Remaining Useful Life Prediction of Milling Tool Based on Pyramid CNN

Table 4

Performance estimation result of four testing dataset.

Testing datasets	Scores	RMSE
C1	50.962 ± 1.813	19.374 ± 0.923
C2	51.217 ± 1.872	19.139 ± 0.853
C3	50.771 ± 1.617	19.424 ± 0.721
C4	51.248 ± 1.712	19.051 ± 0.804