摘要：为了适应城市工况下电动汽车经常启停与加减速的问题，作为驱动电机的永磁同步电机需要良好的动态响应。应用较为成熟的PI控制容易出现超调和震荡现象，且参数过于依赖经验与尝试。电流预测控制可以保证良好的动态响应，但由于内置式永磁同步电机（IPMSM）的直交轴电感不等，模型更复杂，控制器的运算量很大。因此针对这一点对预测控制进行了简化，在简化的基础上又消去了磁链参数对控制算法的影响，取得了比传统PI控制更为优良的电流响应。同时采用线电压调制取代空间电压矢量调制（SVPWM），在保证直流电压母线利用率的情况下，进一步减少了控制算法的计算量。
关键词：内置式永磁同步电机；电流预测控制；线电压调制
Abstract: In order to adapt to the problem of electric vehicles under urban conditions, the permanent magnet synchronous motor as the driving motor needs good dynamic response. The PI control is prone to overshoot and oscillation, and the parameters are too dependent on experience and experimentation. The current prediction control can ensure a good dynamic response. Due to the unequal inductance of the orthogonal axis in interior permanent magnet synchronous motor (IPMSM), the model is more complicated, and the calculation amount of the controller is large. Therefore, the predictive control is simplified for this point. On the basis of simplification, the influence of flux linkage parameters on the control algorithm was eliminated. The current response is better than the traditional PI control. At the same time, linemodulation was used instead of space voltage vector modulation (SVPWM), which further reduced the calculation of the control algorithm while ensuring the utilization of the DC voltage bus.
Key words: IPMSM; current predictive control; linemodulation