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首页> 外文期刊>IEEE / ASME Transactions on Mechatronics >Finite Set Model Predictive Control of Interior PM Synchronous Motor Drives With an External Disturbance Rejection Technique
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Finite Set Model Predictive Control of Interior PM Synchronous Motor Drives With an External Disturbance Rejection Technique

机译：带有外部干扰抑制技术的内部永磁同步电动机驱动器的有限集模型预测控制

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摘要

This paper designs a predictive speed controller of interior permanent-magnet synchronous motor (IPMSM) based on finite control set (FCS)–model predictive control (MPC). The proposed predictive speed controller has a cascade-free structure that comprises a single predictive control function for the speed and dq-axis stator currents. The future rotor speed and stator currents are predicted at each sampling interval. Then, the proposed predictive control function is evaluated to determine the optimal switching states for the IPMSM drive. In high-performance speed-controlled drive, the unknown load torque disturbance has to be suppressed. Therefore, the load torque disturbance estimator using the two-stage extended Kalman filter (TSEKF) is proposed to enhance the dynamic performance of the IPMSM drive. The proposed TSEKF simultaneously estimates the system states, which greatly improve the model prediction process. The proposed predictive speed control is simple and compact, which demonstrates a faster transient response and a robust feature to mechanical system parameter variations when compared with the conventional cascaded speed control under a wide speed range and load torque variations. The experimental results on a prototype IPMSM drive built on a Texas Instruments TMS320F28335 floating point digital signal processing (DSP) board are presented considering the constant torque and flux-weakening regions to confirm the feasibility of the proposed FCS-MPC scheme.
机译：本文基于有限控制集（FCS）-模型预测控制（MPC）设计了一种内部永磁同步电动机（IPMSM）的预测速度控制器。所提出的预测速度控制器具有无级联结构，其包括用于速度和dq轴定子电流的单个预测控制功能。在每个采样间隔预测未来的转子速度和定子电流。然后，对建议的预测控制功能进行评估，以确定IPMSM驱动器的最佳开关状态。在高性能调速驱动中，必须抑制未知的负载转矩扰动。因此，提出了使用两级扩展卡尔曼滤波器（TSEKF）的负载转矩扰动估计器，以增强IPMSM驱动器的动态性能。提出的TSEKF同时估计系统状态，从而大大改善了模型预测过程。所提出的预测速度控制简单而紧凑，与传统的级联速度控制相比，在宽的速度范围和负载转矩变化下，它表现出更快的瞬态响应和对机械系统参数变化的鲁棒性。提出了在德州仪器（TI）TMS320F28335浮点数字信号处理（DSP）板上构建的IPMSM原型驱动器的实验结果，其中考虑了恒定转矩和弱磁通区域，从而证实了所提出的FCS-MPC方案的可行性。

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