Research Article
Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data
Table 2
Training data range used in the prediction of EGT.
| | Statistics | | N1 speed | N2 speed | Pitch | Angle of attack | Roll | Vertical acceleration | Total air temperature | Ground/air | Exhaust gas temperature |
| N | | | | | | | | | | Valid | 1005 | 1005 | 1005 | 1005 | 1005 | 1005 | 1005 | 1005 | 1005 | Missing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Mean | 60.9772139 | 81.6708458 | 2.112438 | 0.726965 | −0.883582 | 0.995590 | −3.034229 | 0.87 | 584.232836 | Median | 66.9000000 | 84.4000000 | 1.100000 | −0.400000 | −1.100000 | 0.994000 | −3.300000 | 1.00 | 574.500000 | Std. deviation | 25.43270881 | 10.67348876 | 3.9393376 | 1.7996899 | 4.1258416 | 0.0465146 | 17.7587592 | 0.341 | 116.2669986 | Range | 75.60000 | 38.30000 | 22.9000 | 9.5000 | 51.7000 | 0.5470 | 84.8000 | 1 | 433.5000 | Minimum | 20.40000 | 59.00000 | −3.2000 | −1.8000 | −21.8000 | 0.7750 | −24.5000 | 0 | 432.5000 | Maximum | 96.00000 | 97.30000 | 19.7000 | 7.7000 | 29.9000 | 1.3220 | 60.3000 | 1 | 866.0000 |
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