Convolutional Recurrent Neural Network for Fault Diagnosis of High-Speed Train Bogie

Figure 3

Comparison of frequency-domain analysis of bogie signals under 7 health condition: (a) normal condition; (b) failure of the air springs; (c) failure of the antiyaw damper; (d) failure of the lateral damper; (e) failure of the air spring + the antiyaw damper; (f) failure of the air spring + the lateral damper; (g) failure of the lateral damper + the antiyaw damper.

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