Table 4 Optimal parameter combinations for a single-fault VMD.

From: Fault diagnosis method of rolling bearing based on SSA-VMD and RCMDE

Bearing condition

Label

[K,\(\alpha\)]

Normal

0

[4,1983]

Inner ring failure

1

[4,684]

Rolling element failure

2

[5,1957]

Outer ring failure

3

[5,466]

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