Speed estimation using extended Kalman filter for PMSM

K. Shedbalkar, A. P. Dhamangaonkar, A. Patil
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引用次数: 9

Abstract

This paper describes simple speed estimation technique for permanent magnet synchronous motors based on extended kalman filter. Speed estimation is required for Sensorless vector control of motor. A system is designed to estimate the rotor speed according to the mathematic model. Simulation is done by using MATLAB, results show that the EKF-based control system, which is able to implement the speed sensorless vector control for PMSM, can preferably track the rotor speed.
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基于扩展卡尔曼滤波的永磁同步电机速度估计
介绍了一种基于扩展卡尔曼滤波的永磁同步电机转速估计方法。电机无传感器矢量控制需要进行速度估计。根据数学模型设计了转子转速估计系统。利用MATLAB进行了仿真,结果表明,基于ekf的控制系统能够实现永磁同步电机无速度传感器矢量控制,并能较好地跟踪转子转速。
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