Endpoint Effect Suppression Based on Multipoint Extension in Bearing Fault Diagnosis

Xia Shuang; Zhou Guohui

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Endpoint Effect Suppression Based on Multipoint Extension in Bearing Fault Diagnosis

机译：基于多点扩展的轴承故障诊断终点影响抑制

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In the rolling bearing fault detection, the Hilbert-Huang transform (HHT) has made remarkable achievements, but at present, the HHT still has the end effect problem, which will cause a lot of data distortion, spectrum confusion that will affect fault diagnosis result and error in the detection of rolling bearing faults in a serious manner. In response to this problem, this paper proposes a method of multi-point continuation at both ends of the signal to suppress the endpoint effectExtend at both ends of the signal, then perform empirical mode decomposition (EMD). The experimental comparison shows that the method has an effect on the endpoint effect.

机译：在滚动轴承故障检测中，希尔伯特-黄变换（HHT）取得了显著成绩，但目前，HHT仍存在端效应问题，会导致大量数据失真，频谱混乱，影响故障诊断结果严重的滚动轴承故障检测中的错误。针对这一问题，本文提出了一种在信号两端进行多点连续的方法，以抑制信号两端的端点效应扩展，然后进行经验模态分解（EMD）。实验比较表明，该方法对终点效应有影响。

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《International Journal of Pattern Recognition and Artificial Intelligence》 |2019年第9期|1950015.1-1950015.13|共13页
作者
Xia Shuang; Zhou Guohui;
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作者单位

Harbin Normal Univ Harbin Heilongjiang Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
HHT; endpoint effect; fault diagnosis;

机译：HHT;终点效应故障诊断;

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2. Multipoint Optimal Minimum Entropy Deconvolution Adjusted for Automatic Fault Diagnosis of Hoist Bearing [J] . Tengyu Li, Ziming Kou, Juan Wu, Shock and vibration . 2021,第a期

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3. Adaptive Multipoint Optimal Minimum Entropy Deconvolution Adjusted and Application to Fault Diagnosis of Rolling Element Bearings [J] . Cheng Yao, Chen Bingyan, Zhang Weihua IEEE sensors journal . 2019,第24期

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Endpoint Effect Suppression Based on Multipoint Extension in Bearing Fault Diagnosis

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