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Two-Vector FCS-MPC for Permanent-Magnet Synchronous Motors Based on Duty Ratio Optimization

机译：基于占空比优化的永磁同步电动机双矢量FCS-MPC

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摘要

The servo system of a permanent-magnet synchronous motor usually consists of current, speed, and position loops. Compared with conventional PI control, finite-control-set model predictive control (FCS-MPC) has the advantage of fast response. Conventional FCS-MPC relies on the precise parameters of system model and has large current ripple. To address that problem, this paper proposed an improved FCS-MPC based on duty ratio optimization in synchronous rotating reference frame. To get more precise voltage vector, the proposed FCS-MPC selects the optimal vector combination and, respectively, calculates the time duration. Moreover, feedback correction is also applied to improve the robustness of the control strategy. The simulation results validate the effectiveness of the algorithm.
机译：永磁同步电动机的伺服系统通常由电流，速度和位置环组成。与传统的PI控制相比，有限控制集模型预测控制（FCS-MPC）具有响应速度快的优点。常规FCS-MPC依赖于系统模型的精确参数，并且具有较大的电流纹波。针对这一问题，本文提出了一种基于占空比优化的同步旋转参考系中改进的FCS-MPC。为了获得更精确的电压矢量，建议的FCS-MPC选择最佳矢量组合并分别计算持续时间。此外，反馈校正也可用于提高控制策略的鲁棒性。仿真结果验证了算法的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2018年第6期|9061979.1-9061979.9|共9页
  • 作者

    Sheng Long; Li Dapeng; Ji Yue;

  • 作者单位

    China Univ Petr Beijing Karamay, Coll Engn, Karamay 834000, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 211106, Jiangsu, Peoples R China;

    Microsoft Corp, Consumer Customer Support Wuxi Ctr, Block A,Wuxi Software Pk,111 Linghu Ave, Dolphin 214135, Wuxi, Peoples R China;

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