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Real Time Energy Management Control Strategies for an Electrically Supercharged Gasoline Hybrid Vehicle
Technical Paper
2020-01-1009
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The high level of electric power available on a Hybrid Electric Vehicle (HEV) enables the introduction of electrical auxiliaries in addition or in substitution to the ones currently available on a conventional powertrain. Among these auxiliaries, electric Superchargers (eSC) for the improvement of the vehicle performance or electrically heated catalysts for the reduction of the light-off time of the after-treatment may dramatically affect the Energy Management System (EMS) of an HEV. Moreover, since these devices are only fluid-dynamically, but not mechanically, linked to the powertrain, they are traditionally neglected in the optimization of the powersplit between internal combustion engine and electric machines by the EMS. The aim of the current work is the development of an EMS that is able to consider in real time the overall electric energy consumption of the entire powertrain. More in detail, this activity focuses on the refinement of the Equivalent Consumption Minimization Strategy (ECMS) including the power required by an eSC installed on a turbocharged gasoline engine. This innovative EMS is tested by means of numerical simulation on a small SUV (Sport Utility Vehicle) featuring a 48 V electric network over Type Approval and Real Driving Emissions (RDE) driving cycles. The novel EMS shows promising results in terms of eSC energy management and vehicle fuel consumption compared with the baseline.
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Accurso, F., Zanelli, A., Rolando, L., and Millo, F., "Real Time Energy Management Control Strategies for an Electrically Supercharged Gasoline Hybrid Vehicle," SAE Technical Paper 2020-01-1009, 2020, https://doi.org/10.4271/2020-01-1009.Data Sets - Support Documents
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