International Journal of Aerospace Engineering / 2019 / Article / Tab 3

Research Article

A Novel Classification Method for Flutter Signals Based on the CNN and STFT

Table 3

Model validation.

Dataset 1Dataset 2

Training set loss0.0185620.016996
Flutter test set loss0.0089380.003387
No-flutter test set loss0.0052370.091222
Training set accuracy rate100%100%
Flutter test set accuracy rate97.51%98.60%
No-flutter test set accuracy rate90.52%95.5%

Dataset 1 is a 3D stereoscopic time-frequency diagram dataset. Dataset 2 is a top view time-frequency diagram dataset.

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