Research on Energy Management Strategy of Power Split Hybrid Electric Vehicle
Hybrid electric vehicle uses internal combustion engine and motor as driving source,which can overcome the problems of low efficiency of traditional internal combustion engine and short driving range of pure electric vehicle.How to distribute the two driving sources reasonably has become the key problem of hybrid electric vehicle energy management.A co-simulation plat-form of AMESim and MATLAB/Simulink is built for a compound power split power system.The energy management strategy of CS based on rules and energy management strategy based on dynamic programming algorithm are simulated and analyzed un-der NEDC and WLTC conditions.The optimal fuel consumption of NEDC and WLTC based on dynamic programming algorithm is5.77L/100kmand6.57L/100kmrespectively,which is reduced by4.15%and6.3%compared with the rule control strategy.
Hybrid Electric VehicleEnergy Management StrategyDynamic Programming Algorithm
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