?? ipark.c
字號:
/*=====================================================================================
File name: IPARK.C (IQ version)
Originator: Digital Control Systems Group
Texas Instruments
Dsscription: Inverse Park Transformation
=====================================================================================
History:
-------------------------------------------------------------------------------------
04-15-2005 Version 3.20
-------------------------------------------------------------------------------------*/
#include "IQmathLib.h" // Include header for IQmath library
#include "DMCTYPE.H"
#include "ipark.h"
void ipark_calc(IPARK *v)
{
_iq Cosine,Sine;
// Using look-up IQ sine table
Sine = _IQsinPU(v->Angle);
Cosine = _IQcosPU(v->Angle);
v->Alpha = _IQmpy(v->Ds,Cosine) - _IQmpy(v->Qs,Sine);
v->Beta = _IQmpy(v->Qs,Cosine) + _IQmpy(v->Ds,Sine);
}
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