Multiscale Time-Frequency Sparse Transformer Based on Partly Interpretable Method for Bearing Fault Diagnosis

<div>Self-attention mechanism. (a) The scaled dot-product self-attention used in MSA, (b) the sparse scaled dot-product self-attention used in MTFST, and (c) the examples of different attention mechanisms.</div>

Shock and Vibration

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Figure 2: Multiscale Time-Frequency Sparse Transformer Based on Partly Interpretable Method for Bearing Fault Diagnosis 