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变转速下内燃机滚动轴承故障诊断方法综述 被引量:1

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摘要 内燃机滚动轴承故障诊断是重要的机械课题,然而传统方法大多只能提取稳速条件下的故障特征,在变转速下不再适用,为此针对变转速下滚动轴承故障诊断方法的探索不断展开。论文对现有的变转速下滚动轴承故障诊断方法进行梳理,沿着阶次跟踪—时频分析—循环平稳的发展脉络对上述方法进行分类,着重对角度/时间循环平稳(AT-CS)进行研究,从理论上证明其先进性。最后通过仿真信号验证了AT-CS能够有效提取变转速下滚动轴承故障特征,并对研究现状进行了全面总结。
出处 《内燃机与配件》 2018年第11期60-61,共2页 Internal Combustion Engine & Parts
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