Title :
Modeling and model-based control of supercharged SI-engines for cars with minimal fuel consumption
Author :
Pfiffner, R. ; Weber, F. ; Amstutz, A. ; Guzzella, L.
Author_Institution :
Lab. of Internal Combustion Engines & Combustion Technol., Swiss Federal Inst. of Technol., Zurich, Switzerland
Abstract :
One approach to realize spark ignited (SI) engines with very low fuel consumption is to use small displacements and boosting. For several reasons conventional turbochargers are not the best choice for such systems. Instead, pressure wave superchargers offer the potential for very fast and accurate load control. In this paper a control oriented model of such an engine system is presented. The model validation is described and the main nonlinearities are identified. Using this model, a suitable control structure is derived and verified by both simulations and measurements
Keywords :
automobiles; control nonlinearities; control system synthesis; fuel optimal control; internal combustion engines; nonlinear control systems; pressure control; automobiles; fuel consumption; model-based control; nonlinear control; nonlinearities; pressure control; pressure wave superchargers; spark ignited engines; supercharged SI-engines; Automobiles; Boosting; Fossil fuels; Internal combustion engines; Laboratories; Load flow control; Manifolds; Pressure control; Sparks; Valves;
Conference_Titel :
American Control Conference, 1997. Proceedings of the 1997
Conference_Location :
Albuquerque, NM
Print_ISBN :
0-7803-3832-4
DOI :
10.1109/ACC.1997.611806
