Intelligent Diagnosis Model of Traction Seat of Urban Rail Vehicle Based on Harris Hawks Optimization

Table 2

Experimental test data.

Model state	The normal state	Small crack	Big crack
Tag name	0	1	2
Points in a single sample	60000	60000	60000
The training sample	90 group	90 group	90 group
The test sample	30 group	30 group	30 group
Number of sets of sample	12 group	12 group	120 group