Fault Identification of Rolling Bearing Using Variational Mode Decomposition Multiscale Permutation Entropy and Adaptive GG Clustering

Table 1

Clustering centers of 4 different state signals.

The clustering center	Coordinate values
	V1	0.9307	0.8735
V2	0.0549	0.8052
V3	0.9135	0.7031
V4	0.6188	0.0638