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At present, most of the existing control strategies of motor drive system are based on the motor itself, without considering the electric vehicle energy consumption from the perspective of the whole vehicle. Hence, a motor drive system control strategy for electric vehicle energy consumption is proposed in this paper. Combining the electric vehicle driving state with the control of interior permanent magnet synchronous motor (IPMSM), the maximum torque per ampere (MTPA) control strategy of electric vehicle IPMSM based on optimization acceleration curve is established. Then, the proposed method is verified by both Matlab/Simulink simulation and experiment. The simulation and experimental results show that compared with the NEDC urban conditions, the driving range of the electric vehicle drive system control strategy based on optimization acceleration curve has been improved a lot, and the energy consumption per kilometer has also been reduced, which verifies the feasibility and effectiveness of the proposed control strategy.

Research on IPMSM Drive System Control Technology for Electric Vehicle Energy Consumption