Recent work in the area of Homogenous Charge Compression Ignition (HCCI) engine control has focused on the use of variable valve timing (VVT) as a near term implementation strategy. Control of valve timing has a significant influence on combustion phasing and can be implemented with cam-based VVT systems already available in production vehicles. However, cam-based VVT systems pose a challenge by introducing cylinder coupling via a shared actuator. This paper presents a Model Predictive Control (MPC) framework that explicitly accounts for this inter-cylinder coupling as a constraint on the system. The prediction time step of this MPC controller differs from the execution time step, enabling consideration of shared actuation among otherwise independent systems. Experimental results on a multi-cylinder HCCI engine test bed provide validation of this controller.
- Dynamic Systems and Control Division
Multi-Cylinder HCCI Control With Cam Phaser Variable Valve Actuation Using Model Predictive Control
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Erlien, SM, Jungkunz, AF, & Gerdes, JC. "Multi-Cylinder HCCI Control With Cam Phaser Variable Valve Actuation Using Model Predictive Control." 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. 823-831. ASME. https://doi.org/10.1115/DSCC2012-MOVIC2012-8585
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