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Abstract:
齿轮轮齿发生早期裂纹时,裂纹故障信号十分微弱.为了有效提取早期裂纹故障特征,文中提出基于经验模式分解(empirical mode decomposition, EMD)的早期故障诊断方法.该方法首先去除振动信号中的啮合基频及其谐波成分,得到残余信号,然后针对残余信号进行基于EMD解调分析和处理.仿真及工程实例分析结果表明,所提方法能成功地将齿轮早期裂纹故障信息从复杂的振动中提取出来,更有利于及早发现故障,并判断故障的严重程度.
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机械强度
ISSN: 1001-9669
Year: 2010
Issue: 1
Volume: 32
Page: 5-9
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 11
Chinese Cited Count:
30 Days PV: 0
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