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工程设计学报  2026, Vol. 33 Issue (3): 390-397    DOI: 10.3785/j.issn.1006-754X.2026.05.187
可靠性与保质设计     
列车控制中心系统多态可靠性分析
吴限1(),祁文哲1(),齐金平1,2,彭甜3,于强业1
1.兰州交通大学 机电工程学院,甘肃 兰州 730070
2.兰州交通大学 研究院,甘肃 兰州 730070
3.中车大同电力机车有限公司 研究院,山西 大同 037006
Multi-state reliability analysis of train control center system
Xian WU1(),Wenzhe QI1(),Jinping QI1,2,Tian PENG3,Qiangye YU1
1.School of Mechanical and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
2.Research Institute, Lanzhou Jiaotong University, Lanzhou 730070, China
3.Research Institute, CRRC Datong Electric Locomotive Co. , Ltd. , Datong 037006, China
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摘要:

列车控制中心的故障模式具有动态性和多态性,而传统连续时间贝叶斯网络无法有效解决多态的问题,且在实际工程中存在故障数据缺失等情况,难以获得准确的故障数据。为此,提出了一种结合超椭球T-S故障树和贝叶斯网络的可靠性分析方法。首先,利用超椭球模型对底事件的概率区间进行约束,以解决数据不确定性的问题;其次,基于T-S故障树构造贝叶斯网络模型,用模糊数描述节点的多故障状态;最后,采用所提出的方法对列车控制中心系统的可靠性进行分析,通过正向推理得到了系统运行中各状态的概率曲线,通过后验概率分析识别了系统的薄弱环节。研究结果表明:相较于传统区间T-S故障树,所提出方法的分析精度与推理能力均有所提升,同时正向推理及后验概率分析结果可为列车控制中心的维护与可靠性优化提供理论支持。

关键词: 列车控制中心超椭球模型贝叶斯网络多故障状态可靠性分析    
Abstract:

Due to the dynamic and polymorphic characteristics of fault modes in train control center, traditional continuous-time Bayesian network fails to effectively address the the issue of polymorphism. Moreover, missing fault data in practical engineering makes it difficult to obtain accurate fault data.To overcome these challenges, this paper proposed a reliability analysis method integrating hyper-ellipsoidal T-S fault tree with Bayesian network.Firstly, the hyper-ellipsoid model was employed to constrain the probability interval of bottom events, in order to address the issue of data uncertainty.Secondly, a Bayesian network model was constructed based on the T-S fault tree, and the fuzzy numbers were used to characterize multiple fault states of the nodes. Finally, the proposed method was used to analyze the reliability of the train control center system. Through forward reasoning, the probability curves for each state during the system operation were obtained. Through posterior probability analysis, the vulnerable components of the system were identified.The research results demonstrated that compared with the conventional interval T-S fault tree, the analysis accuracy and reasoning capability of the proposed method had been improved. Additionally, the forward reasoning and posterior probability analysis results can provide theoretical support for the maintenance and reliability optimization of the train control center.

Key words: train control center    hyper-ellipsoid model    Bayesian network    multiple fault state    reliability analysis
收稿日期: 2025-09-04 出版日期: 2026-06-27
CLC:  U 284  
基金资助: 国家自然科学基金资助项目(72361019)
通讯作者: 祁文哲     E-mail: 956079218@qq.com;qiwz@mail.lzjtu.cn
作者简介: 吴 限(2001—),男,硕士生,从事列车控制中心系统可靠性研究,E-mail: 956079218@qq.com
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引用本文:

吴限,祁文哲,齐金平,彭甜,于强业. 列车控制中心系统多态可靠性分析[J]. 工程设计学报, 2026, 33(3): 390-397.

Xian WU,Wenzhe QI,Jinping QI,Tian PENG,Qiangye YU. Multi-state reliability analysis of train control center system[J]. Chinese Journal of Engineering Design, 2026, 33(3): 390-397.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2026.05.187        https://www.zjujournals.com/gcsjxb/CN/Y2026/V33/I3/390

图1  二维超椭球模型与二维区间模型对比
图2  T-S故障树向贝叶斯网络映射
规则x1x2y
δty-t1δty-t2
0.510.51
111110101
210.520.50010
310.5210010
41120.50010
511210001
620.510.51000
720.5111000
82110.51000
921110100
表1  与门条件概率表
图3  列控中心系统贝叶斯网络模型
编号底事件编号底事件
x1轨道电路通信故障x6

相邻列控中心

通信故障

x2调度集中通信故障x7安全主机单元故障
x3地面电子通信故障x8驱动采集单元故障
x4计算机联锁通信故障x9冗余电源单元故障
x5临时限速服务器通信故障
表2  列控中心系统底事件组成
编号证据区间概率/(10-5次/h)编号证据区间概率/(10-5次/h)
x1[1.592, 3.334]x6[0.204, 1.947]
x2[0.303, 2.045]x7[1.225, 2.967]
x3[0.899, 2.641]x8[2.256, 3.998]
x4[0.207, 1.949]x9[1.225, 2.967]
x5[0.205, 1.948]
表3  列控中心系统底事件证据区间概率
编号超椭球模型约束区间概率/(10-5次/h)编号超椭球模型约束区间概率/(10-5次/h)
x1[1.843, 2.235]x6[1.038, 1.107]
x2[1.021, 1.299]x7[1.491, 2.598]
x3[1.663, 1.857]x8[2.702, 3.482]
x4[1.001, 1.141]x9[2.157, 2.714]
x5[1.023, 1.121]
表4  列控中心系统底事件超椭球模型约束区间概率
规则y7y8y9y10y
δty-?ty7δty-?ty8δty-?ty9δty-?ty10
0.51
111213140.510000
21121314110000
311214130.510000
41121413110000
511314120.510000
61131412110000
711312140.510000
81131214110000
??????????
4741312110.500010
484131211100001
表5  叶节点 y 条件概率表
图4  列控中心系统三态概率曲线
图5  列控中心系统完全故障概率上下限曲线
编号0.51
0.510.51
x10.182 00.165 50.086 50.172 0
x20.033 80.046 60.015 60.032 8
x30.078 10.045 80.033 60.080 1
x40.036 60.034 20.019 50.038 6
x50.036 60.034 20.019 50.038 6
x60.036 60.034 20.019 50.038 6
x70.058 60.041 40.036 40.064 6
x80.263 00.141 60.130 20.242 0
x90.323 00.336 30.144 00.293 0
表6  列控中心系统根节点多态后验概率 (of train control center system)
  
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