China Mechanical Engineering ›› 2026, Vol. 37 ›› Issue (3): 656-667.DOI: 10.3969/j.issn.1004-132X.2026.03.015
HU Kun1,2(
), CHEN Zhuo2, HAN Xin3, JIANG Hao2, NIU Jie2
Received:2025-04-25
Online:2026-03-25
Published:2026-04-08
Contact:
HU Kun
通讯作者:
胡坤
作者简介:胡 坤*(通信作者),男,1981年生,教授、博士研究生导师。研究方向为带式输送机故障诊断。E-mail:hk924@126.com。
基金资助:CLC Number:
HU Kun, CHEN Zhuo, HAN Xin, JIANG Hao, NIU Jie. Fault Diagnosis Method of Belt Conveyor Roller Bearings Based on NSST4-SVD-DBN[J]. China Mechanical Engineering, 2026, 37(3): 656-667.
胡坤, 陈卓, 韩信, 蒋浩, 牛杰. 基于NSST4-SVD-DBN的带式输送机托辊轴承故障诊断方法[J]. 中国机械工程, 2026, 37(3): 656-667.
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URL: https://www.cmemo.org.cn/EN/10.3969/j.issn.1004-132X.2026.03.015
| 工况 | 带速/ (m·s-1) | 内圈故障 | 外圈故障 | 滚动体故障 | 正常 | ||||
|---|---|---|---|---|---|---|---|---|---|
| 训练集 | 测试集 | 训练集 | 测试集 | 训练集 | 测试集 | 训练集 | 测试集 | ||
| A | 1.0 | 30 | 20 | 30 | 20 | 30 | 20 | 30 | 20 |
| B | 1.5 | 30 | 20 | 30 | 20 | 30 | 20 | 30 | 20 |
| C | 2.0 | 30 | 20 | 30 | 20 | 30 | 20 | 30 | 20 |
Tab.1 Dataset construction
| 工况 | 带速/ (m·s-1) | 内圈故障 | 外圈故障 | 滚动体故障 | 正常 | ||||
|---|---|---|---|---|---|---|---|---|---|
| 训练集 | 测试集 | 训练集 | 测试集 | 训练集 | 测试集 | 训练集 | 测试集 | ||
| A | 1.0 | 30 | 20 | 30 | 20 | 30 | 20 | 30 | 20 |
| B | 1.5 | 30 | 20 | 30 | 20 | 30 | 20 | 30 | 20 |
| C | 2.0 | 30 | 20 | 30 | 20 | 30 | 20 | 30 | 20 |
| 隐含层数节点数 | 准确率/% | MAE |
|---|---|---|
| 30-16-8 | 94.85 | 0.073 |
| 64-32-16 | 96.10 | 0.060 |
| 128-64-32 | 97.25 | 0.046 |
| 256-128-64 | 97.20 | 0.050 |
| 400-200-100 | 96.05 | 0.058 |
Tab.2 Variation of DBN recognition performance with different number of hidden layer nodes
| 隐含层数节点数 | 准确率/% | MAE |
|---|---|---|
| 30-16-8 | 94.85 | 0.073 |
| 64-32-16 | 96.10 | 0.060 |
| 128-64-32 | 97.25 | 0.046 |
| 256-128-64 | 97.20 | 0.050 |
| 400-200-100 | 96.05 | 0.058 |
| 参数 | 数值 |
|---|---|
| 输入层神经元数目 | 21 |
| 输出层神经元数目 | 4 |
| RBM 层数 | 3 |
| 每层 RBM 迭代次数 | 30 |
| 第一层隐藏神经元数目 | 185 |
| 第二层隐藏神经元数目 | 75 |
| 第三层隐藏神经元数目 | 144 |
| DBN学习率 | 0.0023 |
Tab.3 DBN parameter optimization results (simulation test)
| 参数 | 数值 |
|---|---|
| 输入层神经元数目 | 21 |
| 输出层神经元数目 | 4 |
| RBM 层数 | 3 |
| 每层 RBM 迭代次数 | 30 |
| 第一层隐藏神经元数目 | 185 |
| 第二层隐藏神经元数目 | 75 |
| 第三层隐藏神经元数目 | 144 |
| DBN学习率 | 0.0023 |
| 诊断模型 | 错误数 | 正常 | 内圈 | 外圈 | 滚动体 | 测试精度/% | MAE |
|---|---|---|---|---|---|---|---|
| NSST4+SVD+SSA+DBN | 8 | 2 | 3 | 3 | 2 | 96.67 | 0.061 |
| SST4+SVD+ISSA+DBN | 13 | 0 | 4 | 3 | 3 | 94.58 | 0.124 |
| MFCC+DBN | 15 | 3 | 5 | 6 | 4 | 93.75 | 0.162 |
| NSST4+SVD+SVM | 10 | 2 | 3 | 3 | 2 | 95.83 | 0.157 |
| NSST4+SVD+BP | 12 | 2 | 4 | 4 | 2 | 95 | 0.176 |
| 本文方法 | 5 | 0 | 2 | 3 | 0 | 97.91 | 0.042 |
Tab.4 Comparison of different methods
| 诊断模型 | 错误数 | 正常 | 内圈 | 外圈 | 滚动体 | 测试精度/% | MAE |
|---|---|---|---|---|---|---|---|
| NSST4+SVD+SSA+DBN | 8 | 2 | 3 | 3 | 2 | 96.67 | 0.061 |
| SST4+SVD+ISSA+DBN | 13 | 0 | 4 | 3 | 3 | 94.58 | 0.124 |
| MFCC+DBN | 15 | 3 | 5 | 6 | 4 | 93.75 | 0.162 |
| NSST4+SVD+SVM | 10 | 2 | 3 | 3 | 2 | 95.83 | 0.157 |
| NSST4+SVD+BP | 12 | 2 | 4 | 4 | 2 | 95 | 0.176 |
| 本文方法 | 5 | 0 | 2 | 3 | 0 | 97.91 | 0.042 |
| 参数 | 数值 |
|---|---|
| 输入层神经元数目 | 28 |
| 输出层神经元数目 | 4 |
| RBM层数 | 3 |
| 每层RBM迭代次数 | 30 |
| 第一层隐藏神经元数目 | 220 |
| 第二层隐藏神经元数目 | 110 |
| 第三层隐藏神经元数目 | 155 |
| DBN学习率 | 0.0015 |
Tab.5 DBN parameter optimization results (field test)
| 参数 | 数值 |
|---|---|
| 输入层神经元数目 | 28 |
| 输出层神经元数目 | 4 |
| RBM层数 | 3 |
| 每层RBM迭代次数 | 30 |
| 第一层隐藏神经元数目 | 220 |
| 第二层隐藏神经元数目 | 110 |
| 第三层隐藏神经元数目 | 155 |
| DBN学习率 | 0.0015 |
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