchanged while the lower layer taking a new solution based on modified fieldbus. In order to demonstrate the feasibility, a prototype system is introduced.