International Journal of Aerospace Engineering / 2018 / Article / Tab 2

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 speedN2 speedPitchAngle of attackRollVertical accelerationTotal air temperatureGround/airExhaust gas temperature

N
 Valid100510051005100510051005100510051005
 Missing000000000
Mean60.977213981.67084582.1124380.726965−0.8835820.995590−3.0342290.87584.232836
Median66.900000084.40000001.100000−0.400000−1.1000000.994000−3.3000001.00574.500000
Std. deviation25.4327088110.673488763.93933761.79968994.12584160.046514617.75875920.341116.2669986
Range75.6000038.3000022.90009.500051.70000.547084.80001433.5000
Minimum20.4000059.00000−3.2000−1.8000−21.80000.7750−24.50000432.5000
Maximum96.0000097.3000019.70007.700029.90001.322060.30001866.0000