| 基于EKF的PMSM无机械传感器矢量控制 |
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| 引用本文： | 郑泽东,李永东,Maurice FADEL.基于EKF的PMSM无机械传感器矢量控制[J].清华大学学报(自然科学版),2009(10). |
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| 作者姓名： | 郑泽东 李永东 Maurice FADEL |
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| 作者单位： | 清华大学电机工程与应用电子技术系;法国图卢兹国家理工学院LAPLACE;CNRS-UMR;5213实验室; |
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| 摘 要： | 为了准确估计永磁同步电机(PMSM)的转子位置和转速,并实现无机械传感器矢量控制,提出了一种基于扩展Kalman滤波器(EKF)的转子位置和转速观测器,适合于求解永磁同步电机的非线性方程。观测器状态方程采用转子磁链定向的同步旋转坐标系下的电压方程,电感等参数为常数,可以应用于凸极机和隐极机。对扩展Kalman滤波器进行了算法简化,使它可以实用化。把负载转矩作为状态变量,观测器可以同时观测负载转矩,并把观测转矩用作前馈补偿,提高了系统的动态性能。通过实验验证了系统的性能。
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| 关 键 词： | 永磁同步电机 扩展Kalman滤波器 无机械传感器矢量控制 负载转矩观测 |
PMSM mechanical sensor-less vector control based on extended Kalman filter |
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| ZHENG Zedong,LI Yongdong,Maurice FADEL.PMSM mechanical sensor-less vector control based on extended Kalman filter[J].Journal of Tsinghua University(Science and Technology),2009(10). |
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| Authors: | ZHENG Zedong LI Yongdong Maurice FADEL |
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| Institution: | 1.Department of Electrical Engineering;Tsinghua University;Beijing 100084;China;2.Laboratory LAPLACE INPT-ENSEEIHT-CNRS;Toulouse 31071;France |
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| Abstract: | The rotor position and speed of a permanent magnet synchronous motor(PMSM) are estimated for mechanical sensor-less vector control by an extended Kalman filter(EKF) algorithm suitable for solving the nonlinear PMSM equations.The equations use rotating coordinates synchronous with oriented by the rotor flux where the parameters such as inductances are constants,so the observer can be applied to both salient and non-salient motors.The EKF computation is simplified for practical applications.With the load torq... |
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| Keywords: | permanent magnet synchronous motor extended Kalman filter mechanical sensor-less vector control load torque observation |
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