基于多惩罚因子优化VMD的滚动轴承故障特征提取方法 |
李波, 胡哿郗, 石剑钧, 刘恒畅, 洪涛 |
Fault feature extraction method of rolling bearing based on multiple penalty factors optimization VMD |
Bo LI, Gexi HU, Jianjun SHI, Hengchang LIU, Tao HONG |
图9 PO-VMD各分量时域波形和频谱 |
Fig.9 Time domain waveform and spectrum of each component by PO-VMD |
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