Experimental evaluation of predictive combustion phasing control in an HCCI engine using fast thermal management and VVA

Autor: Per Tunestål, Anders Widd, Kent Ekholm, Rolf Johansson
Rok vydání: 2009
Předmět:
Zdroj: CCA/ISIC
IEEE Conference on Control Applications. Proceedings; pp 334-339 (2009)
ISSN: 1085-1992
DOI: 10.1109/cca.2009.5281087
Popis: This paper presents experimental results on model predictive control of the combustion phasing in a Homogeneous Charge Compression Ignition (HCCI) engine. The controllers were based on linearizations of a previously presented physical model of HCCI including cylinder wall temperature dynamics. The control signals were the inlet air temperature and the inlet valve closing. A system for fast thermal management was installed and controlled using mid-ranging control. The resulting control performance was experimentally evaluated in terms of response time and steady-state output variance. For a given operating point, a comparable decrease in steady-state output variance was obtained either by introducing a disturban ce model or by changing linearization point. The robustness towards disturbances was investigated as well as the effects of varying the prediction and control horizons.
Databáze: OpenAIRE