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首页> 外文期刊>Magnetics, IEEE Transactions on >Initial Rotor Position and Magnetic Polarity Identification of PM Synchronous Machine Based on Nonlinear Machine Model and Finite Element Analysis
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Initial Rotor Position and Magnetic Polarity Identification of PM Synchronous Machine Based on Nonlinear Machine Model and Finite Element Analysis

机译：基于非线性机器模型和有限元分析的永磁同步电机初始转子位置及磁极辨识

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摘要

In this paper, a DC voltage pulse injection based method is proposed to detect the initial position and rotor polarity of permanent magnet synchronous motor (PMSM). The rotor angle vibration is expressed analytically as a function of the injected pulse. The nonlinear numerical simulation model of PMSM is employed, in which the saturation saliency is incorporated as well as the structural saliency. The proposed scheme is simulated and verified by using the nonlinear model and a 2-D finite element method (FEM) algorithm, respectively. The initial position detection is tested at different starting positions and the results show that the proposed scheme can be used to identify the PMSM initial rotor position.
机译：本文提出了一种基于直流电压脉冲注入的方法来检测永磁同步电动机（PMSM）的初始位置和转子极性。转子角振动解析地表示为所注入脉冲的函数。采用了永磁同步电机的非线性数值模拟模型，其中考虑了饱和显着性和结构显着性。分别使用非线性模型和二维有限元方法（FEM）算法对所提出的方案进行了仿真和验证。在不同的起始位置对初始位置检测进行了测试，结果表明所提出的方案可用于识别PMSM初始转子位置。

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