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