Unprecise voltage vectors applied in conventional model predictive control (MPC) would cause additional ripples in electromagnetic torque. To eliminate the problem, this article proposes an improved model predictive torque control (MPTC) based on deadbeat solution and discrete space-vector modulation (DSVM) for dual three-phase permanent magnet synchronous machines (PMSMs). First, deadbeat-direct torque and flux control (DB-DTFC) algorithm is applied and simplified, so that the computational burden can be reduced. Second, the virtual voltage vectors (VVVs) are adopted in dual three-phase voltage vector space to reduce voltage harmonics. Also, the DSVM is further proposed in this VVVs based vector space to generate more voltage vectors. After that, the simplified DB-DTFC and the DSVM scheme are artfully combined to select suitable voltage vector candidates for the MPTC, and the best one is then chosen to control the dual three-phase PMSMs. Finally, both simulation and experimental results are given to verify the effectiveness of the proposed method.

中文翻译：

---

具有简化无差拍解决方案和离散空间矢量调制的双三相 PMSM 模型预测扭矩控制


传统模型预测控制（MPC）中应用的不精确电压矢量会导致电磁扭矩产生额外的纹波。为了解决这个问题，本文提出了一种基于无差拍解决方案和离散空间矢量调制（DSVM）的双三相永磁同步电机（PMSM）的改进模型预测扭矩控制（MPTC）。首先，应用并简化了无差拍直接扭矩和磁通控制（DB-DTFC）算法，从而减少了计算负担。其次，在双三相电压矢量空间中采用虚拟电压矢量（VVV）来减少电压谐波。此外，在基于 VVVs 的向量空间中进一步提出了 DSVM，以生成更多的电压向量。之后，将简化的 DB-DTFC 和 DSVM 方案巧妙地结合起来，为 MPTC 选择合适的电压矢量候选，然后选择最佳的一个来控制双三相 PMSM。最后给出仿真和实验结果来验证所提方法的有效性。