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Analysis and Design of Current Regulators for PMSM Drives Based on DRGA
IEEE Transactions on Transportation Electrification ( IF 7.2 ) Pub Date : 2020-06-01 , DOI: 10.1109/tte.2020.2993632
Kai Cui , Chenchen Wang , Lifeng Gou , Zhikai An

The current-control loop plays an important role in achieving the rapid torque response of the vector-controlled salient pole permanent magnet synchronous motor (PMSM). Since the cross coupling of the motor model can deteriorate the performance of the current-control loop, numerous decoupling current regulators have been reported. However, less attention is drawn to the theoretical evaluation of the decoupling performance of the current regulators. In this article, the dynamic relative gain array (DRGA) is adopted to compare the performance of different decoupling current regulators and further used to design a current regulator with better decoupling performance. With the two-degree-of-freedom (2DOF) regulator seen as a general structure of decoupling current regulators, a design process of the 2DOF regulator is developed based on the DRGA. Finally, an optimal structure of the 2DOF regulator is proposed. The results of simulation and experiment on a 3-kW PMSM platform are provided to support the theoretical analysis and demonstrate the better decoupling performance of the 2DOF regulator with the proposed structure.

中文翻译:

基于DRGA的永磁同步电机驱动电流调节器分析与设计

电流控制回路在实现矢量控制凸极永磁同步电机 (PMSM) 的快速转矩响应方面起着重要作用。由于电机模型的交叉耦合会降低电流控制回路的性能,因此已经报道了许多去耦电流调节器。然而,对电流调节器去耦性能的理论评估较少受到关注。本文采用动态相对增益阵列(DRGA)来比较不同去耦电流调节器的性能,并进一步用于设计具有更好去耦性能的电流调节器。将二自由度 (2DOF) 稳压器视为去耦电流稳压器的通用结构,基于 DRGA 开发了 2DOF 稳压器的设计流程。最后,提出了 2DOF 调节器的优化结构。提供了在 3 kW PMSM 平台上的仿真和实验结果,以支持理论分析并证明具有所提出结构的 2DOF 调节器具有更好的解耦性能。
更新日期:2020-06-01
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