模拟工况下电动汽车驱动系统控制方法研究

电动汽车的动力性能取决于驱动电机的控制性能和方法,为检验在模拟工况下驱动电机的电气性能和简洁可行的控制方法,基于电机性能试验台架,以永磁同步电机为控制对象,构建一个基于电机矢量模型下的模糊PI控制转速电流双闭环系统,并对减速状态下的模拟工况性能进行了仿真实验测试分析。结果表明:所采用的控制方法有效可行,且系统有效的降低驱动电机转矩脉动,提高了转速响应速度与精度。

Research on Control Method of Electric Vehicle Driving System Under Simulated Working Condition

The performance and control method on the dynamic performance of electric vehicles to drive motor,electrical performance test in the simulation under the condition of the drive motor and the simple and feasible control method,the motor performance test bench based on the permanent magnet synchronous motor as the controlled object,construct a fuzzy model of the PI motor vector control speed the current double closed loop system based on simulated condition performance of deceleration condition were analyzed,the simulation test results show that the control method was effective and feasible,and the system can effectively reduce motor torque ripple,improve the speed of response speed and accuracy.