Vehicle control unit is the key component of electricvehicle

the vehicle controller of pure electric vehicle with composite poweris taken as the object of study. The composition of the vehicle control system is analyzed

thestructure of the composite power is designed

the working mode and energymanagement control strategy of composite power is set

and the vehicle CANcommunication network based on SAE J1939 standard protocol is designed. TheCRUISE software is used to build the vehicle model of the pure electric vehiclewith composite power.The effectiveness of energy allocation at the energy management controlstrategy for the composite power supply is verified. Then an experimental platformis built to test the whole vehicle controller. Experimental results show thatthe system design reliability of the vehicle controller and the energy controlstrategy rationality of the composite power is tested and verified.