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Control of Exhaust Recompression HCCI using Hybrid Model Predictive Control

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Author

Summary, in English

Homogeneous Charge Compression Ignition (HCCI) holds promise for reduced emissions and increased efficiency compared to conventional internal combustion engines. As HCCI lacks direct actuation over the combustion phasing, much work has been devoted to designing controllers capable of set-point tracking and disturbance rejection. This paper presents results on model predictive control (MPC) of the combustion phasing in an HCCI engine based on a hybrid model formulation composed of several linearizations of a physics-based nonlinear model. The explicit representation of the MPC was implemented experimentally and the performance during set point changes was compared to that of a switched state feedback controller. The hybrid MPC produced smoother transients without overshoot when the set point change traversed several linearizations.

Publishing year

2011

Language

English

Pages

420-425

Publication/Series

Proc. 2011 American Control Conference (ACC2011)

Document type

Conference paper

Topic

  • Control Engineering

Conference name

American Control Conference, 2011

Conference date

2011-06-29 - 2011-07-01

Conference place

San Francisco, California, United States

Status

Published

Project

  • Competence Centre for Combustion Processes

Research group

  • LCCC