Research Article
Bearing Fault Diagnosis Using a Support Vector Machine Optimized by an Improved Ant Lion Optimizer
Table 5
Model optimization and bearing fault diagnostic results at 2100 r/min.
| Methods | | | Time (s) | Iteration number | SV number | Testing dataset | Training dataset | Faults | Recognition rate (%) | Faults | Recognition rate (%) |
| EALO | 23.2934 | 7.6761 | 0.2366 | 3 | 19 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| ALO | 25.7334 | 7.2869 | 3.3147 | 100 | 20 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| GA-1 | 25.4725 | 5.1417 | 7.4716 | 100 | 22 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| GA-2 | 29.2674 | 4.5188 | 11.8305 | 100 | 17 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| GA-3 | 28.7179 | 9.4871 | 9.7435 | 100 | 20 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| GA-4 | 20.1026 | 9.2599 | 8.0058 | 100 | 19 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| GA-5 | 13.0549 | 8.0581 | 8.5892 | 100 | 139 | Normal | 100 | Normal | 98 | Inner | 98 | Inner | 96 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 100 | Average | 99.5 | Average | 98 | Total average | 99 |
| PSO-1 | 27.0491 | 5.2417 | 8.8048 | 100 | 19 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| PSO-2 | 15.4353 | 10.0000 | 8.2438 | 100 | 32 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 96 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 98.5 | Total average | 99.25 |
| PSO-3 | 18.4043 | 9.0937 | 7.7971 | 100 | 22 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| PSO-4 | 20.3913 | 10.0000 | 7.7289 | 100 | 20 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
| PSO-5 | 30.0000 | 9.8561 | 5.8882 | 100 | 19 | Normal | 100 | Normal | 100 | Inner | 100 | Inner | 98 | Outer | 100 | Outer | 100 | Ball | 100 | Ball | 98 | Average | 100 | Average | 99 | Total average | 99.5 |
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