矢量控制的电动汽车驱动电机控制系统研究  

Research on Electric Vehicle Drive Motor Control System with Vector Control

作　　者：李百华[1] LI Baihua(Automobile College,Guangdong Vocational College of Mechanical&Electrical Technology,Guangzhou 510515,China)

机构地区：[1]广东机电职业技术学院汽车学院,广东广州510515

出　　处：《自动化仪表》2025年第2期57-61,66,共6页Process Automation Instrumentation

基　　金：广东省高校重点领域专项基金资助项目(2023ZDZX3055、2020ZDZX2085);广东机电职业技术学院校级重点基金资助项目(YJZD20220032、ZXRW20220055)。

摘　　要：驱动电机数学模型建立的优劣直接影响驱动电机控制性能。通过对电动汽车驱动电机的分析,提出1种矢量控制的电动汽车驱动电机控制系统。通过对矢量方法控制原理的分析,利用电压空间矢量脉冲宽度调制技术实现电动汽车驱动电机电磁转矩的恒定控制,从而建立电动汽车交流感应驱动电机的矢量控制模型。矢量控制模型包括转子磁场矢量控制模型、数字调节器和弱磁控制这三个部分。通过矢量控制模型的建立,实现电动汽车交流感应驱动电机的控制。以矢量控制理论为基础的交流感应电机数学模型的建立,降低了驱动电机的研究难度、提升了驱动电机控制的准确性。该研究为电动汽车驱动电机的控制提供了一种可行的数学模型建立方式和控制方法。The advantages and disadvantages of the establishment of the mathematical model of the drive motor directly affect the control performance of the drive motor.By analyzing the electric vehicle drive motor,a vector control electric vehicle drive motor control system is proposed.Through the analysis of the control principle of vector method,the voltage space vector pulse width modulation technique is used to realize the constant control of electromagnetic torque of electric vehicle drive motor,so as to establish the vector control model of alternating current induction drive motor of electric vehicle.The vector control model includes three parts:rotor magnetic field vector control model,digital regulator and weak magnetic control.Through the establishment of the vector control model,the control of the alternating current induction drive motor for electric vehicles is realized.The establishment of the mathematical model of the alternating current induction motor based on the vector control theory reduces the difficulty of the study of the drive motor and improves the accuracy of the drive motor control.This research provides a feasible mathematical model establishment method and control method for the control of electric vehicle drive motors.

关 键 词：电动汽车 交流感应电机 电机控制 矢量控制 矢量变换 电压空间脉宽调制技术 

分 类 号：TH-39[机械工程]