Fault Diagnosis of Spindle Device in Hoist Using Variational Mode Decomposition and Statistical Features

Table 1

The center frequency of components with different K values.

K	Center frequency (Hz)
3	635	2881	3366
4	586	1333	2884	3366
5	557	1102	2838	3260	3430
6	557	1101	2838	3259	3428	4164