| Plug-in hybrid electric vehicle is a transition product which is developing from the traditional fuel vehicle to the pure electric vehicle.It has the advantage of the pure electric vehicles’ no pollution and the advantage of the traditional fuel vehicles’ long mileage,so before the power battery of pure electric vehicle has no technical breakthrough,Plug-in hybrid electric vehicle has received more and more attention of market and customers as a new energy vehicles transition products,lots of big car companies research and development plug-in electric hybrid vehicle.This paper is based on BJEV’s project which research in the vehicle’s power performance and economic simulation through analysising power train matching and control strategy.According to the project making the vehicle power and economy design index,this paper is researching the engine,gearbox,motor,power battery and other parameters of the matching calculation which is combining with automobile theory knowledge.Then,I build model of vehicle dynamic system simulation mode in the AMESIM software.Through the analysis in the working mode of the Plug-in hybrid electric vehicle,I formulate the control strategy based on logic gate limit,and establish the model of control strategy in Matlab / Simulink software importing to AMESim software for CO simulation.According to the simulation results,it is shown that both the dynamic and economic indexes meet the design requirements.The results show that engine and motor is worked in good condition,which is worked in the optimal efficiency zone.The proper power distribution,start and stop of engine and motor,brake energy feedback in the enactment zone can be realized reasonably based on control strategy.The content of the research was fully verified the calculation and model simulation mode is effective for the future,it make positive significance to the research and development of PHEV dynamic system. |