我算出的Ｋｐ只有0.0367,比文档上的小多了
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%matlab函数计算Kip<br />clear<br />PI = 3.1415926;<br /><br />Kpwm = 400;<br />R = 14.4;<br />C = 20 * 10^(-6);<br />L = 300 * 10^(-6);<br />Alpha = 2.27 / 14.2; % 2.27V/14.2A<br />Kii = 13000;<br />Ficut = 1200;%电流环穿越频率<br />s = 2*PI*Ficut*i;<br />GIpiNum = Kpwm * Alpha * (s + Kii) * (R*C*s + 1);<br />GIpiDen = R*L*C*s^3 + L*s^2 + R*s;<br />Kip = 1/abs(GIpiNum/GIpiDen)
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楼主
