Table 3 The description of the transfer path for gears.

From: Discriminative fault diagnosis transfer learning network under joint mechanism

Migration task

Training set

Test set

Fault types

H1→H2

900 rpm

1200 rpm

Gear peeling

Gear wear

Gear pitting

Missing teeth

Normal

Gear crack

H1→H3

900 rpm

1500 rpm

H2→H1

1200 rpm

900 rpm

H2→H3

1200 rpm

1500 rpm

H3→H2

1500 rpm

1200 rpm

H3→H1

1500 rpm

900 rpm