Table 5 Comparison of results with different methods from the literature.

From: A hybrid LSTM random forest model with grey wolf optimization for enhanced detection of multiple bearing faults

Literature

Years

Model

Optimization

Accuracy [%]

34

2019

LSTM

None

96.4

35

2021

RF

RF-LSTM

None

93.5

96.6

36

2024

GWO-SVM

GWO

92.78

37

2024

MSCNN-LSTM

Multi-Scale CNN

96.22

Our proposed model

2024

LSTM-GWO-RF

GWO

98.97