CAN总线时间同步协议测试的研究与分析

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【摘  要】CAN总线,以其卓越的特性、低廉的价格、极高的可靠性和灵活的结构,是目前车载通信中应用最广泛的总线之一。本文主要介绍CAN总线时间同步技术,对时间同步机制、时间同步报文帧进行剖析,并着重介绍时间同步的主要测试内容、测试方法等,为进一步提高总线系统运行的精度和安全性提供参考。

【关键词】CAN;总线;时钟;时间同步;测试

中图分类号:U463.6    文献标志码:A    文章编号:1003-8639( 2023 )01-0089-03

Research and Analysis of CAN Bus Time Synchronization Protocol Testing

LI Zhi-tao,GENG Wei-feng

(Baoding Technology R&D Branch of Great Wall Motor Company Limited,Baoding 071000,China)

【Abstract】CAN bus,with its excellent characteristics,low price,high reliability and flexible structure,is one of the most widely used bus in vehicle communication.This paper introduces CAN bus time synchronization technology,analyzes the time synchronization mechanism and time synchronization message frame.The main testing contents and methods of time synchronization are introduced emphatically.It provides reference for further improving the accuracy and security of bus system operation.

【Key words】controller area network;bus;clock;time synchronization;test

CAN(Controller Area Network)总线作为一种可靠的汽车计算机网络总线,已经在汽车上应用多年[1]。(剩余5239字)

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