this theory use dsp controller to design a speed adjusting with field weakening system, the system has the functions of voltage feedforward, current closed negative feedback and speed closed loop.
该文采用dsp设计了具有电压前馈、电流截止负反馈的转速闭环弱磁调速系统,给出了最小弱磁限制方法,可有效防止飞车现象。