中国机械工程 ›› 2026, Vol. 37 ›› Issue (3): 645-655.DOI: 10.3969/j.issn.1004-132X.2026.03.014
• 智能制造 • 上一篇
李科1,2,3(
), 王梦君4, 袁茂军4, 张宏硕1,2,3, 袁科研1,2,3, 卢国梁1,2,3(
)
收稿日期:2025-03-05
出版日期:2026-03-25
发布日期:2026-04-08
通讯作者:
卢国梁
作者简介:李科,男,1995年生,博士研究生。研究方向为旋转机械状态监测与剩余寿命预测。E-mail:sdu_like@mail.sdu.edu.cn基金资助:
LI Ke1,2,3(
), WANG Mengjun4, YUAN Maojun4, ZHANG Hongshuo1,2,3, YUAN Keyan1,2,3, LU Guoliang1,2,3(
)
Received:2025-03-05
Online:2026-03-25
Published:2026-04-08
Contact:
LU Guoliang
摘要:
针对滚动轴承早期故障难以准确识别问题,提出了一种基于一维结构图熵的故障检测方法。设计了一种将时间序列重构为空间结构的图模型,能够有效提取轴承状态特征。通过对信号短时功率谱进行完全图建模,获取了时频能量分布复杂性变化特性。利用熵对信号非线性描述的优点,定义一维结构图熵度量模型结构的复杂性变化,并将其均值作为健康指标来评估轴承健康状态。理论解释和数值化分析了健康指标对运行状态的区分机制,并根据特点设计了自适应检测方法。该方法分别在XJTU-SY、IMS、PHM数据集以及纸浆工厂数据集上进行实验验证,结果显示该方法无需任何参数调整即可准确识别故障状态。与均方值、同步伪速度校正均方值、方差、峰度等方法相比,所述健康指标具有更好的鲁棒性和趋势性。
中图分类号:
李科, 王梦君, 袁茂军, 张宏硕, 袁科研, 卢国梁. 基于一维结构图熵的滚动轴承早期故障检测[J]. 中国机械工程, 2026, 37(3): 645-655.
LI Ke, WANG Mengjun, YUAN Maojun, ZHANG Hongshuo, YUAN Keyan, LU Guoliang. Early Fault Detection for Rolling Bearings Based on One-dimensional Structure Graph Entropy[J]. China Mechanical Engineering, 2026, 37(3): 645-655.
| 数据集名称 | 数据名称 | 工况 | 失效位置 | 样本数量 |
|---|---|---|---|---|
| XJTU-SY | Bearing1-1 | 转速2100 r/min径向力12 kN | 外圈 | 123 |
| Bearing1-2 | 外圈 | 161 | ||
| Bearing1-3 | 外圈 | 158 | ||
| Bearing1-4 | 保持架 | 122 | ||
| Bearing1-5 | 内圈、外圈 | 52 | ||
| Bearing2-1 | 转速2250 r/min径向力11 kN | 内圈 | 491 | |
| Bearing2-2 | 外圈 | 161 | ||
| Bearing2-3 | 保持架 | 533 | ||
| Bearing2-4 | 外圈 | 42 | ||
| Bearing2-5 | 外圈 | 339 | ||
| Bearing3-1 | 转速2400 r/min径向力10 kN | 外圈 | 2538 | |
| Bearing3-2 | 内圈、外圈、滚动体、保持架 | 2496 | ||
| Bearing3-3 | 内圈 | 371 | ||
| Bearing3-4 | 内圈 | 1515 | ||
| Bearing3-5 | 外圈 | 114 | ||
| IMS | Dataset 1 | 转速2000 r/min 径向力26.67 kN | 轴承3内圈;轴承4滚动体 | 2156 |
| Dataset 2 | 轴承1外圈 | 948 | ||
| Dataset 3 | 轴承3外圈 | 6324 |
表1 XJTU-SY数据集和IMS数据集信息
Tab.1 Information of XJTU-SY datasets and IMS datasets
| 数据集名称 | 数据名称 | 工况 | 失效位置 | 样本数量 |
|---|---|---|---|---|
| XJTU-SY | Bearing1-1 | 转速2100 r/min径向力12 kN | 外圈 | 123 |
