Abstract
ABSTRACTThis paper presents a detailed Hybrid Electric Vehicle (HEV) modelling methodbased on a multi-physics approach. The model is introduced in order to providedesign engineers with the capability to investigate effects of component selectionand to develop control systems and automatic optimization processes for HEVs. Afull drivetrain system of a series/parallel HEV is developed including the internalcombustion engine (ICE), the motor generator (MG) and the power split device(PSD) along with the vehicle longitudinal dynamics. All aspects of rotational inertialdynamics, friction, damping and stiffness properties are considered. The interactionbetween all these modules is implemented in the MATLAB/Simulink/Simscapeblockset environment. The concepts of modularity, flexibility, and user-friendlyinterface are emphasized during the model development. The numerical simulationresults are compared with the analytical results of the same hybrid power train. Theconvergence between the results makes the model convenient for the futureoptimization techniques on HEV.
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