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首页> 外文会议>IEEE Southern Power Electronics Conference >Sensor-based and Sensorless Vector Control of PM Synchronous Motor Drives: A Comparative Study
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Sensor-based and Sensorless Vector Control of PM Synchronous Motor Drives: A Comparative Study

机译：PM同步电动机驱动器的基于传感器和无传感器矢量控制：比较研究

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摘要

Speed and rotor position estimation is mandatory for vector control scheme of Permanent Magnet Synchronous Motor (PMSM). The estimation accuracy of Non-adaptive (Open loop) methods degrades as mechanical speed reduces. At lower speed, discrepancy in resistance and estimated stator flux values leads to significant impact on the steady state and transient performance of the drive system. The system becomes more robust against parameter mismatch and signal noises by employing adaptive observers for estimation of speed and flux. In this paper, a comprehensive analysis of sensor-based and sensorless based on sliding mode observer (SMO) techniques for vector control of PMSM is presented with regards to the steady- state and dynamic performance robustness against parameter sensitivity, stability and computational complexity. The synopsis of pros and cons of both observers are also discussed.
机译：永磁同步电动机（PMSM）的矢量控制方案是强制性的速度和转子位置估计。非自适应（开环）方法的估计精度降低，因为机械速度降低。在较低的速度下，电阻和估计定子磁通值的差异导致对驱动系统的稳态和瞬态性能的显着影响。通过采用自适应观察者来估计速度和通量，该系统对参数错配和信号噪声变得更加稳健。在本文中，关于对PMSM的矢量控制的滑动模式观察器（SMO）技术的综合分析是关于PMSM的稳态和动态性能的稳定性，稳定性和计算复杂性的稳定性和动态性能鲁棒。还讨论了两个观察员的利弊概要。

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