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Implementation of a sliding-mode-based position sensorless drive for high-speed micro permanent-magnet synchronous motors

机译:基于滑模的无位置传感器驱动器用于高速微型永磁同步电动机

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摘要

Due to issues such as limited space, it is difficult if it is not impossible to employ a position sensor in the drive control of high-speed micro PMSMs. In order to alleviate this problem, this paper analyzes and implements a simple and robust position sensorless field-oriented control method of high-speed micro PMSMs based on the sliding-mode observer. In particular, the angular position and velocity of the rotor of the high-speed micro PMSM are estimated using the sliding-mode observer. This observer is able to accurately estimate rotor position in the low speed region and guarantee fast convergence of the observer in the high speed region. The proposed position sensorless control method is suitable for electric dental handpiece motor drives where a wide speed range operation is essential. The proposed sensorless FOC method is implemented using a cost-effective 16-bit microcontroller and tested in a prototype electric dental handpiece motor. Several experiments are performed to verify the effectiveness of the proposed method.
机译:由于诸如空间有限的问题,如果不是不可能在高速微型PMSM的驱动控制中采用位置传感器,将很困难。为了缓解这一问题,本文分析并实现了一种基于滑模观测器的简单,鲁棒的高速微型PMSM无位置传感器磁场定向控制方法。特别地,使用滑动模式观察器估计高速微型PMSM的转子的角位置和速度。该观察者能够准确地估计低速区域中的转子位置,并确保观察者在高速区域中的快速收敛。所提出的无位置传感器控制方法适用于需要大速度范围操作的电动牙科手机驱动器。所提出的无传感器FOC方法是使用具有成本效益的16位微控制器实现的,并在原型电动牙科手机中进行了测试。进行了几次实验,以验证所提出方法的有效性。

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