该系统主回路为高低高结构电流源型变频器，采用单片机为核心的数字控制器，其控制策略采用转子磁通定向直接矢量控制。
This system is a high low high CSI, of which controller is based on a single chip computer. The control strategy adopts vector control.
该控制器通过检测定子电流，由转矩磁通和转矩电流动态推算电动机转矩，并以此作为反馈量。
The torque controller system feeds back an assumed motor torque calculated by using the secondary magnetic flux and the torque current detected from current sensors of the primary currents.
设计磁通反馈与悬浮间隙的PD控制器，并根据磁悬浮列车特点，给出磁场测量方法。
The PD controller of suspension gap and flux feedback is designed. The magnetic field measurement method is given based on the characteristics of the maglev train.
设计磁通反馈与悬浮间隙的PD控制器，并根据磁悬浮列车特点，给出磁场测量方法。
The PD controller of suspension gap and flux feedback is designed. The magnetic field measurement method is given based on the characteristics of the maglev train.
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