轨道交通车-地数据多通道传输方式研究
陈美霞张金磊戴国琛陈志蒋陵郡梁汝军陈昊
Research on Rail Transit Vehicle-wayside Multi-channel Data Transmission Methods
CHEN MeixiaZHANG JinleiDAI GuochenCHEN ZhiJIANG LingjunLIANG RujunCHEN Hao
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作者信息:中车南京浦镇车辆有限公司， 210031, 南京
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Affiliation:CRRC Nanjing Puzhen Co., Ltd., 210031, Nanjing, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.05.016
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中图分类号/CLCN:U231+.7
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栏目/Col:研究报告
摘要:
［目的］随着轨道交通车辆投入使用得越来越多，数据的维护工作量也越来越大，原有的数据落地方式存在诸多弊端，需研究新的数据传输方式，以降低列车的故障率。 ［方法］通过对Wi-Fi和4G技术的比较，确定两种技术均可使用；考虑正线和车辆段都需要有网络，最终确定了3个通道，用以满足在不同工况下和不同地方都能传输数据；同时为了保证数据传输的安全性，设置了一些安全措施，防止通道被攻击。［结果及结论］经试验，证明了该方案可以有效可靠地将数据下载到地面服务器，且在1条通道故障的情况下，其他通道可以继续使用，不影响数据的下传。
Abstracts:
［Objective］ With the increasing number of rail transit vehicles in operation, the maintenance workload for data is also increasing. The existing data landing methods have many drawbacks, necessitating research into new data transmission methods to reduce the failure rate of trains. ［Method］ By comparing Wi-Fi and 4G technologies, it is determined to utilize the both. Considering the need for network coverage on main lines and in depots, three channels are ultimately established to ensure data transmission under different conditions and locations. Meanwhile, to ensure the security of data transmission, several security measures are implemented to prevent channel attacks. ［Result & Conclusion］ Experimental results demonstrate that the proposed approach can effectively and reliably download data to ground servers. Moreover, in the event of a channel failure, the remaining channels can continue to operate, ensuring uninterrupted data transmission.
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