Research Article
State Diagnosis of Elevator Control Transformer over Vibration Signal Based on MEA-BP Neural Network
Table 2
Influence of the number of individuals in a subgroup on system performance.
| Number of m | Minimum evolution times | Maximum evolution times | Average evolution times | Correct convergence rate (%) |
| 3 | 23 | 49 | 40 | 22.48 | 4 | 22 | 45 | 39 | 61.91 | 5 | 21 | 40 | 34 | 79.18 | 6 | 20 | 38 | 32 | 81.67 | 7 | 18 | 36 | 32 | 82.46 | 8 | 19 | 33 | 30 | 68.73 |
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