Aircraft Gas Turbine Engine Health Monitoring System by Real Flight Data

Table 3

Test 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	59.8427907	81.3158140	1.969767	0.838140	−1.316744	0.996465	−3.040000	0.90	576.039535
Median	61.9000000	83.1000000	1.100000	.000000	−1.100000	0.997000	−2.000000	1.00	572.000000
Std. deviation	25.30062671	10.45487550	3.9448260	1.9207515	3.5105979	0.0413821	17.1693103	0.304	115.2838515
Range	75.60000	37.80000	21.8000	9.9000	50.3000	0.3550	53.0000	1	427.5000
Minimum	20.40000	59.30000	−2.8000	−1.1000	−21.8000	0.8710	−24.5000	0	434.0000
Maximum	96.00000	97.10000	19.0000	8.8000	28.5000	1.2260	28.5000	1	861.5000