RESEARCH ON DAMAGE DEGREE ASSESSMENT METHOD OF ROLLING BEARING INNER RING BASED ON DIAGONAL SLICE SPECTRUM AND GREY RELATIONAL GRADE

JIANG ZhangLei; WU YaPeng; WANG JiFang; XU XiaoLi

doi:10.16579/j.issn.1001.9669.2019.04.001

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RESEARCH ON DAMAGE DEGREE ASSESSMENT METHOD OF ROLLING BEARING INNER RING BASED ON DIAGONAL SLICE SPECTRUM AND GREY RELATIONAL GRADE

更新时间：2022-09-22

- RESEARCH ON DAMAGE DEGREE ASSESSMENT METHOD OF ROLLING BEARING INNER RING BASED ON DIAGONAL SLICE SPECTRUM AND GREY RELATIONAL GRADE
- Journal of Mechanical Strength Vol. 41, Issue 4, Pages: 763-769(2019)
- 作者机构：
  
  1. 北京信息科技大学现代测控技术教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2019.04.001
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JIANG ZhangLei, WU YaPeng, WANG JiFang, et al. RESEARCH ON DAMAGE DEGREE ASSESSMENT METHOD OF ROLLING BEARING INNER RING BASED ON DIAGONAL SLICE SPECTRUM AND GREY RELATIONAL GRADE. [J]. 41(4):763-769(2019)
DOI：

JIANG ZhangLei, WU YaPeng, WANG JiFang, et al. RESEARCH ON DAMAGE DEGREE ASSESSMENT METHOD OF ROLLING BEARING INNER RING BASED ON DIAGONAL SLICE SPECTRUM AND GREY RELATIONAL GRADE. [J]. 41(4):763-769(2019) DOI： 10.16579/j.issn.1001.9669.2019.04.001.

摘要

针对滚动轴承前期故障特征信息微弱且易受噪声影响,导致轴承故障损伤程度难以判断的问题,提出一种基于三阶累积量对角切片谱和灰色关联理论的新方法,来获取轴承故障部位以及损伤直径大小。利用三阶累积量对角切片谱抑制高斯噪声以及能够识别二次相位耦合信号等特性,判断出轴承故障部位信息;利用灰色关联理论对三阶累积量对角切片数据进行峭度指标、脉冲指标以及裕度指标分析,得到轴承前期故障损伤程度曲线图。通过该方法对实际信号进行分析,非常清楚的得到轴承故障部位以及损伤直径大小,表明了该方法的可行性以及实用性。

Abstract

Aiming at the problem that the fault information of rolling bearing was weak and susceptible to noise, which was difficult to judge the damage degree of bearing failure, a new method was proposed. Bearing fault location and damage diameter size could be obtained using the method based on third-order cumulant diagonal slice spectrum and gray correlation theory. Bearing fault location information could be determined using the characteristics of third-order cumulant diagonal slice spectrum to suppress the Gaussian noise and to identify the secondary phase coupling signal. And gray relational theory was used to analyze the kurtosis index, the pulse index and the margin index of the third-order cumulant diagonal section data to obtain the curve of the damage degree. Finally, actual signal is analyzed to obtain the bearing fault location and the damage diameter, which indicates the feasibility and practicability of the method.

关键词

滚动轴承损伤程度评价对角切片谱灰色关联度

Keywords

Rolling bearingDamage degree assessmentDiagonal slice spectrumGrey incidence grade

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