Research Article

Remaining Useful Life Estimation through Deep Learning Partial Differential Equation Models: A Framework for Degradation Dynamics Interpretation Using Latent Variables

Table 3

Machine learning classifiers performance with TH = 50 for the FD004 subdataset.

ML classifierSetAccuracyFalse negativeFalse positiveF1-score (%)Recall (%)Training time (s)

Nearest neighborsTrain92.44.92.781.977.84.02
Validation87.87.25.071.267.7

Linear SVMTrain89.08.32.771.362.394.96
Validation89.18.22.672.163.0

Random forestTrain89.17.93.072.164.00.98
Validation89.27.92.872.864.5

Neural networkTrain89.07.53.572.666.09.31
Validation89.27.53.373.366.5

AdaBoostTrain88.87.83.571.764.74.82
Validation88.97.83.372.465.1

Logistic regressionTrain89.08.02.971.763.41.53
Validation89.28.02.872.664.1