基于CAN总线的汽车电子系统传输网络设计

在分析传统的汽车电子控制系统数据传输网络优缺点的基础上，介绍了机动平台系统中的总线技术及应用现状，给出了一种基于CAN总线的整车数据传输网络的硬件设计方案，对系统数据传输网络的总体结构、CAN总线的节点设置、节点及中央控制与CAN总线的接口电路做了详细说明与分析。结果表明，CAN总线汽车电子系统数据传输网络是一种解决汽车电子控制信息传输的有效方法，可以简化系统结构、提高可靠性和提升系统的整体性能，能更好地满足汽车电子控制系统的应用需要。

Design of Data Transmission Networks Based on CAN Bus for Automobile Electronic System

This paper analyzes the virtues and defects of the data transmission network for traditional automobile electronic control systems, and introduces the data bus technique of the moving platform and its applications. Based on CAN fieldbus, this paper presents a kind of hardware design scheme of data transmission network for automobile electronic control system. The proposed scheme describes the overall architecture, distribution and interface circuit of the node, interface circuit of the gateway and the function of each node of the system in detail. It is pointed out that the scheme of CAN bus network is an effective and efficient method of information transmission, and it can efficiently simplify system structure, raise reliability, improve performance of whole system; it can meet the practical need of automobile electronic control system. 1 tab, 3 figs, 7 refs.