BERT-BiGRU Intelligent Classification of Metro On-Board Equipment Faults Based on Key Layer Fusion

Figure 14

Influence of different layers of BERT on the classification effect of key fault categories: (a) classification effect of F1; (b) classification effect of F3; (c) classification effect of F4; (d) classification effect of F7; (e) classification effect of F8; (f) classification effect of F9.

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