摘要
文中对可应用于列车车载网络的一种时间敏感网络一致性测试技术进行了研究,覆盖时间同步和流量调度功能。对通用的时间敏感网络一致性测试技术进行了调查,概括了测试包括的功能项点。对列车车载网络特性进行了分析,指出单环网网络拓扑适合搭载时间敏感网络和具体的应用方式。对一致性测试规范进行了总结,包括设备级和组网级的测试。按照测试规范研究搭建了相应的测试环境,选用了支持高精度测试的网络测试仪表,分别进行了设备级和组网级的测试验证,结果表明,提出的一致性测试规范具备完备性和可操作性。
A study is conducted on time-sensitive network consistency testing technique applicable to train networks,covering time synchronization and traffic scheduling function.An investigation of general time-sensitive network consistency testing techniques is carried out,summarizing the functional aspects included in the testing.The characteristics of train networks are analyzed,highlighting the suitability of a single-ring network topology for incorporating time-sensitive networks and specific application methods.Furthermore,a summary of consistency testing specifications is provided,including device-level and network-level testing.Following these specifications,the corresponding testing environment is established,utilizing network testing instruments capable of supporting highprecision testing.Device-level and network-level testing verification are conducted separately,where results indicate that the proposed consistency testing specifications are complete and feasible.
作者
马可
穆瑞琦
张顺广
MA Ke;MU Ruiqi;ZHANG Shunguang(Beijing Zongheng Electro-Mechanical Technology Co.,Ltd.,Beijing 100094,China;Locomotive&Car Research Institute,China Academy of Railway Sciences Corporation Limited,Beijing 100081,China;State Key Laboratory for Traction and Control of EMU and Locomotives,Beijing 100081,China)
出处
《铁道机车车辆》
北大核心
2025年第1期69-76,共8页
Railway Locomotive & Car
基金
中国国家铁路集团有限公司实验室基础研究项目(L2021J003)。
作者简介
第一作者:马可(1992-),男,助理研究员;通信作者:穆瑞琦(1989-),女,助理研究员。