Fault Diagnosis of Gearbox in Multiple Conditions Based on Fine-Grained Classification CNN Algorithm

Table 1

Number of samples for different training methods.

Sample number	Condition 1	Condition 2	Condition 3	Condition 4	Ignore conditions
Normal	600	600	600	600	2400
Fault 1	600	600	600	600	2400
Fault 2	600	600	600	600	2400
Fault 3	600	600	600	600	2400
Fault 4	600	600	600	600	2400
Total					12000