A Fault Diagnosis Method for One-Dimensional Vibration Signal Based on Multiresolution tlsDMD and Approximate Entropy

Table 4

Number of records per bearing state and BPNN outputs.

Bearing state	Normal	Inner race fault	Ball fault	Outer race fault
Total records	50	50	50	50
Training records	30	30	30	30
Testing records	20	20	20	20
BPNN outputs	1000	0100	0010	0001