Bearing Life Prediction Method Based on Parallel Multichannel Recurrent Convolutional Neural Network

Table 4

Prediction error of different networks.

Test bearing	The evaluation index	CNN	PMCCNN	RCNN	PMCRCNN
Bearing 1_2	RMSE	0.098	0.082	0.078	0.052
	MAE	0.068	0.059	0.054	0.045
Bearing 1_3	RMSE	0.271	0.142	0.245	0.094
	MAE	0.191	0.173	0.187	0.106
Bearing 1_5	RMSE	0.105	0.099	0.112	0.077
	MAE	0.060	0.052	0.062	0.043