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Energies 2014, 7(5), 3148-3178; doi:10.3390/en7053148

Equivalent Consumption Minimization Strategy for the Control of Real Driving NOx Emissions of a Diesel Hybrid Electric Vehicle

1
Institute for Dynamic Systems and Control, ETH Zurich, Sonneggstrasse 3, Zurich 8092, Switzerland
2
Department of Industrial Engineering, University of Bologna, Viale Risorgimento 2, Bologna 40136, Italy
*
Author to whom correspondence should be addressed.
Received: 11 March 2014 / Accepted: 30 April 2014 / Published: 12 May 2014
(This article belongs to the Special Issue Advances in Hybrid Vehicles)
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Abstract

Motivated by the fact that the real driving NOx emissions (RDE) of conventional diesel vehicles can exceed the legislation norms by far, a concept for the control of RDE with a diesel parallel hybrid electric vehicle (HEV) is proposed. By extending the well-known equivalent consumption minimization strategy (ECMS), the power split degree of freedom is used to control the NOx emissions and the battery state of charge (SOC) simultaneously. Through an appropriate formulation of the problem, the feedback control is shown to be separable into two dependent PI controllers. By hardware-in-the-loop (HIL) experiments, as well as by simulations, the proposed method is shown to minimize the fuel consumption while tracking a given reference trajectory for both the NOx emissions and the battery SOC. View Full-Text
Keywords: hybrid electric vehicle (HEV); energy management; real-driving emissions hybrid electric vehicle (HEV); energy management; real-driving emissions
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Nüesch, T.; Cerofolini, A.; Mancini, G.; Cavina, N.; Onder, C.; Guzzella, L. Equivalent Consumption Minimization Strategy for the Control of Real Driving NOx Emissions of a Diesel Hybrid Electric Vehicle. Energies 2014, 7, 3148-3178.

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