Application of Constrained Robust Independent Component Analysis in the Fault Diagnosis of Rolling Element Bearing

Liao Qiang; Li Xunbo; Huang Bo

doi:10.16578/j.issn.1004.2539.2015.11.038

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Application of Constrained Robust Independent Component Analysis in the Fault Diagnosis of Rolling Element Bearing

更新时间：2022-10-20

- Application of Constrained Robust Independent Component Analysis in the Fault Diagnosis of Rolling Element Bearing
- Vol. 39, Issue 11, Pages: 154-160(2015)
- 作者机构：
  
  1. 电子科技大学机械电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.11.038
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[1]廖强,李迅波,黄波.约束稳健独立分量分析在滚动轴承故障诊断中的应用[J].机械传动,2015,39(11):154-160.

Liao Qiang, Li Xunbo, Huang Bo. Application of Constrained Robust Independent Component Analysis in the Fault Diagnosis of Rolling Element Bearing. [J]. 39(11):154-160(2015)
[1]廖强,李迅波,黄波.约束稳健独立分量分析在滚动轴承故障诊断中的应用[J].机械传动,2015,39(11):154-160. DOI： 10.16578/j.issn.1004.2539.2015.11.038.

Liao Qiang, Li Xunbo, Huang Bo. Application of Constrained Robust Independent Component Analysis in the Fault Diagnosis of Rolling Element Bearing. [J]. 39(11):154-160(2015) DOI： 10.16578/j.issn.1004.2539.2015.11.038.

摘要

独立分量分析方法广泛应用于机械设备故障诊断领域。在稳健独立分量分析方法的基础上,结合故障特征频率先验信息,提出了一种约束稳健独立分量分析方法。该算法首先讨论了如何产生参考信号,然后定义了参考信号和期望信号的接近性度量函数,最后提出了改进的稳健独立分量对比函数。仿真和试验结果表明,该算法在收敛速度和计算精度方面都明显优于传统的Fast ICA算法。

Abstract

The method of independent component analysis is widely used in mechanical equipment fault diagnosis domain.A novel method named as constrained robust independent component analysis（ cRobust ICA）based on Robust ICA algorithm is proposed which utilized prior information about the fault characteristic frequency.Firstly,how to create the reference signal is discussed.Then,the measurement function between reference signal and desired independent component（ IC） is defined.At last,an enhanced contrast function is acquired by modifying a generally used kurtosis contrast function with closeness measurement.A contrastive study on the conventional Fast ICA is adopted to demonstrate the effectiveness and accuracy of the cRobust ICA by numerical simulations and experiments.

关键词

故障诊断独立分量分析RobustICA参考信号滚动轴承

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