基于表面式永磁同步电机在二相坐标下的数学模型，采用滑模变结构方法设计了由滑模控制器和扩展滑模观测器组成的鲁棒控制系统。

A robust control scheme on the model of surface permanent magnet synchronous motor, composing of a sliding-mode controller and a sliding-mode observer, was presented in this paper.

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针对表面安装式永磁同步电机，给出了电机解耦模型，分析了电枢绕组的电感饱和效应，提出了一种判断初始转子位置的综合性方法。

A novel initial rotor position estimate method is proposed on the surface mounted permanent magnet synchronous motor (PMSM), which is based on the PMSM de-coupled model analysis.

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利用绕组电感饱和效应，即由于磁路饱和引起的电感随动子位置角变化的规律，检测表面式永磁直线同步电机动子的初始位置。

Based on the saturation effect of winding inductance, an estimation method of initial position for SPMLSM without a position sensor was presented.

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