The PMSM sensorless digital control system is designed including hardware and software.
对无传感器永磁同步电机数字控制系统硬件和软件进行设计。
参考来源 - 基于磁链观测器的永磁同步电动机无传感器控制技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在启动时，没有反电动势，在无传感器模式下电机的位置不能检测到。
At startup, there is no back-EMF due to the stationary motor, and the motor position cannot be detected in sensorless mode.
主要研究一种无传感器磁轴承转子位置自检测的方法，该方法不需要专用的位移传感器。
A method of automatically detecting rotor position of self-sensing magnetic bearing is studied, in this method, no special displacement sensors are used.
无传感器闭环控制模块包括换向调节、电流环调节和速度环调节、正反转速控制等功能。
Sensorless DC motor close-loop control module include reversing control, current loop regulating, the positive and negative rotational speed controls with speed ring etc.
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