Research Article

Artificial Neural Network Model for Monitoring Oil Film Regime in Spur Gear Based on Acoustic Emission Data

Table 6

Best validation performance for FFBP and Elman networks during training.

Load and speed conditionFFBP networkElman network
Best validationIteration numberBest validationIteration number

S1L16.2725 × 10−52476.4130 × 10−5459
S1L21.9810 × 10−59936.9132 × 10−5351
S1L31.5007 × 10−510002.5177 × 10−3420
S2L18.6352 × 10−510008.9168 × 10−3208
S2L24.6211 × 10−41312.6495 × 10−3883
S2L34.5334 × 10−33695.1342 × 10−3438