Based on the prior study of the damage examination for differentdamage levels determined in this study, we can recognize thedamage level L5~L7 from the acceleration waveforms directlybased on the noise-like ripples. Because the waveforms aresmooth for the damage levels L1~L4, it is difficult to recognizethe damage from the waveform images directly. In the next step,we will use CNN with a sliding window to scan large amounts ofacceleration waveforms to train the damage level resultsevaluated by CNN.
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