Accelerator pedal control system for road vehicle gives choice of accelerator characteristics, with reduced maximum power and linear increase in power from idle to maximum allowed power

摘要

#CMT# #/CMT# The accelerator pedal (1) may be moved from its idle portion to its maximum position through an angle (alpha). A sensor on the pedal sends a signal (S Ped) to an engine (5) control system (2). The control system gives a choice of accelerator characteristics (4), with reduced maximum power and linear increase in power from idle to maximum allowed power. #CMT# : #/CMT# It receives a vehicle and engine load signal (P max) from the transmission or other user element (3). The control system outputs a control signal (S Ped, G) to a motor (7) moving an air throttle (6) and to fuel injectors (8) in the induction tract. #CMT#USE : #/CMT# Accelerator pedal control system for internal combustion engine of vehicle with different allowed maximum power settings. #CMT#ADVANTAGE : #/CMT# When maximum allowed power has been set, accelerator control gives linear characteristic from idle at zero pedal angle to maximum allowed power at maximum pedal depression. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a block circuit diagram of the internal combustion engine control system. alpha : Accelerator pedal angle P Max : Vehicle and engine load signal S Ped : Accelerator pedal position signal S Ped, G : Control signal 1 : Accelerator pedal 2 : Internal combustion engine control system 3 : Transmission or other user element 4 : Accelerator characteristics graph 5 : Internal combustion engine 6 : Air throttle 7 : Electric motor moving throttle 8 : Fuel injectors.