Air intake modelling with fuzzy AFR control of a turbocharged diesel engine
by Amir H. Shamdani, Amir H. Shamekhi, M. Ziabasharhagh
International Journal of Vehicle Systems Modelling and Testing (IJVSMT), Vol. 3, No. 1/2, 2008

Abstract: One of the most vital factors in combustion control is Air-to-Fuel Ratio (AFR) estimation and control. In this work a detailed mathematical, nonlinear and control oriented model of dynamic processes of turbocharged diesel engines is presented. This model has been developed using physical equations and also experimental data. Common Rail Injection (CRI) that is a flexible fuel injection system in which quantity, timing and pressure of injection are controllable separately is chosen for this purpose. AFR control is performed making use of fuzzy logic methodology with a fast fuzzy controller. All above-mentioned models are programmed in Matlab/Simulink software.

Online publication date: Fri, 03-Oct-2008

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