Research Article
Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data
Table 4
Validation 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 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | Missing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Mean | 59.6409302 | 80.8041860 | 1.791628 | 0.672093 | −1.298140 | 1.000530 | −4.323721 | 0.86 | 575.411628 | Median | 65.9000000 | 83.9000000 | 1.100000 | −.400000 | −1.400000 | 0.997000 | −8.300000 | 1.00 | 572.000000 | Std. deviation | 25.67176527 | 10.77929528 | 3.6772253 | 1.7983021 | 4.4961766 | 0.0397756 | 17.7368312 | 0.347 | 108.3661869 | Range | 75.30000 | 37.80000 | 22.5000 | 7.1000 | 51.0000 | 0.4170 | 64.0000 | 1 | 421.5000 | Minimum | 20.60000 | 59.30000 | −2.8000 | −1.1000 | −21.8000 | 0.8360 | −24.0000 | 0 | 442.0000 | Maximum | 95.90000 | 97.10000 | 19.7000 | 6.0000 | 29.2000 | 1.2530 | 40.0000 | 1 | 863.5000 |
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