摘要
根据永磁同步电机的结构特点建立了不同参考坐标系下的数学模型,并在Matlab/Simulink中建立了电机控制系统的仿真模型。针对传统PI控制策略超调量过大的问题,设计了一种PI与SVPWM联合控制策略。为了验证PI与SVPWM联合控制策略的性能,将其与PI控制、滞环电流控制进行了对比研究。结果表明,PI与SVPWM联合控制策略的超调量为17.7%,远小于PI控制策略的33.4%和滞环电流控制策略的65.18%,控制过程更加平稳。PI与SVPWM联合控制策略作为电动汽车专用PMSM控制器的控制策略,能够满足电机的运行要求。
Based on the structure characteristics of PMSM,the mathematical models under different reference coordinate systems are established,and the simulation model of the motor control system is established in Matlab/Simulink.To solve the overshoot problem of traditional PI control strategy,a combined PI and SVPWM control strategy is designed.In order to verify the performance of the combined PI and SVPWM control strategy,it is compared with PI control and hysteresis current control.The results show that the overshoot of the combined PI and SVPWM control strategy is 17.7%,which is much smaller than 33.4%of the PI control strategy and 65.18%of the hysteresis current control strategy,and the control process is more stable.The combined PI and SVPWM control strategy,as the control strategy of PMSM controller for EV,can meet the operation requirements of the motor.
作者
王喆
张浩
WANG Zhe;ZHANG Hao(Chery Commercial Vehicle(Anhui)Co.,Ltd.,Wuhu 241000,China;School of Mechanical and Automotive Engineering,Anhui Polytechnic University,Wuhu 241000,China)
出处
《内燃机与配件》
2020年第22期25-30,共6页
Internal Combustion Engine & Parts
基金
安徽省自然科学基金项目(1808085ME128)
安徽高校自然科学重点项目(KJ2017A106)。
关键词
永磁同步电机
电动汽车
空间矢量脉宽调制
控制策略
permanent magnet synchronous motor(PMSM)
electric vehicle(EV)
space vector pulse width modulation(SVPWM)
control strategy
