Chinese Journal of Ship Research, Volume. 20, Issue 2, 56(2025)

Research on fault feature enhancement and diagnosis of marine water pump bearing based on BM-MTF

Zhiqiang LIAO1,2,3, Zhende HUANG1, Xuewei SONG1,2,3, Guanlong LIANG1, and Baozhu JIA1,2,3
Author Affiliations
  • 1Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524088, China
  • 2Technical Research Center for Ship Intelligence and Safety Engineering of Guangdong Province, Zhanjiang 524088, China
  • 3Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Zhanjiang 524088, China
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    Figures & Tables(23)
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    • Table 1. Parameters of CWRU bearing

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      Table 1. Parameters of CWRU bearing

      参数数值
      内径/mm7.94
      外径/mm25.4
      宽度/mm7.94
    • Table 2. Bearing fault types (Case 1)

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      Table 2. Bearing fault types (Case 1)

      故障诊断轴承直径/in电机负载/hp电机转速/(r·min−1
      内圈故障(标签0)0.00711 772
      滚子故障(标签1)0.00711 772
      外圈故障(标签2)0.00711 772
      内圈故障(标签3)0.02111 772
      滚子故障(标签4)0.02111 772
      外圈故障(标签5)0.02111 772
      正常(标签6)0.00711 772
    • Table 3. ResNet-18 hyperparameters

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      Table 3. ResNet-18 hyperparameters

      超参数设定内容或数值
      数据集训练集80%,测试集20%
      损失函数交叉熵损失函数
      优化器Adam
      学习率0.000 1
      批次32
      迭代次数100
    • Table 4. Bearing parameters (Case 2)

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      Table 4. Bearing parameters (Case 2)

      参数数值
      滚子数量10
      滚子直径/mm6.5
      节径/mm32.25
      接触角/(°)0
    • Table 5. Bearing fault types (Case 2)

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      Table 5. Bearing fault types (Case 2)

      故障诊断电机转速/(r·min−1训练样本测试样本标签
      正常1 50080200
      内圈故障1 50080201
      外圈故障1 50080202
      滚子故障1 50080203
    • Table 6. Bearing fault types (Case 3)

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      Table 6. Bearing fault types (Case 3)

      故障诊断训练样本测试样本标签
      正常80200
      内圈故障80201
      外圈故障80202
    • Table 7. The accuracy of different encoding methods

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      Table 7. The accuracy of different encoding methods

      数据集损失函数准确度/%100轮训练的运行时间/s
      BM-MTF+ResNet-180.000 005100.001 093
      BM-MTF+CNN0.001 02698.751 311
      GAF+ResNet-180.002 74096.251 208
      GAF+CNN0.012 30886.251 623
      SDP+ResNet-180.019 67088.09262
      SDP+CNN0.017 31382.14304
      递归图+ResNet-180.009 87093.751 159
      递归图+CNN0.189 13082.141 383
    • Table 8. Comparative experimental results for the three cases

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      Table 8. Comparative experimental results for the three cases

      数据集方法准确度/%
      CWRU数据(案例1)BM-MTF100.00
      GAF69.28
      SDP96.19
      递归图98.57
      实验室平台数据(案例2)BM-MTF100.00
      GAF96.25
      SDP88.09
      递归图93.75
      水泵平台数据(案例3)BM-MTF100.00
      GAF93.33
      SDP98.94
      递归图98.33
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    Zhiqiang LIAO, Zhende HUANG, Xuewei SONG, Guanlong LIANG, Baozhu JIA. Research on fault feature enhancement and diagnosis of marine water pump bearing based on BM-MTF[J]. Chinese Journal of Ship Research, 2025, 20(2): 56

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    Paper Information

    Category: Ship Intelligent O&M, and Fault Diagnosis

    Received: Jun. 18, 2024

    Accepted: --

    Published Online: May. 15, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.04014

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