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首页> 外文会议>IEEE Power Electronics Specialists Conference >A Novel Speed Sensorless Direct Torque and Flux Controlled Interior Permanent Magnet Synchronous Motor Drive
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A Novel Speed Sensorless Direct Torque and Flux Controlled Interior Permanent Magnet Synchronous Motor Drive

机译：一种新型速度无传感器直接扭矩和磁通控制内部永磁同步电动机驱动

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This paper investigates a modified direct torque control (DTC) scheme based on space vector modulation (SVM) for interior permanent magnet synchronous motor (IPMSM) drives. Closed-loop control of both the torque and stator flux linkage are achieved by using two proportional-integral (PI) controllers. The reference voltage vectors are generated by a SVM unit, which replaces the switching table in the conventional DTC scheme. Whilst retaining its main advantages, the new DTC method features reduced torque and flux ripples as compared to the classical DTC. A speed estimator based on the stator flux linkage and torque angle is incorporated into the proposed DTC scheme. Simulation and experimental results confirm the effectiveness of the proposed method.
机译：本文研究了基于空间矢量调制（SVM）的改进的直接扭矩控制（DTC）方案，用于内部永磁同步电动机（IPMSM）驱动器。通过使用两种比例整体（PI）控制器来实现扭矩和定子通量连杆的闭环控制。参考电压矢量由SVM单元生成，SVM单元替换传统DTC方案中的切换表。虽然保持其主要优点，但与经典DTC相比，新的DTC方法具有降低的扭矩和磁通波纹。基于定子磁通连杆和扭矩角的速度估计结合到所提出的DTC方案中。模拟和实验结果证实了该方法的有效性。

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