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 journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

Motivated by automotive emission legislations, a Virtual NOx sensor is developed. This virtual sensor consists of a realtime,
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 sensor.
Original languageEnglish
Pages (from-to)1037-1046
Number of pages10
JournalInternational Journal of Engine Research
Volume20
Issue number10
DOIs
Publication statusE-pub ahead of print - 26 Jun 2019

Fingerprint

Emission control
Engines
Sensors
Engine cylinders
Frequency response
Diesel engines

Keywords

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

Cite this

Mentink, Paul R. ; Escobar Valdivieso, D. ; Forrai, Alexandru ; Seykens, Xander ; Willems, Frank. / Experimental validation of a virtual engine-out NOx sensor for diesel emission control. In: International Journal of Engine Research. 2019 ; Vol. 20, No. 10. pp. 1037-1046.
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Experimental validation of a virtual engine-out NOx sensor for diesel emission control. / Mentink, Paul R. (Corresponding author); Escobar Valdivieso, D.; Forrai, Alexandru; Seykens, Xander; Willems, Frank.

In: International Journal of Engine Research, Vol. 20, No. 10, 26.06.2019, p. 1037-1046.

Research output: Contribution to journalArticleAcademicpeer-review

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