NDLI: Reliable reference determination for diesel engine emission control

Content Provider	IEEE Xplore Digital Library
Author	Waschl, H. Alberer, D. Kerschbaummayr, A. del Re, L.
Copyright Year	2012
Description	Author affiliation: BMW Motoren GmbH, Steyr, Austria (Kerschbaummayr, A.) \|\| Inst. for Design & Control of Mechatronical Syst., Johannes Kepler Univ., Linz, Austria (Waschl, H.; Alberer, D.; del Re, L.)
Abstract	To meet the current and upcoming emission legislation, engine air system control is a crucial aspect. To this end different approaches from SISO control in combination with feedforward structures up to advanced MIMO strategies are proposed in the literature. However, for each control strategy a reference quantity is necessary. Although it seems sensible to directly use the exhaust emission concentrations in a closed loop control, unfortunately a fast and accurate online measurement is seldom available. A typical approach to circumvent this issue is to use auxiliary quantities like fresh air mass flow, whereas the according reference values for these quantities are obtained during engine development. This paper presents a different approach where not only one but a combination of different candidates is used to define an optimal reference for the EGR valve control. The target for the overall control is to maintain a constant nitric oxides $(NO_{x})$ level during steady state operation without explicit $NO_{x}$ measurement. Furthermore, a scheduling method is proposed to take into account the expected errors on the sensor signals depending on the current operating region. Finally the control was applied on a mean value engine simulation model and showed satisfactory results.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	4215
Ending Page	4220
File Size	1122712
Page Count	6
File Format	PDF
ISBN	9781457710957
ISSN	07431619
e-ISBN	9781457710964
e-ISBN	9781467321020
DOI	10.1109/ACC.2012.6315105
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Accuracy Manifolds Fuels Sensitivity Steady-state Diesel engines
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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