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4 3种算法的迭代收敛图

Fig.4 Iterative convergence plots of three algorithms