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HVPM_Sensorless中speed计算的问题



hello,各位大师,我在HVPM_Sensorless例程中SPEED_FR_MACRO速度计算模块,电角度作为输入量,代码如下:

if ((v.ElecTheta < _IQ(0.9))&(v.ElecTheta > _IQ(0.1)))

Tmp_fr = _IQmpy(v.K1,(v.ElecTheta - v.OldElecTheta));

 else Tmp_fr = _IQtoIQ21(v.Speed);

为什么要对电角度进行限制呢,一直搞不清原因,

还有一句v.SpeedRpm = _IQmpy(v.BaseRpm,v.Speed);这里的SpeedRpm是什么速度?是化成转/分吗?