A Fault Diagnosis Method for Rotating Machinery Based on PCA and Morlet Kernel SVM

Table 1

A group of inner-race EMD energy entropy of different running states.

Running states	𝐻1	𝐻2	𝐻3	𝐻4	𝐻5
Normal state	1.3989	1.3798	1.3876	1.3946	1.3866
0.18 mm fault depth	1.1342	1.1153	1.1016	1.1276	1.1213
0.36 mm fault depth	0.8766	0.8547	0.8987	0.8895	0.8673
0.53 mm fault depth	0.6449	0.6451	0.6689	0.6783	0.6884
0.71 mm fault depth	0.49814	0.5121	0.5565	0.5223	0.5127