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

表2 3种算法提取特征频率幅值

Table 2 Characteristic frequency and amplitude extracted by three algorithms

算法 特征频率 fi 2fi 3fi 4fi 5fi VMD 0.218 0.176 0.112 0.071 0.104 PO-VMD 0.416 0.273 0.261 0.018 0.012 GWO-VMD 0.857 0.682 0.691 0.483 0.841