The use of graphical dynamic system simulation software is becoming more popular as automotive engineers strive to reduce the time to develop new control systems. The use of model-based control methods designed to meet future emission and diagnostic regulations has also increased the need for validated engine models. A previously validated, nonlinear, mean-torque predictive engine model* is converted to MATLAB / SIMULINK† to illustrate the benefits of a graphical simulation environment. The model simulates a port-fuel-injected, spark-ignition engine and includes air, fuel and EGR dynamics in the intake manifold as well as the process delays inherent in a four-stroke cycle engine. The engine model can he used in five ways: Although developed and validated for a specific engine, the model is generic enough to be used for a wide range of spark-ignition engines. Modular programming techniques reduce model complexity by dividing the engine and control system into hierarchical subsystems.
Automotive Engine Modeling for Real-Time Control Using MATLAB/SIMULINK
Sae Technical Papers
International Congress & Exposition ; 1995
1995-02-01
Conference paper
English
Automotive Engine Modeling for Real-Time Control Using MATLAB/SIMULINK
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