基于ISO 11992标准的主挂车间容错通信浅析

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【摘  要】随着车辆电气化程度的提高，商用车主车和挂车间的连接由原来的机械连接逐步替换成电气连接。文章介绍国际通用标准中对主车和挂车间的专用通信要求，包含通信电压、通信的容错模式以及该协议的应用优势。

【关键词】单双线运行模式;商用车;挂车;协议;CAN

中图分类号：U463.6    文献标识码：A    文章编号：1003-8639（ 2024 ）09-0072-03

Requirements for Communication Between Tractor and Trailer Based on ISO 11992 Standard

ZHANG Yixin，WANG Yuanbo，CHEN Zilin

（Shaanxi Heavy Duty Automobile Co.，Ltd.，Automobile Engineering Research Institute，Xi'an 710200，China）

【Abstract】With the improvement of vehicle electrification，the connection between tractor and trailer of commercial vehicle is gradually switched from the original mechanical connection to the electrical connection. This paper introduces the special communication requirements of the international general standard between tractor and trailer，including the communication voltage，the fault-tolerant mode of communication and the application advantages of the requirements.

【Key words】single-and double-line operation mode;commercial vehicle;trailer;protocol;CAN

1  概述

ISO 11992协议定义了主车和挂车之间的通信要求，共包含4部分：通信的物理层、制动和行驶系应用层、制动和行驶系之外的设备应用层、诊断通信。（剩余3545字）