A Bearing Fault Diagnosis Method Combined Multi-scale Range Entropy with ISOMAP

廖紫洋; 陈勇旗; 章涛

doi:10.13433/j.cnki.1003-8728.20230281

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A Bearing Fault Diagnosis Method Combined Multi-scale Range Entropy with ISOMAP

更新时间：2026-04-23

- A Bearing Fault Diagnosis Method Combined Multi-scale Range Entropy with ISOMAP
- Mechanical Science and Technology for Aerospace Engineering Vol. 44, Issue 8, Pages: 1351-1358(2025)
- 作者机构：
  
  宁波大学机构科学技术学院,浙江,宁波,315211
- 作者简介：
- 基金信息：
- DOI：10.13433/j.cnki.1003-8728.20230281
  CLC：
- Published：2025
- 稿件说明：
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廖紫洋, 陈勇旗, 章涛. A Bearing Fault Diagnosis Method Combined Multi-scale Range Entropy with ISOMAP[J]. Mechanical Science and Technology for Aerospace Engineering, 2025, 44(8): 1351-1358.
DOI：

廖紫洋, 陈勇旗, 章涛. A Bearing Fault Diagnosis Method Combined Multi-scale Range Entropy with ISOMAP[J]. Mechanical Science and Technology for Aerospace Engineering, 2025, 44(8): 1351-1358. DOI： 10.13433/j.cnki.1003-8728.20230281.

摘要

针对滚动轴承故障信号难以提取，故障特征信号复杂、冗余信息多的问题，提出了多尺度极差熵（MRE）结合等距特征映射（ISOMAP）进行特征降维的优化方法。利用变分模态分解（VMD）将振动信号分解，得到指定数量的固有模态分量；采用MRE进行特征提取，建立特征样本集；用ISOMAP将特征样本进行降维处理后进行故障分类。实验结果表明

本方法能够有效提取出滚动轴承故障特征信号，从而提高了滚动轴承故障诊断的准确性。

Abstract

Aiming at the problems of difficult extraction of rolling bearing fault signals

complex fault feature signals

and redundant information

this paper proposed an optimization method of multi-scale range entropy (MRE) combined with isometric feature mapping (ISOMAP) for feature dimensionality reduction. Firstly

the vibration signal of rolling bearing faults is decomposed by using the variational mode decomposition (VMD) to obtain the specified number of intrinsic mode components; Secondly

MRE is used for feature extraction and feature sample set is established; Finally

ISOMAP is used to reduce the dimension of feature samples for fault classification.The experimental results show that this method can effectively extract feature signals of rolling bearing faults

thereby improving the accuracy of rolling bearing fault diagnosis.

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Related Institution

School of Mechanical and Electrical Engineering, Chuzhou University

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