This paper describes a control-oriented charge mixing and Homogeneous Charge Compression Ignition (HCCI) combustion model, where the in-cylinder charge is divided into the well-mixed and unmixed zones as the result of charge mixing. Simplified fluid dynamics is used to predict the residual gas fraction at the intake valve closing, which defines the size of the unmixed zone, during real-time simulations. The unmixed zone size not only determines how well the in-cylinder charge is mixed, which affects the start of HCCI combustion, the peak in-cylinder pressure and also the temperature during the combustion process. The developed model was validated in the HIL (hardware-in-the-loop) simulation environment. The HIL simulation results show that the proposed charge mixing and HCCI combustion model provides better agreement with these of the corresponding GT-Power than the previously developed one-zone model.
- Dynamic Systems and Control Division
A Control Oriented Charge Mixing and HCCI Combustion Model for Internal Combustion Engines
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Zhang, S, Zhu, GG, Yoon, Y, & Sun, Z. "A Control Oriented Charge Mixing and HCCI Combustion Model for Internal Combustion Engines." Proceedings of the ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference. Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems. Fort Lauderdale, Florida, USA. October 17–19, 2012. pp. 321-327. ASME. https://doi.org/10.1115/DSCC2012-MOVIC2012-8670
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