Research Article
Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data
Table 12
Comparison of the feedforward neural network training algorithms for their test MSE value.
| Training algorithm | Elapsed time (sec) | Training R | Validation R | Test R | Training MSE | Test MSE |
| trainlm | 4.203957 | 0.99767 | 0.99797 | 0.99719 | 62.8501 | 74.6465 | traincgb | 4.565835 | 0.99586 | 0.99299 | 0.99656 | 111.4932 | 91.2834 | trains | 10.047608 | 0.99561 | 0.99517 | 0.99653 | 118.4071 | 91.8717 | trainrp | 57.118179 | 0.99458 | 0.99297 | 0.9963 | 146.1263 | 97.9763 | traincgp | 3.699402 | 0.99401 | 0.99515 | 0.99501 | 161.8084 | 133.9647 | trainscg | 3.458904 | 0.99381 | 0.99084 | 0.99474 | 166.9843 | 139.1074 | trainbfg | 13.748363 | 0.99213 | 0.99176 | 0.99394 | 211.9474 | 160.1871 | traincgf | 7.667996 | 0.99179 | 0.99176 | 0.99395 | 222.3323 | 164.4613 | trainoss | 4.432661 | 0.99053 | 0.99197 | 0.99183 | 255.8224 | 215.3883 | traingdx | 3.614869 | 0.98838 | 0.98893 | 0.9893 | 312.1862 | 285.3237 | traingda | 4.008302 | 0.98312 | 0.98418 | 0.98733 | 459.2168 | 342.6505 |
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