Selective Catalytic Reduction (SCR) systems have been shown to be the most promising exhaust aftertreatment system for near term in-use applications to meet the stringent US 2010 oxides of nitrogen (NOx) emissions regulations of 0.2 g/bhp-hr for on-highway heavy duty diesel engines. SCR systems use the ammonia-containing compound urea, as a reducing agent. In order to control the urea dosage during transient operation of the engine, sophisticated control strategies are needed. This study discusses the development of an open loop, non-sensor based fuzzy logic urea dosage controller. The goal of the fuzzy logic based control was to achieve maximum NOx emission reduction, while limiting the amount of ammonia slip. The open loop controller was implemented on a heavy duty diesel engine equipped with a catalyzed diesel particulate filter (DPF) and a SCR system. The control system was quantified by operating the engine over different test cycles on an engine dynamometer. This study shows that the fuzzy logic approach is a simple and effective way to control NOx, as well as ammonia slip.
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ASME 2009 Internal Combustion Engine Division Fall Technical Conference
September 27–30, 2009
Lucerne, Switzerland
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
978-0-7918-4363-5
PROCEEDINGS PAPER
Development of an Open Loop Fuzzy Logic Urea Dosage Controller for Use With an SCR Equipped HDD Engine
Raffaello Ardanese
,
Raffaello Ardanese
West Virginia University, Morgantown, WV
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Michelangelo Ardanese
,
Michelangelo Ardanese
West Virginia University, Morgantown, WV
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Marc C. Besch
,
Marc C. Besch
West Virginia University, Morgantown, WV
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Theodore Adams
,
Theodore Adams
West Virginia University, Morgantown, WV
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Arvind Thiruvengadam
,
Arvind Thiruvengadam
West Virginia University, Morgantown, WV
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Benjamin C. Shade
,
Benjamin C. Shade
West Virginia University, Morgantown, WV
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Mridul Gautam
,
Mridul Gautam
West Virginia University, Morgantown, WV
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Adewale Oshinuga
,
Adewale Oshinuga
South Coast Air Quality Management District, Diamond Bar, CA
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Matt Miyasato
Matt Miyasato
South Coast Air Quality Management District, Diamond Bar, CA
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Raffaello Ardanese
West Virginia University, Morgantown, WV
Michelangelo Ardanese
West Virginia University, Morgantown, WV
Marc C. Besch
West Virginia University, Morgantown, WV
Theodore Adams
West Virginia University, Morgantown, WV
Arvind Thiruvengadam
West Virginia University, Morgantown, WV
Benjamin C. Shade
West Virginia University, Morgantown, WV
Mridul Gautam
West Virginia University, Morgantown, WV
Adewale Oshinuga
South Coast Air Quality Management District, Diamond Bar, CA
Matt Miyasato
South Coast Air Quality Management District, Diamond Bar, CA
Paper No:
ICEF2009-14105, pp. 353-363; 11 pages
Published Online:
July 8, 2010
Citation
Ardanese, R, Ardanese, M, Besch, MC, Adams, T, Thiruvengadam, A, Shade, BC, Gautam, M, Oshinuga, A, & Miyasato, M. "Development of an Open Loop Fuzzy Logic Urea Dosage Controller for Use With an SCR Equipped HDD Engine." Proceedings of the ASME 2009 Internal Combustion Engine Division Fall Technical Conference. ASME 2009 Internal Combustion Engine Division Fall Technical Conference. Lucerne, Switzerland. September 27–30, 2009. pp. 353-363. ASME. https://doi.org/10.1115/ICEF2009-14105
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