汽车永磁同步电机切换函数式混合控制策略

doi:10.19562/j.chinasae.qcgc.2023.04.010

Abstract

Abstract:

In order to improve the working efficiency of the driving system of electric vehicles equipped with permanent magnet synchronous motor （PMSM）， enhance the stationarity and response speed of the motion process， so as to improve the overall dynamic control performance of the driving system of electric vehicles， in this paper， switching functional hybrid control technology is proposed and designed based on the analysis of electric motor operating characteristics and feedback control principle derivation. The control technology can effectively improve the dynamic and static performance and robustness of the vehicle motor control system. In order to verify the effectiveness of the proposed control technology， a simulation model is established for simulation and analysis. The experimental platform is built for experimental verification. The simulation and experimental results show that the proposed control technology has the advantages of fast output response， no overshooting or oscillation， which can improve the efficiency of the motor， optimize the output characteristics of its drive system， and enhance the control performance of the electric vehicle drive system.

Key words: PMSM, electric vehicles, pseudo differential control, switching function

Zhiheng Wu,Aimin Liu. Switching Functional Hybrid Control Strategy for Permanent Magnet Synchronous Motor of Electric Vehicle[J].Automotive Engineering, 2023, 45(4): 619-627.

Figures/Tables 15

References 16

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参数	数值
额定功率/kW	45
持续功率/kW	90
峰值功率/kW	130
持续转矩/（N·m）	130
峰值转矩/（N·m）	320
额定转速/（r·min^-1）	3 500
最高转速/（r·min^-1）	10 000
工作制	S9
绝缘等级	H级
防护等级	IP67
冷却方式	水冷
外形尺寸/mm	Φ286×271

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Switching Functional Hybrid Control Strategy for Permanent Magnet Synchronous Motor of Electric Vehicle

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