介绍了交流伺服电动机中的滤波器,包括相位滞后补偿滤波器,陷波滤波器和速度反馈滤波器。以直接驱动电动机为例,对它们的特性、用法和调试以及注意事项作了较详细的叙述。 The filters in AC servo motors are introduced, including phase lag compensation filter, notch filter and speed feedback filter. Taking the direct drive motor as an example, a detailed description of their characteristics, usage, debugging, and precautions is given.