1794-IJ2XT

1794-IJ2XT

1794-IJ2XT然而，在实际的电机控制中，由于齿槽效应、磁通畸变等因素，电机的转矩会产生大量的波动，需要不断地对控制信号做出修正。但是当电机转速较高时，电流环控制器跟踪频率不断提高的弦波信号，而且还要克服振幅和频率不断提高的电机反电动势。在这样的情况下，想要直接通过维持三路正弦信号得到旋转平滑、大小稳定并且一直保持和转子磁场方向垂直的磁场难以实现。

我们重新回到一开始的磁场叉乘。我们发现电机的转矩 只与 平行于内磁场方向（称d轴）的磁场分量 和 垂直于内磁场方向的分量（称q轴） 

1794-IJ2XT 

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