Vibration Signal Analysis of RV Reducer based on Wavelet Theory

Chen Liguo; Wang Jiugen; Zhang Jing

doi:10.16578/j.issn.1004.2539.2018.05.003

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Vibration Signal Analysis of RV Reducer based on Wavelet Theory

更新时间：2022-10-20

- Vibration Signal Analysis of RV Reducer based on Wavelet Theory
- Vol. 42, Issue 5, Pages: 14-17(2018)
- 作者机构：
  
  1. 浙江大学机械工程学院
  2. 浙江双环传动机械股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.05.003
  CLC：
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[1]陈李果,汪久根,张靖.基于小波理论的RV减速器振动信号分析[J].机械传动,2018,42(05):14-17+36.

Chen Liguo, Wang Jiugen, Zhang Jing. Vibration Signal Analysis of RV Reducer based on Wavelet Theory. [J]. 42(5):14-17(2018)
[1]陈李果,汪久根,张靖.基于小波理论的RV减速器振动信号分析[J].机械传动,2018,42(05):14-17+36. DOI： 10.16578/j.issn.1004.2539.2018.05.003.

Chen Liguo, Wang Jiugen, Zhang Jing. Vibration Signal Analysis of RV Reducer based on Wavelet Theory. [J]. 42(5):14-17(2018) DOI： 10.16578/j.issn.1004.2539.2018.05.003.

摘要

RV减速器结构复杂、振动激励源多,运行过程中产生的振动信号会被大量噪声干扰,影响真实的振动信号被识别。介绍了小波变换理论及其信号识别和降噪分析原理,应用小波变换理论对国产SHPR-20E型RV减速器的振动信号进行分析,并对振动信号进行识别和降噪分析。通过测试分析,表明小波变换具有良好的多分辨率时频域识别特性,可以有效消除RV减速器振动信号中的噪声。为RV减速器的信号识别与分析、故障诊断和提取提供了参考。

Abstract

The structure of RV reducer is complex,the vibration signal generated during the operation will be interfered by a lot of random noises due to the vibration excitation source. It will affect the real vibration signal be identified. The wavelet transform theory and the principle of signal recognition analysis and noise reduction analysis are introduced. The vibration signal of domestic SHPR-20 E RV reducer is analyzed based on wavelet transform theory,and signal recognition and noise reduction of vibration signal is analyzed. Through the test and analysis,it is shown that the wavelet transform has a good multi-resolution recognition property in time-frequency domain and can eliminate the noise effectively and extract the fault characteristic information of the signal. It provides a reference value for signal identification and analysis,fault diagnosis and extraction of RV reducer.

关键词

RV减速器小波分析振动信号识别分析降噪

Keywords

RV reducerWavelet analysisVibration signalRecognition analysisNoise reduction

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