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Energies 2017, 10(12), 1978; doi:10.3390/en10121978

A New Control-Oriented Semi-Empirical Approach to Predict Engine-Out NOx Emissions in a Euro VI 3.0 L Diesel Engine

1
Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
2
FPT Motorenforschung AG, Schlossgasse 2, 9320 Arbon, Switzerland
*
Author to whom correspondence should be addressed.
Received: 31 October 2017 / Revised: 23 November 2017 / Accepted: 26 November 2017 / Published: 29 November 2017
(This article belongs to the Section Energy Fundamentals and Conversion)
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Abstract

The present study is focused on the development of a new control-oriented semi-empirical model to predict nitrogen oxide (NOx) emissions in a light-duty diesel engine under both steady-state and transient conditions. The model is based on the estimation of the deviations of NOx emissions, with respect to the nominal engine-calibration map values, as a function of the deviations of the intake oxygen concentration and of the combustion phasing. The model also takes into account the effects of engine speed, total injected quantity, and ambient temperature and humidity. The approach has been developed and assessed on an Fiat Powertrain Technologies (FPT) Euro VI 3.0 L diesel engine for light-duty applications, in the frame of a research project in collaboration with FPT Industrial. The model has also been tested on a rapid prototyping device, and it was shown that it requires a very short computational time, thus being suitable for implementation on the Engine Control Unit (ECU) for real-time NOx control tasks. View Full-Text
Keywords: light-duty; diesel; control-oriented; NOx; model light-duty; diesel; control-oriented; NOx; model
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Finesso, R.; Hardy, G.; Maino, C.; Marello, O.; Spessa, E. A New Control-Oriented Semi-Empirical Approach to Predict Engine-Out NOx Emissions in a Euro VI 3.0 L Diesel Engine. Energies 2017, 10, 1978.

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