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首页> 外文期刊>Journal of Electrical and Electronics Engineering Research >Permanent magnet flux estimation method of vector control SPMSM using adaptive identification
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Permanent magnet flux estimation method of vector control SPMSM using adaptive identification

机译:基于自适应辨识的矢量控制SPMSM永磁估计方法

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The variation of permanent magnet flux deteriorates the performance of a torquecontrolled (TC) system. Without the torque sensor, the magnet flux information is indispensable for controlling the torque of the surface permanent magnet synchronous motor (SPMSM) with vector control. The magnet flux depends on variations of temperature inside of the motor. With the increase of stator winding temperature, the magnet temperature increases and the magnet flux decreases. Therefore, the magnet flux is not treated constantly and thus becomes a big issue to TC. So, the instantaneous value of the magnet flux is needed in any way. This paper proposes the estimation method of the magnet flux based on the adaptive identification used in the SPMSM with the vector control.Even at low speed, the influence of the stator resistance variation is not received easily because the proposed method has the stator resistance estimation function. The effectiveness of the proposed method is demonstrated by experiments.
机译:永磁通量的变化会降低转矩控制(TC)系统的性能。如果没有扭矩传感器,则磁通量信息对于通过矢量控制来控制表面永磁同步电动机(SPMSM)的扭矩是必不可少的。磁通量取决于电动机内部温度的变化。随着定子绕组温度的升高,磁体温度升高而磁通量减小。因此,磁通量没有得到持续处理,因此成为TC的大问题。因此,无论如何都需要磁通量的瞬时值。本文提出了一种基于矢量控制的SPMSM中基于自适应辨识的磁通量估计方法,即使在低速情况下,由于具有定子电阻估计功能,因此不易受到定子电阻变化的影响。 。实验证明了该方法的有效性。

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