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11 GWO-VMD后4个IMF的包络谱 |
Fig.11 Envelope spectrum of four IMF after GWO-VMD |
![]() |