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Abstract:
提出一种基于Hu氏不变矩定量识别相位图改变的新方法.该方法利用混沌振子对微弱周期信号的敏感性,可以直接检测低频段内滚动轴承微弱的故障特征频率.同时以Hu氏不变矩作为指标,从二维角度量化振子的相变规律,直接检测滚动轴承微弱的故障特征频率,从而提高故障诊断的自动化水平.对滚动轴承内圈故障的诊断实例验证了该方法的有效性.
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Source :
噪声与振动控制
ISSN: 1006-1355
Year: 2008
Issue: 5
Volume: 28
Page: 80-82,108
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 12
Chinese Cited Count:
30 Days PV: 20
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