Motor frequency conversion control method and apparatus

The invention provides a motor frequency conversion control method and apparatus, and relates to the technical field of frequency conversion of a motor; and not influenced by nonlinear parameters of the motor, high robustness is achieved. According to the main technical scheme, the motor frequency conversion control method comprises the steps of obtaining the actual position of a voltage vector ofthe motor; obtaining the instruction position of the voltage vector of the motor; and adjusting the motor drive switching frequency according to deviation between the actual position of the voltage vector and the instruction position of the voltage vector. The motor frequency conversion control method is mainly used for realizing synchronous frequency conversion control in the dynamic changing process of the motor. 本发明提供了种电机的变频控制方法及装置，涉及电机的变频技术领域，不受电机自身的非线性参数的影响，鲁棒性好。本发明的主要技术方案为：种电机的变频控制方法包括：获取电机的电压矢量的实际位置；获取电机的电压矢量的指令位置；根据电压矢量的实际位置与电压矢量的指令位置的偏差来调节电机驱动的开关频率。该电机的变频控制方法主要用于实现电机在动态变化过程中的同步变频控制。