A driving force control system is provided for an automotive vehicle
powertrain. The driving force control system has an accelerator pedal
sensor to detect the vehicle's operator depression of an accelerator pedal
of the vehicle, a vehicle speed sensor to detect a vehicle speed of the
vehicle, and a powertrain control module. The powertrain control modules
includes a microprocessor to determine an ordinary target driving force in
response to the vehicle's operator depression of the accelerator pedal and
the vehicle speed, to determine a running resistance increment, to
determine a driving force correction in response to the vehicle's operator
depression and the driving force correction, and to determine a corrected
target driving force after correcting the ordinary target driving force
with the driving force correction.