| Bearing1-2 | 外圈 | 161 | ||
| Bearing1-3 | 外圈 | 158 | ||
| Bearing1-4 | 保持架 | 122 | ||
| Bearing1-5 | 内圈、外圈 | 52 | ||
| Bearing2-1 | 转速2250 r/min径向力11 kN | 内圈 | 491 | |
| Bearing2-2 | 外圈 | 161 | ||
| Bearing2-3 | 保持架 | 533 | ||
| Bearing2-4 | 外圈 | 42 | ||
| Bearing2-5 | 外圈 | 339 | ||
| Bearing3-1 | 转速2400 r/min径向力10 kN | 外圈 | 2538 | |
| Bearing3-2 | 内圈、外圈、滚动体、保持架 | 2496 | ||
| Bearing3-3 | 内圈 | 371 | ||
| Bearing3-4 | 内圈 | 1515 | ||
| Bearing3-5 | 外圈 | 114 | ||
| IMS | Dataset 1 | 转速2000 r/min 径向力26.67 kN | 轴承3内圈;轴承4滚动体 | 2156 |
| Dataset 2 | 轴承1外圈 | 948 | ||
| Dataset 3 | 轴承3外圈 | 6324 |
数据 名称 | 轴承型号 | 应用 位置 | 固定速度 | 平均速度/(r·min-1) | 故障 类型 |
|---|---|---|---|---|---|
| Mill-5 | SKF 7312 | 泵 | 否 | 2483.5 | 滚动体 |
| Mill-8 | SKF 6228 | 发动机 | 否 | 1105.9 | 外圈 |
表2 实验验证参数
Tab.2 The experimental verification parameters
数据 名称 | 轴承型号 | 应用 位置 | 固定速度 | 平均速度/(r·min-1) | 故障 类型 |
|---|---|---|---|---|---|
| Mill-5 | SKF 7312 | 泵 | 否 | 2483.5 | 滚动体 |
| Mill-8 | SKF 6228 | 发动机 | 否 | 1105.9 | 外圈 |
| 窗长T | L | 增益系数k | 降采样比例 |
|---|---|---|---|
| 1000 | 10 | 12 | 1∶5 |
表3 纸浆工厂轴承数据集信息
Tab.3 Information of pulp mill datasets
| 窗长T | L | 增益系数k | 降采样比例 |
|---|---|---|---|
| 1000 | 10 | 12 | 1∶5 |
| 数据名称 | 故障预警窗位置 | 故障样本序号 | 故障时间/s |
|---|---|---|---|
| Bearing 1-1 | 512 | 79 | 4842 |
| Bearing 1-2 | 270 | 42 | 2574 |
| Bearing 1-3 | 478 | 73 | 4474 |
| Bearing 1-4 | 797 | 122 | 7477 |
| Bearing 1-5 | 231 | 36 | 2207 |
| Bearing 2-1 | 2977 | 455 | 27 883 |
| Bearing 2-2 | 304 | 47 | 2881 |
| Bearing 2-3 | 1987 | 304 | 18 630 |
| Bearing 2-4 | 198 | 31 | 1890 |
| Bearing 2-5 | 958 | 147 | 9009 |
| Bearing 3-1 | 15 647 | 2388 | 146 337 |
| Bearing 3-2 | 16 357 | 2086 | 127 831 |
| Bearing 3-3 | 2248 | 344 | 21 081 |
| Bearing 3-4 | 9318 | 1422 | 87 141 |
| Bearing 3-5 | 53 | 9 | 552 |
表4 XJTU-SY轴承数据集故障检测结果
Tab.4 Bearing detection results for XJTU-SY dataset
| 数据名称 | 故障预警窗位置 | 故障样本序号 | 故障时间/s |
|---|---|---|---|
| Bearing 1-1 | 512 | 79 | 4842 |
| Bearing 1-2 | 270 | 42 | 2574 |
| Bearing 1-3 | 478 | 73 | 4474 |
| Bearing 1-4 | 797 | 122 | 7477 |
