Table 2 Operating condition parameters.

From: Research on fault diagnosis method for variable condition planetary gearbox based on SKN attention mechanism and deep transfer learning

Working condition number

A

B

C

D

E

F

G

H

I

Rotational speed (Hz)

20

20

20

30

30

30

40

40

40

Load (A)

0

0.4

0.8

0

0.4

0.8

0

0.4

0.8