Shock and Vibration / 2020 / Article / Tab 2

Research Article

Fault Diagnosis of Planetary Gearbox Based on Motor Current Signal Analysis

Table 2

CNN structure.

Input signal data (2560 × 1)

Convolutional layer 1Input channel: 1, output channel: 4, kernel size: 3
ReLU
Max pooling, filter size: 5
Output size (512 × 4)

Convolutional layer 2Input channel: 4, output channel: 8, kernel size: 3
ReLU
Max pooling, filter size: 4
Output size (128 × 8)

Convolutional layer 3Input channel: 8, output channel: 16, kernel size: 3
ReLU
Max pooling, filter size: 4
Output size (32 × 16)

Convolutional layer 4Input channel: 16, output channel: 32, kernel size: 3
ReLU
Max pooling, filter size: 4
Output size (8 × 32)
FlattenFeature size (256 × 1)

Fully connected layerInput size: 256, output size: 2560
ReLU
Input size: 2560, output size: 8
Final output (classified by softmax)

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