Steady state fuel consumption optimization through feedback control of estimated cylinder individual efficiency
(2012) American Control Conference, 2012 In Proceedings of the American Control Conference p.4210-4214- Abstract
- Engine efficiency is often controlled in an indirect
way through combustion timing control. This requires a priori
knowledge of where to phase the combustion for different
operating points and conditions. With cylinder individual efficiency
estimation, control strategies aiming directly at fuel
consumption optimization can be developed. It has previously
been shown that indicated efficiency can be estimated using the
cylinder pressure trace. This paper presents a method to use
the estimated efficiency as a feedback variable in an extremum
seeking control strategy for online steady state fuel consumption
optimization. The experimental results show that the controller
manages to find the maximum... (More) - Engine efficiency is often controlled in an indirect
way through combustion timing control. This requires a priori
knowledge of where to phase the combustion for different
operating points and conditions. With cylinder individual efficiency
estimation, control strategies aiming directly at fuel
consumption optimization can be developed. It has previously
been shown that indicated efficiency can be estimated using the
cylinder pressure trace. This paper presents a method to use
the estimated efficiency as a feedback variable in an extremum
seeking control strategy for online steady state fuel consumption
optimization. The experimental results show that the controller
manages to find the maximum brake torque region at the given
operating point both with and without external excitation. (Less) - Abstract (Swedish)
- Engine efficiency is often controlled in an indirect way through combustion timing control. This requires a priori knowledge of where to phase the combustion for different operating points and conditions. With cylinder individual efficiency estimation, control strategies aiming directly at fuel consumption optimization can be developed. It has previously been shown that indicated efficiency can be estimated using the cylinder pressure trace. This paper presents a method to use the estimated efficiency as a feedback variable in an extremum seeking control strategy for online steady state fuel consumption optimization. The experimental results show that the controller manages to find the maximum brake torque region at the given operating... (More)
- Engine efficiency is often controlled in an indirect way through combustion timing control. This requires a priori knowledge of where to phase the combustion for different operating points and conditions. With cylinder individual efficiency estimation, control strategies aiming directly at fuel consumption optimization can be developed. It has previously been shown that indicated efficiency can be estimated using the cylinder pressure trace. This paper presents a method to use the estimated efficiency as a feedback variable in an extremum seeking control strategy for online steady state fuel consumption optimization. The experimental results show that the controller manages to find the maximum brake torque region at the given operating point both with and without external excitation. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3c5ac270-eda7-4285-927d-057836603743
- author
- Lewander, Magnus LU ; Widd, Anders LU ; Tunestål, Per LU and Johansson, Bengt LU
- organization
- publishing date
- 2012-10-02
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- host publication
- Proceedings of the 2012 American Control Conference
- series title
- Proceedings of the American Control Conference
- pages
- 4210 - 4214
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- American Control Conference, 2012
- conference location
- Montréal, Canada
- conference dates
- 2012-06-27 - 2012-06-29
- external identifiers
-
- scopus:84869438307
- ISSN
- 0743-1619
- 2378-5861
- ISBN
- 978-1-4577-1095-7
- 978-1-4577-1096-4
- DOI
- 10.1109/ACC.2012.6315075
- language
- English
- LU publication?
- yes
- id
- 3c5ac270-eda7-4285-927d-057836603743
- date added to LUP
- 2017-12-12 16:31:06
- date last changed
- 2024-03-01 12:09:45
@inproceedings{3c5ac270-eda7-4285-927d-057836603743,
abstract = {{Engine efficiency is often controlled in an indirect<br/>way through combustion timing control. This requires a priori<br/>knowledge of where to phase the combustion for different<br/>operating points and conditions. With cylinder individual efficiency<br/>estimation, control strategies aiming directly at fuel<br/>consumption optimization can be developed. It has previously<br/>been shown that indicated efficiency can be estimated using the<br/>cylinder pressure trace. This paper presents a method to use<br/>the estimated efficiency as a feedback variable in an extremum<br/>seeking control strategy for online steady state fuel consumption<br/>optimization. The experimental results show that the controller<br/>manages to find the maximum brake torque region at the given<br/>operating point both with and without external excitation.}},
author = {{Lewander, Magnus and Widd, Anders and Tunestål, Per and Johansson, Bengt}},
booktitle = {{Proceedings of the 2012 American Control Conference}},
isbn = {{978-1-4577-1095-7}},
issn = {{0743-1619}},
language = {{eng}},
month = {{10}},
pages = {{4210--4214}},
publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
series = {{Proceedings of the American Control Conference}},
title = {{Steady state fuel consumption optimization through feedback control of estimated cylinder individual efficiency}},
url = {{http://dx.doi.org/10.1109/ACC.2012.6315075}},
doi = {{10.1109/ACC.2012.6315075}},
year = {{2012}},
}