Comparison of Cycle Reduction and Model Reduction Strategies for the Design Optimization of Hybrid Powertrains on Driving Cycles

Adham Kaloun, Stéphane Brisset, Maxime Ogier, Mariam Ahmed and Robin Vincent
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Adham Kaloun: Arts et Metiers Institute of Technology, Université de Lille, Centrale Lille, Junia, ULR 2697-L2EP, F-59000 Lille, France
Stéphane Brisset: Arts et Metiers Institute of Technology, Université de Lille, Centrale Lille, Junia, ULR 2697-L2EP, F-59000 Lille, France
Maxime Ogier: CNRS, Université de Lille, Inria, Centrale Lille, UMR 9189 CRIStAL, F-59000 Lille, France
Mariam Ahmed: Valeo Equipements Electrique Moteur, 94400 Créteil, France
Robin Vincent: Valeo Equipements Electrique Moteur, 94400 Créteil, France

Energies, 2021, vol. 14, issue 4, 1-24

Abstract: Decision-making is a crucial and difficult step in the design process of complex systems such as the hybrid powertrain. Finding an optimal solution requires the system feedback. This can be, depending on the granularity of the models at the component level, highly time-consuming. This is even more true when the system’s performance is determined by its control. In fact, various possibilities can be selected to deliver the required torque to the wheels during a driving cycle. In this work, two different design strategies are proposed to minimize the fuel consumption and the cost of the hybrid powertrain. Both strategies adopt the iterative framework which allows for the separation of the powertrain design problem and its control while leading to system optimality. The first approach is based on model reduction, while the second approach relies on improved cycle reduction techniques. They are then applied to a parallel hybrid vehicle case study, leading to important cost reduction in reasonable delays and are compared using different metrics.

Keywords: cycle reduction; hybrid electric vehicle; model reduction; optimal control; optimal design; electric machines; Plant/Controller optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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