SVPWM_2ShuntGetPhaseCurrent函数怎么理解

只看该作者 · 2024-2-5 19:24

请问哪位大佬能不能解释一下这个函数，我硬件双电阻采集的B、C相电流，这个函数要改吗
stru_CurrPhaseUV SVPWM_2ShuntGetPhaseCurrent(stru_FOC_CurrLoopDef *this)
{
stru_Array_Def mADC_Result;
stru_CurrPhaseUV Local_Stator_Currents;
s32 wAux;
s16 hCurrA = 0, hCurrB = 0, hCurrC = 0;

u8 bCurrASamp = 0, bCurrBSamp = 0;
GET_ADC0_DATA(mADC_Result);//这读的不只是某一项电流吗？
/* First sampling point */
switch (this->bSampCur1)
{
case SAMP_IA://这是静止坐标下的扇区吗?

      wAux = (s32)(this->nPhaseAOffset) - mADC_Result.nData0;
      hCurrA = sat(wAux, S16_MIN, S16_MAX);

      bCurrASamp = 1;
      break;

case SAMP_IB:

      wAux = (s32)(this->nPhaseBOffset) - mADC_Result.nData0;
      hCurrB = sat(wAux, S16_MIN, S16_MAX);

      bCurrBSamp = 1;
      break;

case SAMP_IC:

      wAux = (s32)(this->nPhaseCOffset) - mADC_Result.nData0;
      hCurrC = sat(wAux, S16_MIN, S16_MAX);

      bCurrBSamp = 1;
      break;
case SAMP_NIA:
      hCurrA = this->mStatCurrUVW.nPhaseU;
      bCurrASamp = 1;

      break;
case SAMP_NIB:
      hCurrB = this->mStatCurrUVW.nPhaseV;
      bCurrBSamp = 1;

      break;
case SAMP_NIC:
      hCurrC = 0 - this->mStatCurrUVW.nPhaseU - this->mStatCurrUVW.nPhaseV;

      break;
default:
      wAux = 0;
      break;
}

GET_ADC1_DATA(mADC_Result);
/* Second sampling point */
switch (this->bSampCur2)
{
case SAMP_IA:
      wAux = (s32)(this->nPhaseAOffset) - mADC_Result.nData0;
      hCurrA = sat(wAux, S16_MIN, S16_MAX);

      bCurrASamp = 1;
      break;

case SAMP_IB:

      wAux = (s32)(this->nPhaseBOffset) - mADC_Result.nData0;
      hCurrB = sat(wAux, S16_MIN, S16_MAX);

      bCurrBSamp = 1;
      break;

case SAMP_IC:

      wAux = (s32)(this->nPhaseCOffset) - mADC_Result.nData0;
      hCurrC = sat(wAux, S16_MIN, S16_MAX);

      break;
case SAMP_NIA:
      hCurrA = this->mStatCurrUVW.nPhaseU;
      bCurrASamp = 1;

      break;
case SAMP_NIB:
      hCurrB = this->mStatCurrUVW.nPhaseV;
      bCurrBSamp = 1;

      break;
case SAMP_NIC:
      hCurrC = 0 - this->mStatCurrUVW.nPhaseU - this->mStatCurrUVW.nPhaseV;

      break;
default:
      wAux = 0;
      break;
}
if (bCurrASamp == 0)
{ /* 饱和处理 hd */
      wAux = -hCurrB - hCurrC;
      hCurrA = sat(wAux, S16_MIN, S16_MAX);
}
if (bCurrBSamp == 0)
{
      wAux = -hCurrA - hCurrC;
      hCurrB = sat(wAux, S16_MIN, S16_MAX);
}

#if (CHIP_PART_NUMBER == LKS32MC057D_V0)
Local_Stator_Currents.nPhaseU = -hCurrA;
#else
Local_Stator_Currents.nPhaseU = hCurrA;
#endif
Local_Stator_Currents.nPhaseV = hCurrB;

return (Local_Stator_Currents);
}

只看该作者 · 2024-2-20 11:56

SVPWM_2ShuntGetPhaseCurrent 这个函数名没有直接对应的标准函数或库函数，它可能是一个特定于某个应用或库的自定义函数。