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噪声干扰下基于二维特征图和深度残差收缩网络的齿轮箱故障诊断
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2020年重庆工商职业学院科学研究重点项目(NDZD2020-03);2019 重庆市教委科学技术研究项目(KJQN201904001)


Gearbox Fault Diagnosis Based on Two-Dimensional Feature Map and Deep Residual Contraction Network with Noise Interference
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    摘要:

    针对噪声环境下一维卷积神经网络单一卷积拓扑结构难以准确诊断齿轮箱故障的难题,提出一种基于二维特征图和深度残差收缩网络 (TM-DRSN) 的故障诊断方法。根据采集到的齿轮箱振动信号,基于重叠采样方法获取故障数据样本,并分为训练集和测试集;基于横向插样法将一维数据样本构建成便于DRSN输入的二维特征图,在DRSN输入层构建宽卷积核层作为第一特征提取层;将残差收缩模块加入深度卷积神经网络中替换由传统卷积和池化组成的特征提取层;叠加多个残差收缩模块得到深度残差收缩网络模型;将构建的DRSN用于噪声环境下的轴承故障诊断试验。结果表明:TM-DRSN方法的故障诊断精度优于其他对比方法。

    Abstract:

    Aiming at the difficulty of accurately diagnosing gearbox faults with a single convolutional topology of a one-dimensional convolutional neural network in noisy environment,a two-dimensional feature map and deep residual shrinkage network (TM-DRSN) fault diagnosis method was proposed.The fault data samples were obtained based on the overlap sampling method according to the collected gearbox vibration signals,which were divided into training set and test set;based on the lateral interpolation method,one-dimensional data samples were constructed into two-dimensional feature maps which were convenient for DRSN input,and a large convolution kernel layer was constructed in the DRSN input layer as the first feature extraction layer;the residual shrinkage module was added to the deep convolutional neural network to replace the feature extraction layer composed of traditional convolution and pooling;multiple residual shrinkage modules were superimposed to obtain the deep residual shrinkage network model;the constructed DRSN was used in the bearing fault diagnosis test under noisy environment.The results show that the fault diagnosis accuracy of the TM-DRSN method is better than other comparison methods.

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李晓峰,向辉,杨青桦.噪声干扰下基于二维特征图和深度残差收缩网络的齿轮箱故障诊断[J].机床与液压,2022,50(7):187-191.
LI Xiaofeng, XIANG Hui, YANG Qinghua. Gearbox Fault Diagnosis Based on Two-Dimensional Feature Map and Deep Residual Contraction Network with Noise Interference[J]. Machine Tool & Hydraulics,2022,50(7):187-191

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  • 在线发布日期: 2023-02-22
  • 出版日期: 2022-04-15