Modeling and Simulation of Hybrid Vehicle Control System by Using MATLAB Simulink
Corressponding author's email:
mienlv97@gmail.comDOI:
https://doi.org/10.54644/jte.76.2023.1350Keywords:
Hybrid electric vehicle (HEV), internal combustion engine (ICE), Traction motor (MG2), Motor/generator (MG1), Control strategies, Fuel consumption, Emissions, Driving cycle testAbstract
Nowadays, automotive manufacturers are increasingly leading the development of hybrid vehicles due to growing energy consumption and increased emissions. The power-split hybrids, due to the simultaneous use of speed and torque couplings, have integrated the advantages of series and parallel hybrid systems and minimized their disadvantages [1]. However, optimization of its operation mode depends on many components, such as an internal combustion engine (ICE), traction motor (MG2), motors and generators (MG1), a battery, and a power-split device [2]. Therefore, the control strategy development for power-split hybrid electric vehicles (HEV) always needs to be improved and developed. This study is no exception, focusing on control strategies of power flow in a power-split HEV system. The control system model had been built with the MATLAB/Simulink package, and the simulation results showed optimal operation of each component in the control system. Fuel consumption of ICE decreased by 54,79% and 53,09% in two typical driving cycle tests (NEDC and FTP-75), and emissions of the three main components in the exhaust gas CO, HC, decreased by 0,39%, 0,26%, and 0,93%, respectively, according to the NEDC, and by 4,4%, 4,9%, and 3,7%, according to the FTP-75 driving cycle test.
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