Wavelet analysis simultaneously from the time domain and frequency domain analysis of two aspects of the signal, combined envelope analysis very suitable for roller bearing fault feature extraction based on a dual-channel full vector wavelet analysis method is not only right channel wavelet analysis method has compatibility, And make up the traditional channel-based information extraction rotating machinery fault caused by the amount of information is not complete, easily lead to misdiagnosis of the state. The results show that for the outer bearing fault feature extraction, wavelet analysis method full vector wave a smaller envelope analysis method has certain advantages.

滚动轴承故障的全矢小波分析.pdf

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