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监测数据驱动的城轨列车轴箱轴承剩余寿命预测

王彪 秦勇 贾利民 程晓卿 曾春平 高一凡

王彪, 秦勇, 贾利民, 程晓卿, 曾春平, 高一凡. 监测数据驱动的城轨列车轴箱轴承剩余寿命预测[J]. 西南交通大学学报, 2024, 59(1): 229-238. doi: 10.3969/j.issn.0258-2724.20220230
引用本文: 王彪, 秦勇, 贾利民, 程晓卿, 曾春平, 高一凡. 监测数据驱动的城轨列车轴箱轴承剩余寿命预测[J]. 西南交通大学学报, 2024, 59(1): 229-238. doi: 10.3969/j.issn.0258-2724.20220230
WANG Biao, QIN Yong, JIA Limin, CHENG Xiaoqing, ZENG Chunping, GAO Yifan. Monitoring Data-Driven Prediction of Remaining Useful Life of Axle-Box Bearings for Urban Rail Transit Trains[J]. Journal of Southwest Jiaotong University, 2024, 59(1): 229-238. doi: 10.3969/j.issn.0258-2724.20220230
Citation: WANG Biao, QIN Yong, JIA Limin, CHENG Xiaoqing, ZENG Chunping, GAO Yifan. Monitoring Data-Driven Prediction of Remaining Useful Life of Axle-Box Bearings for Urban Rail Transit Trains[J]. Journal of Southwest Jiaotong University, 2024, 59(1): 229-238. doi: 10.3969/j.issn.0258-2724.20220230

监测数据驱动的城轨列车轴箱轴承剩余寿命预测

doi: 10.3969/j.issn.0258-2724.20220230
基金项目: 国家自然科学基金(61833002-3)
详细信息
    作者简介:

    王彪(1992—),男,讲师,博士,研究方向为智能剩余寿命预测与健康管理,E-mail: wbiao@bjtu.edu.cn

    通讯作者:

    秦勇(1971—),男,教授,博士,研究方向为交通控制与安全,E-mail: yqin@bjtu.edu.cn

  • 中图分类号: U264.8

Monitoring Data-Driven Prediction of Remaining Useful Life of Axle-Box Bearings for Urban Rail Transit Trains

  • 摘要:

    城轨列车轴箱轴承的运行工况复杂多变、外部随机干扰频繁,导致其监测数据中包含大量测量噪声乃至“脏”数据,进而制约了剩余寿命预测模型的精度. 为解决上述问题,提出了一种监测数据驱动的动态多重聚合剩余寿命预测方法. 首先,通过度量短时数据的幅值分布相似性自动识别并清洗“脏”数据;然后,将健康指标按不同时间尺度进行动态聚合,预测出各类潜在的未来退化轨迹,进而获得轴箱轴承的剩余寿命预测均值与方差;并使用现场实测数据与加速寿命实验数据对提出方法进行验证. 结果表明:所提方法能有效剔除监测数据中的空采数据和强干扰数据;剩余寿命预测均值随累计行驶里程的增加逐渐收敛到真实值,且95%置信区间越来越窄;相比于单指数预测模型和混合预测模型,提出方法的累计相对精度平均值分别提高了29.78%和27.63%,预测收敛速度平均值分别增加了10.56%和10.20%.

     

  • 图 1  可用监测数据与异常监测数据示例

    Figure 1.  Examples of usable and abnormal monitoring data

    图 2  切片式幅值分布相似性度量示例

    Figure 2.  Similarity measurement between different slicing signals

    图 3  轴箱轴承上安装的监测传感器

    Figure 3.  Monitoring sensors installed on an axle box bearing

    图 4  轴箱轴承故障照片

    Figure 4.  Photographs of axle-box bearing faults

    图 5  轴箱轴承全寿命周期振动信号

    Figure 5.  Life-cycle vibration signals of axle-box bearings

    图 6  异常数据清洗效果

    Figure 6.  Illustration of abnormal data cleaning results

    图 7  轴箱轴承全寿命周期健康指标

    Figure 7.  Life-cycle health indicators of axle-box bearings

    图 8  不同采样时刻下的轴箱轴承未来退化轨迹拟合结果

    Figure 8.  Degradation trajectory fitting results of axle-box bearings under different sampling times

    图 9  轴箱轴承剩余寿命预测结果

    Figure 9.  Remaining useful life prediction results of axle-box bearings

    表  1  提出方法与现有方法的预测性能对比

    Table  1.   Performance comparison between the proposed method and existing prediction methods

    预测
    方法
    CRACS
    #15902-007#15903-003#15902-007#15903-003
    方法 1[14] 0.5263 0.6531 2.7034 3.1343
    方法 2[11] 0.3354 −0.1859 2.8750 4.0607
    方法 3[9] 0.6261 0.5731 2.5139 3.3002
    提出方法 0.7818 0.7488 2.3817 2.8369
    下载: 导出CSV

    表  2  3种不同预测方法的CRA值对比

    Table  2.   CRA value comparison of three prediction methods

    轴承编号失效位置文献[9]文献[16]提出方法
    Ber 1_1外圈0.90100.91860.9272
    Ber 1_2外圈0.88640.89920.9133
    Ber 1_3外圈0.88200.86630.9006
    Ber 1_4保持架0.73400.79760.8187
    Ber 1_5内、外圈0.85670.82930.8670
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-03-31
  • 修回日期:  2022-07-03
  • 网络出版日期:  2022-12-17
  • 刊出日期:  2022-07-07

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