Influence of the heating system on the fuel consumption of a hybrid electric vehicle

[Display omitted] •Multi-physical models of Hybrid Electric Vehicles.•Interconnection of models using Energetic Macroscopic Representation.•Experimental validations of the multi-physical models.•Impact of the heating system on the vehicle fuel consumption. This research work aims to study the impact...

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Bibliographic Details
Published in:Energy conversion and management 2016-12, Vol.129 (2016), p.250-261
Main Authors: Horrein, L., Bouscayrol, A., Cheng, Y., Dumand, C., Colin, G., Chamaillard, Y.
Format: Article
Language:English
Subjects:
Automatic
Batteries
Charging
Climatic conditions
Computer simulation
Electric vehicles
Energy consumption
Energy management
Engineering Sciences
Fuel consumption
Heating
Heating system
Hybrid electric vehicle
Hybrid electric vehicles
Hybrid vehicles
Impact analysis
Impact strength
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Summary:[Display omitted] •Multi-physical models of Hybrid Electric Vehicles.•Interconnection of models using Energetic Macroscopic Representation.•Experimental validations of the multi-physical models.•Impact of the heating system on the vehicle fuel consumption. This research work aims to study the impact of the heating system on the fuel consumption of a hybrid electric vehicle (HEV). The thermal engine is less used in an HEV than in a thermal vehicle, thus the cabin heating is partly ensured by electrical resistances. However, because the battery is partly charged by the thermal engine, this electrical heating has an impact on the fuel consumption. In the present work, a multi-domain model is proposed to analyze the impact of the heating system on the fuel consumption of a HEV. The models of the different physical subsystems are organized and unified by energetic macroscopic representation (EMR). Experimental validations, with an accuracy of 95%, are provided for each subsystem model. The validated simulation models are used to study the impact of the heating system for a specific driving cycle and climatic condition. For a simple energy management strategy (EMS), there is an over-consumption of 19% that is due to the heating system. When a more efficient EMS is used, the over-consumption is reduced to 12%. This study shows the interest in developing advanced energy management strategies that couple the traction and the heating functions of the vehicle.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2016.10.030