In accordance with {HEAD ~ an added feature} of {TAIL ~ the invention}, there is the step of defining with the aid of a flow equation for ideal gases through throttle points the model variables for the air mass flow at the throttle valve and for the residual gas mass flow at the exhaust gas recycling valve 
In accordance with { HEAD ~ an added feature } of { TAIL ~ the invention } , there is the step of defining with the aid of a flow equation for ideal gases through throttle points the model variables for the air mass flow at the throttle valve and for the residual gas mass flow at the exhaust gas recycling valve
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH