李宏坤   

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Language:English

Paper Publications

Title of Paper:时频图像Hough变换在滚动轴承故障诊断中的应用

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Date of Publication:2010-12-15

Journal:振动、测试与诊断

Included Journals:EI、PKU、CSCD、Scopus

Volume:30

Issue:6

Page Number:634-637

ISSN No.:1004-6801

Key Words:时频分析;Hough变换;Wigner-Ville分布;故障诊断

Abstract:为提高时频分析技术在设备故障诊断中的实用性,研究了时频图像处理的滚动轴承故障诊断技术.采用Hough变换对表征信号的Wigner-Ville时频分布进行分析,以提高时频谱表征非平稳信号的可靠性,特别对线性调频信号分析具有较好的实用性.以实验室的滚动轴承在不同状态下的状态识别为例,验证了时频图像Hough变换准确识别滚动轴承故障的有效性.

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