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The Control of a VVA-Equipped SI Engine Operation by Means of 1D Simulation and Mathematical Optimization
Technical Paper
2002-01-1107
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A theoretical-experimental analysis of a VVT engine and a methodology for the definition of its optimal control is presented. The analyses are based on the employment of a very accurate 1D simulation model of the engine, developed by the authors. The code is validated by comparison with experimental data collected on a traditionally fixed- and a variable-valve timing engine as well. The model is then linked to an efficient optimization procedure, which is able to select - for each assigned operating condition - the most appropriate values of control parameters (spark advance, intake/exhaust valve opening/closing, and valve lift), with the objective of pursuing part-load BSFC improvements. Various VVT or VVA arrangements are analyzed and compared.
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Authors
- F. Bozza - Dipartimento di Ingegneria Meccanica per l'Energetica (D.I.M.E.), Università di Napoli “Federico II”
- A. Gimelli - Dipartimento di Ingegneria Meccanica per l'Energetica (D.I.M.E.), Università di Napoli “Federico II”
- R. Tuccillo - Dipartimento di Ingegneria Meccanica per l'Energetica (D.I.M.E.), Università di Napoli “Federico II”
Topic
Citation
Bozza, F., Gimelli, A., and Tuccillo, R., "The Control of a VVA-Equipped SI Engine Operation by Means of 1D Simulation and Mathematical Optimization," SAE Technical Paper 2002-01-1107, 2002, https://doi.org/10.4271/2002-01-1107.Also In
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