PERFORMANCE EVALUATION OF A PRECISE TIME SYNCHRONIZATION TECHNOLOGY FOR TRAINS

被引：0
|
作者：
Park, Pusik [1 ,2 ]
Lee, Jeongdo [1 ]
Yoon, Jongho [2 ]
机构：
[1] Korea Elect Technol Inst, Seongnam, South Korea
[2] Korea Aerosp Univ, Goyang, South Korea
来源：
ROAD AND RAIL INFRASTRUCTURE V | 2018年
关键词：
D O I：
10.5592/CO/CETRA.2018.858
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The next-generation railway network based on IEC 61375-3-4 Ethernet Consist Network (ECN) can use RFC 1305 network time protocol (NTP) for time synchronization. In an ideal case of no congestion in the local network, the time synchronization error of NTP is up to 1 ms; however, when the network experiences congestion, an error of more than 100 ms occurs. For a highspeed control of vehicles, a more precise time synchronization technology that can reduce the time synchronization error to a few microseconds is desired. In this study, we implement a precise time protocol for multiple trains connected by multi-stage ECN switches. We also evaluate its performance.
引用
收藏
页码：885 / 890
页数：6
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