Browse Publications Technical Papers 2004-01-1771

Dynamic Modeling of a Port Fuel-Injected Engine with Sensitivity Analysis 2004-01-1771

In the last three decades, the dynamic modeling of internal combustion engines has played critical roles in engine management systems design. This paper outlines a nonlinear dynamic engine model of a port-fuel injected engine, which can be used for control algorithm development. This engine model predicts the mean engine brake torque as a function of engine controls (i.e. throttle angle, spark advance, fuel flow rate).The model has been experimentally identified and validated for a 1.6 liter engine called “Paykan”. In addition, the sensitivity analysis of the model with respect to its parameters perturbation has been accomplished.


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