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Closed-loop Combustion Control of Homogeneous Charge Compression Ignition (HCCI) Engine Dynamics

Bengtsson, Johan LU ; Strandh, Petter; Johansson, Rolf LU ; Tunestål, Per LU and Johansson, Bengt LU (2004) In International Journal of Adaptive Control and Signal Processing 18(2). p.167-179
Abstract
Homogeneous charge compression ignition (HCCI) is a hybrid of the sparkignition and compression ignition engine concepts. As in a sparkignition engine, a homogeneous fuel-air mixture is created in theinlet system. During the compression stroke the temperature of themixture increases and reaches the point of auto ignition, just as in acompression ignition engine (or Diesel). One challenge with HCCI engines isthe need for good timing control of the combustion. Auto ignition of ahomogeneous mixture is very sensitive to operating condition. Evensmall variations of the load can change the timing from too early totoo late combustion. Thus a fast combustion timing control isnecessary since it sets the performance limitation of the loadcontrol. As... (More)
Homogeneous charge compression ignition (HCCI) is a hybrid of the sparkignition and compression ignition engine concepts. As in a sparkignition engine, a homogeneous fuel-air mixture is created in theinlet system. During the compression stroke the temperature of themixture increases and reaches the point of auto ignition, just as in acompression ignition engine (or Diesel). One challenge with HCCI engines isthe need for good timing control of the combustion. Auto ignition of ahomogeneous mixture is very sensitive to operating condition. Evensmall variations of the load can change the timing from too early totoo late combustion. Thus a fast combustion timing control isnecessary since it sets the performance limitation of the loadcontrol. As measurement for combustion timing feedback, the crank angleof 50% burnt has been used. This paper performs a comparative studyof different cylinder-pressure based methods for estimating the crankangle of 50% burnt. The estimates are compared in terms of accuracy,robustness and feasibility for cycle-to-cycle real-time control.Dynamic models of CA50 are estimated using system identification asa means to find models relevant to engine control. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
closed-loop combustion control, HCCI, combustion engine, subspace-based identification
in
International Journal of Adaptive Control and Signal Processing
volume
18
issue
2
pages
167 - 179
publisher
John Wiley & Sons
external identifiers
  • wos:000220613800006
  • scopus:1842422966
ISSN
0890-6327
DOI
10.1002/acs.788
language
English
LU publication?
yes
id
c4ef77f8-df6e-4db8-a344-ecd2e94c1f30 (old id 161432)
date added to LUP
2007-06-21 13:37:40
date last changed
2017-11-05 03:31:31
@article{c4ef77f8-df6e-4db8-a344-ecd2e94c1f30,
  abstract     = {Homogeneous charge compression ignition (HCCI) is a hybrid of the sparkignition and compression ignition engine concepts. As in a sparkignition engine, a homogeneous fuel-air mixture is created in theinlet system. During the compression stroke the temperature of themixture increases and reaches the point of auto ignition, just as in acompression ignition engine (or Diesel). One challenge with HCCI engines isthe need for good timing control of the combustion. Auto ignition of ahomogeneous mixture is very sensitive to operating condition. Evensmall variations of the load can change the timing from too early totoo late combustion. Thus a fast combustion timing control isnecessary since it sets the performance limitation of the loadcontrol. As measurement for combustion timing feedback, the crank angleof 50% burnt has been used. This paper performs a comparative studyof different cylinder-pressure based methods for estimating the crankangle of 50% burnt. The estimates are compared in terms of accuracy,robustness and feasibility for cycle-to-cycle real-time control.Dynamic models of CA50 are estimated using system identification asa means to find models relevant to engine control.},
  author       = {Bengtsson, Johan and Strandh, Petter and Johansson, Rolf and Tunestål, Per and Johansson, Bengt},
  issn         = {0890-6327},
  keyword      = {closed-loop combustion control,HCCI,combustion engine,subspace-based identification},
  language     = {eng},
  number       = {2},
  pages        = {167--179},
  publisher    = {John Wiley & Sons},
  series       = {International Journal of Adaptive Control and Signal Processing},
  title        = {Closed-loop Combustion Control of Homogeneous Charge Compression Ignition (HCCI) Engine Dynamics},
  url          = {http://dx.doi.org/10.1002/acs.788},
  volume       = {18},
  year         = {2004},
}