[1]郭 涛,申 萍,王立德,等.梯形高可靠列车通信网络冗余结构分析[J].机车电传动,2020,(02):91-87.[doi:10.13890/j.issn.1000-128x.2020.02.017]
 GUO Tao,SHEN Ping,WANG Lide,et al.Analysis of Redundant Structure of Highly Reliable Train CommunicationNetwork Based on Ladder Topology[J].Electric Drive for Locomotives,2020,(02):91-87.[doi:10.13890/j.issn.1000-128x.2020.02.017]
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梯形高可靠列车通信网络冗余结构分析()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年02期
页码:
91-87
栏目:
研究开发
出版日期:
2020-03-10

文章信息/Info

Title:
Analysis of Redundant Structure of Highly Reliable Train CommunicationNetwork Based on Ladder Topology
文章编号:
1000-128X(2020)02-0081-07
作者:
郭 涛申 萍王立德聂晓波简 捷
(北京交通大学 电气工程学院,北京 100044)
Author(s):
GUO Tao SHEN Ping WANG Lide NIE Xiaobo JIAN Jie
( School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China )
关键词:
高速列车以太网动态故障树分析k- 端连通LadderTCN 可靠性
Keywords:
high-speed train Ethernet DFTA K-terminal connectivity ladder TCN reliability
分类号:
TP393.02;U292.91+4
DOI:
10.13890/j.issn.1000-128x.2020.02.017
文献标志码:
A
摘要:
文章构建了一种高可靠的列车通信网络梯形冗余结构的组网方案,分析了该网络的故障保护及冗余切换机制。针对梯形网络这种复杂列车通信网络,提出了一种基于K-端连通性检测简化的动态故障树分析方法,并利用二元决策图简化了故障树计算过程。文章提出的算法综合考虑了通信网络中系统结构、组件的动态修复情况以及拓扑结构对于网络可靠性的影响,简化了故障树模型建模和计算过程。文章采用提出的算法对梯形冗余网络可靠性结合具体算例进行了演算分析。计算表明该梯形冗余网络在相同情景下平均故障间隔时间比采用PRP 延长 1 513.
Abstract:
A highly reliable ladder redundant structure networking scheme applied to train communication network was constructed, and the fault protection and redundant switching mechanism of the network were analyzed. For complex TCN such as ladder networks, a simplified dynamic fault tree analysis(DFTA) method based on K-terminal connectivity detection was proposed, and a binary decision diagram(BDD) was used to simplify the fault tree calculation process. The algorithm proposed comprehensively considered the system structure and dynamic repair of devices in the network and the influence of the topology on the network reliability, which simplified the modeling and calculation process of the fault tree model. The paper analyzed the proposed algorithm for the reliability of the trapezoidal redundant structure for specific examples. The results show that the ladder structure has an increase in the mean time between failures by 1 513.32 h compared to the use of PRP and 5 034.61 h longer than the use of HSR under the same scenario, which significantly improved the reliability. The networking scheme constructed in this paper and the proposed reliability modeling method provided new ideas for the structural design and reliability modeling analysis of the highly reliable train communication network.

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备注/Memo

备注/Memo:
作者简介:郭? 涛(1994—),女,硕士研究生,研究方向为列车通信以太网。
更新日期/Last Update: 2020-03-10