Experimental validation of a virtual engine-out NOx sensor for diesel emission control

Paul R. Mentink; D. Escobar Valdivieso; Alexandru Forrai; Xander Seykens; Frank Willems

doi:10.1177/1468087419857584

Experimental validation of a virtual engine-out NOx sensor for diesel emission control

Paul R. Mentink (Corresponding author), D. Escobar Valdivieso, Alexandru Forrai, Xander Seykens, Frank Willems

Research output: Contribution to journal › Article › Academic › peer-review

6 Citations (Scopus)

Abstract

Motivated by automotive emission legislations, a Virtual NOx sensor is developed. This virtual sensor consists of a real-time, phenomenological model that computes engine-out NOx by using the measured in-cylinder pressure signal from a single cylinder as its main input. The implementation is made on a Field Programmable Gate Array–Central Processing Unit architecture to ensure the NOx computation is ready at the end of the combustion cycle. The Virtual NOx sensor is tested and validated on an EURO-VI Heavy-Duty Diesel engine platform. The Virtual NOx sensor is proven to meet the accuracy of a production NOx sensor for steady-state conditions and has better frequency response compared to the production NOx senso

Original language	English
Pages (from-to)	1037-1046
Number of pages	10
Journal	International Journal of Engine Research
Volume	20
Issue number	10
DOIs	https://doi.org/10.1177/1468087419857584
Publication status	Published - 1 Dec 2019

Keywords

NO emissions
diesel emission control
embedded systems
real-time combustion modelling
virtual sensing
NOx emissions

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10.1177/1468087419857584

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title = "Experimental validation of a virtual engine-out NOx sensor for diesel emission control",

abstract = "Motivated by automotive emission legislations, a Virtual NOx sensor is developed. This virtual sensor consists of a real-time, phenomenological model that computes engine-out NOx by using the measured in-cylinder pressure signal from a single cylinder as its main input. The implementation is made on a Field Programmable Gate Array–Central Processing Unit architecture to ensure the NOx computation is ready at the end of the combustion cycle. The Virtual NOx sensor is tested and validated on an EURO-VI Heavy-Duty Diesel engine platform. The Virtual NOx sensor is proven to meet the accuracy of a production NOx sensor for steady-state conditions and has better frequency response compared to the production NOx senso",

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AU - Willems, Frank

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Experimental validation of a virtual engine-out NOx sensor for diesel emission control

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