Bearing Fault Identification Method Based on Collaborative Filtering Recommendation Technology

Table 11

Test set identification effect.

Bearing state	Number of test samples	Identification result		State identification rate (%)
		Correct	Wrong
Inner ring fault	32	27	5	84.37
Ball fault	33	33	0	100
Outer ring fault	22	22	0	100
Normal	3	2	0	100
Total	90	85	5	94.44