In this paper, an improved modulated model-predictive control (MMPC) scheme is proposed for the current control of permanent magnet synchronous motors (PMSMs). Different from the existing MMPC based motor current control schemes which simply feed the resultant voltage vectors calculated by the finite-control-set model predictive control (FCS-MPC) to the SVPWM module and could not adjust the current control bandwidth, the principle of the proposed MMPC current control scheme is to control the current vector along a predefined trajectory and the resultant current vector is expected to equal the reference current vector at the end of the predictive horizon. Therefore, the control bandwidth of the proposed MMPC can be easily adjusted via the predictive horizon, and the transient performance of the current control can be improved without current overshoot. Moreover, different from existing MMPCs, the proposed control scheme does not need to predict all the resultant currents generated by the basic voltage vector combinations of the six voltage sectors, but only needs to predict the resultant currents generated by the basic voltage vector combinations of three voltage sectors. Therefore, the computational burned is significantly reduced.

中文翻译：

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改进的用于PMSM驱动器的调制模型预测控制，减少了计算负担

本文针对永磁同步电动机（PMSM）的电流控制提出了一种改进的调制模型预测控制（MMPC）方案。与现有的基于MMPC的电动机电流控制方案不同，该方案仅将由有限控制集模型预测控制（FCS-MPC）计算出的合成电压矢量馈送到SVPWM模块，并且无法调节电流控制带宽，提出的MMPC电流控制方案是沿预定轨迹控制电流矢量，并且在预测范围结束时，期望得到的电流矢量等于参考电流矢量。因此，可以通过预测范围轻松调整建议的MMPC的控制带宽，电流控制的瞬态性能可以得到改善而不会出现电流过冲。此外，不同于现有的MMPC，所提出的控制方案不需要预测由六个电压扇区的基本电压矢量组合产生的所有合成电流，而仅需要预测由三个电压扇区的基本电压矢量组合产生的合成电流。电压扇区。因此，大大减少了计算量。