中国机械工程 ›› 2026, Vol. 37 ›› Issue (9): 2133-2140.DOI: 10.3969/j.issn.1004-132X.2026.09.006
• 智能诊断与运维专栏 • 上一篇
王晓龙(
), 伏元雷, 罗文宇, 宫兆岩, 刘徐祎昊, 焦健, 郭睿
收稿日期:2025-10-27
出版日期:2026-09-25
发布日期:2026-10-21
通讯作者:
王晓龙
作者简介:王晓龙*(通信作者),男,1989年生,博士、副教授。研究方向为风电机组状态监测及故障诊断。E-mail: wangxiaolong0312@126.com。
基金资助:
WANG Xiaolong(
), FU Yuanlei, LUO Wenyu, GONG Zhaoyan, LIU Xuyihao, JIAO Jian, GUO Rui
Received:2025-10-27
Online:2026-09-25
Published:2026-10-21
Contact:
WANG Xiaolong
摘要:
针对滚动轴承早期退化时刻难以准确检测的问题,提出了一种基于复合多尺度加权反向模糊散布熵(CMWRFDE)和增强t分布随机邻域嵌入(ATSNE)的退化状态评估模型。对采集到的振动信号利用CMWRFDE算法提取多尺度退化特征,然后利用ATSNE算法对提取到的多尺度特征进行压缩降维,构造出能准确表示滚动轴承性能变化的综合特性指标,最后通过切比雪夫不等式健康阈值策略得到滚动轴承的性能退化评估结果。结果表明,该模型能够准确描述滚动轴承性能退化规律,及时捕捉到初始退化时刻,从而实现对滚动轴承性能退化状态的准确评估。
中图分类号:
王晓龙, 伏元雷, 罗文宇, 宫兆岩, 刘徐祎昊, 焦健, 郭睿. 基于复合多尺度加权反向模糊散布熵和增强t分布随机邻域嵌入的滚动轴承退化评估[J]. 中国机械工程, 2026, 37(9): 2133-2140.
WANG Xiaolong, FU Yuanlei, LUO Wenyu, GONG Zhaoyan, LIU Xuyihao, JIAO Jian, GUO Rui. Degradation Assessment of Rolling Bearings Based on CMWRFDE and ATSNE[J]. China Mechanical Engineering, 2026, 37(9): 2133-2140.
| 模型 | 初始 退化点 | 是否误报、延报 | 是否持续报警 |
|---|---|---|---|
| CMFDE+t-SNE | 73 | 是 | 否 |
| CMSE+ATSNE | 63 | 是 | 否 |
| CMPE+SPCA | 65 | 是 | 否 |
| CMWRFDE+ATSNE | 58 | 否 | 否 |
表1 不同模型退化状态评估结果对比
Tab.1 The comparison of degradation assessment results of different models
| 模型 | 初始 退化点 | 是否误报、延报 | 是否持续报警 |
|---|---|---|---|
| CMFDE+t-SNE | 73 | 是 | 否 |
| CMSE+ATSNE | 63 | 是 | 否 |
| CMPE+SPCA | 65 | 是 | 否 |
| CMWRFDE+ATSNE | 58 | 否 | 否 |
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