在同步旋转坐标系下，建立了直线感应电动机的矢量控制数学模型。
The vector control mathematical model of linear induction motor is established under the synchronization reference frame.
分析矢量控制时，端部效应对永磁同步直线电机电磁推力谐波分量的影响，通过直线电机和旋转电机的实验数据比较，证明了理论分析的正。
The paper analyzes the force harmonics of the permanent magnet synchronous linear motor considering the end effects while the vector control technology is applied.
建立了基于FESS的DVR变换的数学模型，设计了同步旋转坐标系下的双矢量控制器。
The state space model of the DVR with the FESS is established, the double vector control algorithm in dq synchronous reference frame is designed.
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