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Function Reference: BMWengine

Function File: sys = BMWengine ()
Function File: sys = BMWengine ("scaled")
Function File: sys = BMWengine ("unscaled")

Model of the BMW 4-cylinder engine at ETH Zurich’s control laboratory.

 
 
 OPERATING POINT
 Drosselklappenstellung     alpha_DK = 10.3 Grad
 Saugrohrdruck              p_s = 0.48 bar
 Motordrehzahl              n = 860 U/min
 Lambda-Messwert            lambda = 1.000
 Relativer Wandfilminhalt   nu = 1

 INPUTS
 U_1 Sollsignal Drosselklappenstellung   [Grad]
 U_2 Relative Einspritzmenge             [-]
 U_3 Zuendzeitpunkt                      [Grad KW]
 M_L Lastdrehmoment                      [Nm]

 STATES
 X_1 Drosselklappenstellung     [Grad]
 X_2 Saugrohrdruck              [bar]
 X_3 Motordrehzahl              [U/min]
 X_4 Messwert Lamba-Sonde       [-]
 X_5 Relativer Wandfilminhalt   [-]

 OUTPUTS
 Y_1 Motordrehzahl              [U/min]    
 Y_2 Messwert Lambda-Sonde      [-]

 SCALING
 U_1N, X_1N   1 Grad
 U_2N, X_4N, X_5N, Y_2N   0.05
 U_3N   1.6 Grad KW
 X_2N   0.05 bar
 X_3N, Y_1N   200 U/min
 
 

Source Code: BMWengine