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Title: The state of the art in selective catalytic reduction control
Authors: Skaf, Zakwan
Aliyev, Timur
Shead, Leo
Steffen, Thomas
Issue Date: 2014
Publisher: © SAE International
Citation: SKAF, Z. ... et al, 2014. The state of the art in selective catalytic reduction control. Presented at: SAE 2014 World Congress and Exhibition, 8th-10th April 2014, Detroit, USA. Paper 2014-01-1533
Series/Report no.: SAE Technical Paper;2014-01-1533
Abstract: Selective Catalytic Reduction (SCR) is a leading aftertreatment technology for the removal of nitrogen oxide (NOx) from exhaust gases (DeNOx). It presents an interesting control challenge, especially at high conversion, because both reagents (NOx and ammonia) are toxic, and therefore an excess of either is highly undesirable. Numerous system layouts and control methods have been developed for SCR systems, driven by the need to meet future emission standards. This paper summarizes the current state-of-the-art control methods for the SCR aftertreatment systems, and provides a structured and comprehensive overview of the research on SCR control. The existing control techniques fall into three main categories: traditional SCR control methods, model-based SCR control methods, and advanced SCR control methods. For each category, the basic control technique is defined. Further techniques in the same category are then explained and appreciated for their relative advantages and disadvantages. Thus this paper presents a snapshot of the current state of the art for the research area of SCR control. This is a very active field, and it is hoped that by providing a better understanding of the different control strategies already developed for SCR control, future areas of interest will be identified and developed with the ultimate aim of satisfying the increasingly stringent emissions legislation. Copyright © 2014 SAE International.
Description: Copyright © 2014 SAE International. This paper is posted on this site with permission from SAE International. It may not be shared, downloaded, transmitted in any manner, or stored on any additional repositories or retrieval system without prior written permission from SAE.
Version: Accepted for publication
DOI: 10.4271/2014-01-1533
URI: https://dspace.lboro.ac.uk/2134/17381
Publisher Link: http://dx.doi.org/10.4271/2014-01-1533
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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