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关于反电动势函数的建立与测量 #11

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yucong-zhang opened this issue Mar 25, 2024 · 0 comments
Open

关于反电动势函数的建立与测量 #11

yucong-zhang opened this issue Mar 25, 2024 · 0 comments

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@yucong-zhang
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在readme中提到“测量反电动势时,给电机不同的电压,测量其空载转速,拟合为三次幂函数”。想请教下具体流程。
个人理解如下:
1.修改电机的目标电压,即FOC中力矩环的目标电压,得到电压v
2.读取电机现在的转速(rad/s)
3.重复以上步骤得到转速-电压的函数,修正到代码中

以上步骤是否有错误?并且我发现原函数并没有零次项,但我使用EXCEL散点图多项式拟合时,是存在零次项,该项是故意舍去还是使用其他方法拟合的结果?

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