宝来车的CAN总线特点分析

Analysis of the Characteristics of the CAN Bus on Bora

针对宝来车上的CAN总线技术,分析了CAN总线的组成、结构和工作特点。车上采用驱动系统CAN总线(高速)和车身系统CAN总线(低速),通过“网关”实现资源共享,同时宝来车解决了CAN协议中低优先权的帧可能长时间得不到发送的问题,增强了整个系统的容错能力,提高了宝来汽车的动力性、经济性、安全性、可靠性和舒适性。

Aiming at the application of the technology of Bora＇s CAN bus the paper analyzes the constitution, structure and work traits of CAN bus. Bora adopts two CAN buses, eontaining driving system CAN bus （high speed） and bodywork system CAN bus （low speed）, which carry out resource- sharing by gateway. Both of them enhance its power performance, economical performance, security and comfort.