Observer Design for Downsized Gasoline Engine Control Using 1D Engine Simulation

Abstract : This study presents the use of a 1D engine model for the control design of a twin-scroll turbocharged gasoline direct injection 2.0 l i4 engine with twin camphaser. This virtual engine is used for the development of the in-cylinder mass observer which is a crucial issue for the control of such an engine because of the large scavenging effects. After the model calibration process based on bench results, the virtual engine reproduces with accuracy the major behaviour such as valve overlap effects on cylinder filling and combustion which are an important feature for engine control with such advanced technology. Finally, thanks to the engine model contribution, the in-cylinder mass controller/observer design can be made easier and is validated off-line at a first stage. The goal of the paper is to demonstrate the relevancy of using 1D engine simulation as a support tool during all the steps of the engine control development process from design to real-time validation.
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A. Albrecht, V. Knop, G. Corde, L. Simonet, M. Castagné. Observer Design for Downsized Gasoline Engine Control Using 1D Engine Simulation. Oil & Gas Science and Technology - Revue d'IFP Energies nouvelles, Institut Français du Pétrole, 2006, 61 (1), pp.165-179. ⟨10.2516/ogst:2006011x⟩. ⟨hal-02005775⟩

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