Journal
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume 72, Issue 9, Pages 11458-11468Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2023.3266829
Keywords
Fuel economy; electric vehicles; predictive models; road vehicles
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The article discusses the operational aspects of energy management strategy (EMS) - model predictive control (MPC) and presents a mathematical model for hybrid electric vehicle (HEV) to demonstrate the synergy of working machines. The comparison of results between factory control and MPC with different linear quadratic tracking (LQT) curves shows that applying thirteen reference LQT trajectories can result in a 4% reduction in fuel consumption for the HEV.
The article presents operational aspects related to energy management strategy (EMS) - model predictive control (MPC). The mathematical model showing the synergy of working machines of the hybrid electric vehicle (HEV) was presented. Then the results of road tests have been shown. They were based on the factory control of the above-mentioned system. The results of the operating parameters of the system according to the factory control and the results of the operating parameters according to the MPC with different linear quadratic tracking (LQT) curves were compared. Application of thirteen reference LQT trajectories results in lower fuel consumption of the HEV. It led to changes in the power and the battery state of charge (SOC): for factory control - from 50.1% (the beginning) to 56.1% (the end of course) and for MPC from 50.1% (the beginning) to 59.9% (the end of the course). The applied MPC with 13 reference trajectories (LQT) of power machines of the series-parallel HEV allowed for fuel savings on the level of 4%.
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