基于电流预测的三相感应电机矢量控制

在分析三相感应电机离散化的电流预测控制模型的基础上，本文提出了一种新的基于电流预测的三相感应电机矢量控制的算法。该算法不同于传统的SVPWM调制方式，而是在每个采样周期内，对三相逆变器的8个电压矢量进行在线评估，并选择使目标函数最小的电压矢量作为下一个周期的施加矢量。该方法控制策略简单，且具有较好的动静态性能，实现了对M轴和T轴给定电流的快速跟踪。在MATLAB／Simulink仿真软件平台下建立仿真模型，仿真结果验证了本文所提出控制策略的正确性和有效性。

Vector Control of Three-phase Induction Motor Based on Current Prediction

On the basis of analyzing the discretization current prediction control model of three-phase induction motor, a novel current prediction-based vector control algorithm for the three-phase induction motor is proposed in this paper. The algorithm is differ- ent from the traditional SVPWM modulation mode, but at each sampling periods, the eight voltage vectors of the three-phase inverter are evaluated on line based on predictive model and the vohage vector that makes the objective function minimum is chosen as the ap- plied vector of the next sampling period. The method has simple control strategy and better static and dynamic performances, and the fast tracking for the given currents of the M-axis and T-axis is realized. The simulation models are established on MATLAB/Simulink simulation software platform, and the simulation results verify the correctness and effectiveness of the presented control strategy.