关键词: 电动汽车, 双电机, 控制策略, 能耗

Abstract: To reduce energy consumption of auto powertrain and extend continuous mileage,for a new dual-motor Electric Vehicle(EV) powertrain,the energy consumption based control strategy was proposed.The EV demand torque was acquired based on driver's intention,and the torque compensation strategy for energy consumption was presented by considering pedal information,road information,motor information and battery information.Moreover,the workspace of four operating modes was determined based on the principle of minimum energy consumption,and the dual-motor speed and torque distribution table for low energy consumption was developed,which could distribute the motors torque and speed quickly and efficiently.The simulation model of dual-motor powertrain was established with MATLAB/Simulink to verify the proposed control strategy,and the simulation results demonstrated its reliability.

Key words: electric vehicle, dual-motor, control strategy, energy consumption