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

Table 6

Model optimization and bearing fault diagnostic results at 2400 r/min.

Methods			Time (s)	Iteration number	SV number	Testing dataset		Training dataset
						Faults	Recognition rate (%)	Faults	Recognition rate (%)
EALO	26.5027	6.4664	0.2656	3	22	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
ALO	30.0000	1.7908	3.4479	100	27	Normal	94	Normal	88
						Inner	100	Inner	100
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	98.5	Average	97
						Total average		97.75
GA-1	24.4322	5.4787	9.9083	100	21	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
GA-2	23.2381	7.7137	10.2449	100	22	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
GA-3	21.7289	8.6957	9.1041	100	23	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
GA-4	22.4615	6.4680	8.4840	100	22	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
GA-5	24.9011	9.3258	10.8618	100	24	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
PSO-1	30.0000	1.8006	6.9233	100	26	Normal	88	Normal	84
						Inner	100	Inner	100
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	97	Average	96
						Total average		96.5
PSO-2	30.0000	1.7888	8.8493	100	27	Normal	92	Normal	88
						Inner	100	Inner	100
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	98	Average	97
						Total average		97.5
PSO-3	30.0000	1.88131	7.6882	100	29	Normal	100	Normal	100
						Inner	100	Inner	96
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99
						Total average		99.5
PSO-4	30.0000	7.4530	6.5468	100	24	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75
PSO-5	20.5845	9.0898	7.2608	100	23	Normal	100	Normal	100
						Inner	100	Inner	98
						Outer	100	Outer	100
						Ball	100	Ball	100
						Average	100	Average	99.5
						Total average		99.75