基于梳状滤波器和二维灰度图的滚动轴承故障诊断

Bearing(2008)

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Abstract
通过设计梳状滤波器和构造二维灰度图,保留振动信号的时域特征,解决了传统信号时域平均方法的滤波性能受信号周期估计误差和采样截断误差影响的问题,为提取振动信号的时域特征提供新的方法。推导了梳状滤波器的数学模型,给出了二维灰度图的构造方法,并通过仿真试验和应用实例验证了该方法的正确性。
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Key words
fault diagnosis,rolling bearing,comb filter,gray level images
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