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