Energy Management Strategy And Fuel Economy Analysis Of Hybrid Electric Vehicles Based On Data Acquisitio

With the increasingly prominent problem of environmental and energy,energy saving and new energy vehicles development is gradually become the focus of the study.As an important part of energy saving and new energy vehicles,the Hybrid Electric Vehicle(HEV)has an increasingly attention of its research.Compared with traditional fuel vehicle,the HEV has a better fuel economy and emission performance.The focus in the study of HEV is how to improve the fuel economy and reduce their emissions.When the structure of HEV has been determined,its fuel economy has a contact with its energy management strategy and running condition.In order to have a comprehensive analysis of the fuel economy of HEV,the energy management strategy should been analysis strategy first.In this dissertation,a Parallel Hybrid Electric Vehicle(PHEV)has been tested and the original data of the PHEV has been collected.Then study the PHEV’s energy management strategy according to the data.At the same time,collect the data form the other five brands of HEVs.Then analyzed the fuel economy of HEVs which worked in the same bus route,analyzed the fuel economy of HE Vs which worked in the different bus route,analyzed the fuel economy of HEVs which have same structure,analyzed the fuel economy of HEVs which have different structure.The results show that the PHEVs have a great oil-saving and a low fault rate during demonstration running.At the same time,the energy management strategy can be optimized.The HEVs have different fuel consumption and rate of fuel saving when they worked in the same bus route,it shows that standard the driver’s driving behavior make a contribute to the HEVs have a better oil-saving.The HEVs have different fuel consumption and rate of fuel saving when they worked in the different bus route,because the HEVs working in different bus route have different driving cycle.Different Parallel Hybrid Electric Vehicles(PSHEVs)have an obvious otherness about their fuel consumption.Because different PSHEVs have different energy management strategy and different energy management strategy have a different adaptability for same driving cycle.And the more energy recycle,the less fuel consumption the vehicles have.The PSHEVs have a greater oil-saving than the PHEVs.