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Closed-loop System Identification of an HCCI Engine

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Author

Editor

  • G Rizzo
  • L Gielmo
  • C Pianese
  • F Vasca

Summary, in English

Homogeneous Charge Compression Ignition (HCCI) is a promising but challenging combustion engine concept. The potential for good fuel economy and low emissions is high but the transient performance required for automotive applications presents a few problems still to be solved. The focus of this work is identification of the process dynamics. An ARX type model is fitted to input-output data. A method applicable under closed-loop control is suggested and demonstrated. The resulting models are evaluated in terms of the repeatability of model characteristics, prediction accuracy, residual characteristics and comparison to spectral models is made.

Publishing year

2004

Language

English

Publication/Series

Advances in Automotive Control

Document type

Conference paper

Publisher

Elsevier

Topic

  • Other Mechanical Engineering
  • Control Engineering

Keywords

  • Pseudo random sequences
  • Engine control
  • HCCI
  • Closed-loop identification

Status

Published

Project

  • Competence Centre for Combustion Processes

ISBN/ISSN/Other

  • ISBN: 0-08-044250-1