aci_se_const.c

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/*=====================================================================================
 File name:        ACI_SE_CONST.C                   
                    
 Originator:	Digital Control Systems Group
			Texas Instruments

 Description:  Open-loop Speed Estimator of Induction Motor Constants                 

=====================================================================================
 History:
-------------------------------------------------------------------------------------
 05-15-2002	Release	Rev 1.0
-------------------------------------------------------------------------------------*/

#include "aci_se_const.h"

#define PI 3.14159265358979

void aci_se_const_calc(ACISE_CONST *v)
{	
   float Wb, Tr, tc;
   
   Tr = v->Lr/v->Rr;    /* Rotor time constant (sec) */
   tc = 1/(2*PI*v->fc);  /* Lowpass filter time constant (sec) */
   Wb = 2*PI*v->fb;
   
   v->K1 = 1/(Wb*Tr); 
   v->K2 = 1/(v->fb*v->Ts);  
   v->K3 = tc/(tc+v->Ts);
   v->K4 = v->Ts/(tc+v->Ts);   

}