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The structure of this article is the same as the previous one. First, it introduces the speed related sensors and some calculation methods of "speed". Then I will explain the single speed loop control of the motor, and then I will comb how to nest the current loop and speed loop. I will compare their connections and differences.
这篇文章的结构和上一篇一样,先介绍和速度相关的传感器,以及“速度”的一些计算方式,然后我要说明电机的单一速度环控制,之后是梳理如何将电流环和速度环嵌套起来使用。我将会对比他们的联系和区别。这篇文章会以简练的风格呈现。
1.低精度的霍尔编码器(Low precision hall encoder)
Hall encoder is based on Hall effect. The following figure shows a typical hall encoder component, mainly including mechanical connector (shell), PCB (connecting cable) and magnetic ring (radial magnetization).
霍尔式编码器是根据霍尔效应实现的编码器。使用时需要配合磁环使用,下图是一个典型的霍尔编码器零部件,主要包括机械连接件(壳体),PCB(连接线缆)和磁环(径向充磁)。
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