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Very low speed and zero speed estimations of sensorless induction motor drives

机译：无传感器感应电动机驱动器的极低速和零速估算

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摘要

Recently, speed sensorless control of induction motor drives received great attention to avoid the different problems associated with direct speed sensors. However, low speed operation with robustness against parameter variations remains an area of research for sensorless systems. Stator resistance is of utmost importance for good operation of speed sensorless systems in low speed region. In this paper, a sliding mode current observer for an induction motor is presented. An estimation algorithm based on this observer in conjunction with Popov's hyper-stability theory is proposed to calculate the speed and stator resistance independently. The proposed speed observer with parallel stator resistance identification is first verified by simulation. Experimental results are included as well as to demonstrate the good performance of the proposed observer and estimation algorithms at very low and zero speeds.
机译：近来，感应电动机驱动器的无速度传感器控制受到了极大的关注，以避免与直接速度传感器相关的各种问题。然而，低速运行以及对参数变化的鲁棒性仍然是无传感器系统研究的领域。定子电阻对于低速区域无速度传感器系统的良好运行至关重要。在本文中，提出了一种用于感应电动机的滑模电流观测器。提出了一种基于该观测器的估计算法，结合波波夫的超稳定性理论，可以独立计算速度和定子电阻。首先通过仿真验证了所提出的带有平行定子电阻识别的速度观测器。实验结果包括在内，以证明所提出的观测器和估计算法在极低和零速时的良好性能。

著录项

  • 来源
    《Electric power systems research》 |2010年第2期|143-151|共9页
  • 作者

    M.S. Zaky; M. Khater; H. Yasin; S.S. Shokralla;

  • 作者单位

    Electrical Engineering Department, Faculty of Engineering, Minoufiya University, Shebin El-Kom, Egypt;

    Electrical Engineering Department, Faculty of Engineering, Minoufiya University, Shebin El-Kom, Egypt;

    Electrical Engineering Department, Faculty of Engineering, Minoufiya University, Shebin El-Kom, Egypt;

    Electrical Engineering Department, Faculty of Engineering, Minoufiya University, Shebin El-Kom, Egypt;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sliding mode observer; popov's hyper-stability; stator resistance identification; sensorless drives;

    机译：滑模观察器;波波夫的超稳定;定子电阻识别;无传感器驱动器;

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