| Bearing 1-5 | 231 | 36 | 2207 |
| Bearing 2-1 | 2977 | 455 | 27 883 |
| Bearing 2-2 | 304 | 47 | 2881 |
| Bearing 2-3 | 1987 | 304 | 18 630 |
| Bearing 2-4 | 198 | 31 | 1890 |
| Bearing 2-5 | 958 | 147 | 9009 |
| Bearing 3-1 | 15 647 | 2388 | 146 337 |
| Bearing 3-2 | 16 357 | 2086 | 127 831 |
| Bearing 3-3 | 2248 | 344 | 21 081 |
| Bearing 3-4 | 9318 | 1422 | 87 141 |
| Bearing 3-5 | 53 | 9 | 552 |
| 数据名称 | 故障预警窗位置 | 故障样本序号 | 故障时间/min |
|---|---|---|---|
| Dataset 1 | 8028 | 2155 | 21 550 |
| Dataset 2 | 2872 | 439 | 4390 |
| Dataset 3 | 25 283 | 6173 | 61 730 |
表5 IMS轴承数据集故障检测结果
Tab.5 Bearing detection results for IMS dataset
| 数据名称 | 故障预警窗位置 | 故障样本序号 | 故障时间/min |
|---|---|---|---|
| Dataset 1 | 8028 | 2155 | 21 550 |
| Dataset 2 | 2872 | 439 | 4390 |
| Dataset 3 | 25 283 | 6173 | 61 730 |
| 数据名称 | 故障预警窗位置 | 故障样本序号 |
|---|---|---|
| Mill-5 | 442 | 173 |
| Mill-8 | 744 | 727 |
表6 纸浆厂工程数据集故障检测结果
Tab.6 Bearing detection results for pulp mill datasets
| 数据名称 | 故障预警窗位置 | 故障样本序号 |
|---|---|---|
| Mill-5 | 442 | 173 |
| Mill-8 | 744 | 727 |
| 方法 | 鲁棒性 | 排名 |
|---|---|---|
| 本文方法 | 0.9576 | 1 |
| Var | 0.9371 | 2 |
| SWT-RMS | 0.8481 | 3 |
| Kur | 0.6879 | 4 |
表7 不同方法的鲁棒性评估结果
Tab.7 Robustness assessment of different methods
| 方法 | 鲁棒性 | 排名 |
|---|---|---|
| 本文方法 | 0.9576 | 1 |
| Var | 0.9371 | 2 |
| SWT-RMS | 0.8481 | 3 |
| Kur | 0.6879 | 4 |
| 方法 | 查准率/% | 查全率/% | 综合测度 |
|---|---|---|---|
| 本文方法 | 100 | 100 | 1.000 |
| Var | 85 | 100 | 0.919 |
| RMS | 89.47 | 100 | 0.944 |
| SES | 80.95 | 100 | 0.895 |
| AIWFI | 89.47 | 100 | 0.944 |
| GF | 53.33 | 100 | 0.696 |
| ESWK | 100 | 100 | 1 |
表8 XJTU-SY和IMS数据集轴承故障检测结果比较
Tab.8 Comparison of bearing detection results for XJTU-SY and IMS dataset
| 方法 | 查准率/% | 查全率/% | 综合测度 |
|---|---|---|---|
| 本文方法 | 100 | 100 | 1.000 |
| Var | 85 | 100 | 0.919 |
| RMS | 89.47 | 100 | 0.944 |
| SES | 80.95 | 100 | 0.895 |
| AIWFI | 89.47 | 100 | 0.944 |
| GF | 53.33 | 100 | 0.696 |
| ESWK | 100 | 100 | 1 |
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