The Control of a VVA-Equipped SI Engine Operation by Means of 1D Simulation and Mathematical Optimization
2002-01-1107
03/04/2002
- Event
- Content
- 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.
- Pages
- 14
- 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.