Model- and MAP- based gasoline engine airpath control

Based on the mechanism modeling method and the experimental data chart (MAP)commonly used in automobile engineering, the Mean Value Engine Model is established in this paper. On this basis, Aiming at management of the engine torque output, the airpath control system is designed, including the intake manifold pressure planning, throttle opening planning and throttle opening tracking. Finally, we verify the results in the environment of gasoline engine nominal value simulation model and high-fidelity four-cylinder PFI gasoline engine simulation model (enDYNA).