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永磁同步电机矢量控制系统能够实现高精度、高动态响应以及大范围的速度和位置控制。描述了永磁同步电机的数学模型,在数学模型的基础上,分析了永磁同步电机矢量控制的两种电流控制策略:i_d=0控制和MTPA最大转矩电流比控制。描述了两种控制策略的控制原理和特点,通过仿真对两种控制策略进行了验证。
Permanent magnet synchronous motor vector control system to achieve high precision, high dynamic response and a wide range of speed and position control. The mathematical model of permanent magnet synchronous motor is described. Based on the mathematical model, two kinds of current control strategies are analyzed for vector control of permanent magnet synchronous motor: i_d = 0 control and MTPA maximum torque current ratio control. The control principle and characteristics of the two control strategies are described. Two kinds of control strategies are verified through simulation.