Digital Twin Inspired Intelligent Bearing Fault Diagnosis Method Based on Adaptive Correlation Filtering and Improved SAE Classification Model

Table 5

Basic experimental conditions and theoretical fault characteristic frequencies.

Type	Parameter	value
Experimental conditions	RPM	1797
	Sampling frequency	12000
	Length of signal	16384
Theoretical fault characteristic frequencies	Outer race fault	91.4 Hz
	Inner race fault	147.9 Hz
	Roller fault	119.2 Hz