The transmission ratio of {HEAD ~ an automatic transmission} is defined automatically as a function of {TAIL ~ the setpoint value} for the engine drag torque by reference to a down shift characteristic diagram 
The transmission ratio of { HEAD ~ an automatic transmission } is defined automatically as a function of { TAIL ~ the setpoint value } for the engine drag torque by reference to a down shift characteristic diagram
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH