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无传感器永磁同步电机控制程序中的不解



1、在无传感器程序例子中:smopos_const文件中:

void smopos_const_calc(SMOPOS_CONST *v)

 {    

      v->Fsmopos = exp((-v->Rs/v->Ls)*(v->Ts));  

      v->Gsmopos = (v->Vb/v->Ib)*(1/v->Rs)*(1-v->Fsmopos);

 }

(v->Vb/v->Ib)的意义是什么,在本身滑膜的公式中只有1/v->Rs*(1-v->Fsmopos);

2、在TI的SVPWM程序和文档中,Ualpha和Ubeta电压矢量的幅值等于Udc/Sqrt(3),为何送入滑膜模块的alpha,Ubeta直接使用的是Udc或者表么值1.