Bearing Fault Diagnosis Using a Support Vector Machine Optimized by an Improved Ant Lion Optimizer

Table 8

Average recognition rate of bearing faults using four optimization methods at different speeds.

Methods	Recognition rate (%)				Average recognition rate (%)	Total average recognition rate (%)
	1500 r/min	1800 r/min	2100 r/min	2400 r/min
EALO	99.25	99.50	99.50	99.75	—	99.50
ALO	98.00	99.00	99.50	97.75	—	98.56
GA-1	95.75	99.25	99.50	99.75	98.56	96.99
GA-2	98.25	99.00	99.50	99.75	99.13
GA-3	98.50	99.25	99.50	99.75	99.25
GA-4	95.50	86.50	99.50	99.75	95.31
GA-5	73.00	99.00	99.00	99.75	92.69
PSO-1	98.00	99.25	99.50	96.50	98.31	96.84
PSO-2	88.25	99.00	99.25	97.50	96.00
PSO-3	86.75	99.50	99.50	99.50	96.31
PSO-4	98.00	99.00	99.50	99.75	99.06
PSO-5	79.75	99.00	99.50	99.75	94.50