最近在调PM_sensorless的程序,调试level1的park逆变换和SVPWM生成模块,用graph绘出Ta Tb Tc的图像明显不对,然后我就直接绘制ipark1.Cosine余弦曲线,结果发现IQmath计算正余弦根本不对,不知道如何处理。ps:rg1.Out生成的角度图形是对的,锯齿波。
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IQmath计算正余弦不可能不对,请问你是怎么使用Graph的,可能是是Graph设置不对。
原因在于F2806X和F2806XF/M芯片的 IQTABLES地址不一样,具体看我下面帖子的回复:
http://www.deyisupport.com/question_answer/microcontrollers/c2000/f/56/p/111104/306068.aspx#306068