Acoustic Diagnosis of Rolling Bearings Fault of CR400 EMU Traction Motor Based on XWT and GoogleNet

Table 3

GoogLeNet structure.

Type	Patch size/Stride	OutputSize	Depth	^#1 × 1	^#3 × 3 reduce	^#3 × 3	^#5 × 5 reduce	^#5 × 5	Pool proj
Convolution	7 × 7/2	112 × 112 × 64	1
Max pool	3 × 3/2	56 × 56 × 64	0
Convolution	3 × 3/1	56 × 56 × 192	2		64	192
Max pool	3 × 3/2	28 × 28 × 192	0
Inception (3a)		28 × 28 × 256	2	64	96	128	16	32	32
Inception (3b)		28 × 28 × 480	2	128	128	192	32	96	64
Max pool	3 × 3/2	14 × 14 × 480	0
Inception (4a)		14 × 14 × 512	2	192	96	208	16	48	64
Inception (4b)		14 × 14 × 512	2	160	112	224	24	64	64
Inception (4c)		14 × 14 × 512	2	128	128	256	24	64	64
Inception (4d)		14 × 14 × 528	2	112	144	288	32	64	64
Inception (4e)		14 × 14 × 832	2	256	160	320	32	128	128
Max pool	3 × 3/2	7 × 7 × 832	0
Inception (5a)		7 × 7 × 832	2	256	160	320	32	128	128
Inception (5b)		7 × 7 × 1024	2	384	192	384	48	128	128
Avg pool	7 × 7/1	1 × 1 × 1024	0
Dropout (40%)		1 × 1 × 1024	0
Linear		1 × 1 × 8	1
Softmax		1 × 1 × 8	0