典型環(huán)節(jié)的頻率響應(yīng)

慣性環(huán)節(jié):fl=[l.552,4z5.03,6.34,7.98,10.04f12.64f15.92f25.22,31.76,40f50.33,63?36,100.4,159.2];logwl=[lz1.4,1.5,1.6Z1.7,1.8,1.9r2,2.2,2.3,2.4,2.5,2.6,2.8,3];X01=[0.3zl.lr1.5r1.9z2.3f2.9f3. 4#4.7f5r5.2f5.4Z5.5r5.6Z5.9];Xml=[2.6Z4.4r4.72z5z5.2f5.32f5.44f5.48f5.6,5.6,5.64,5.7Z5.76,5.86,5.5]；Yml=[2.52z4.2,4.48,4.6,4.64f4.46,4.20,3.76,2.88,2.44,2.0z1.68,1.36,0.9,0.56];JD=-asin(X01?/Xml)/pi*180;F=20*logl0(Yml?/Xml);a=0?01038;Fl=-20?★丄og[D((：L+a?八2?*((10?八丄ogwl)?A2))?八0?5);幅頻subplot(211)plot(logwl,Fl)holdonplot(logwlzF,1?▼)gridon斡相頻subplot(212)plot(logwlzJDf1?▼)holdonJD=-atan(0?01008*(10.Alogv/1))*180/pi;plot(logwl,JD)gridon積分環(huán)節(jié):iogw2=[lz1.3,1.4,1.5,1.6,1.7f1.9f2f2.2];XO2=[2.2Z3.4r3.76f3.9Z4.2Z4.3,4.6f4.6r4.7];Xm2=[2.2z3.44f3.76,4.04f4.28f4.44,4.68f4.72z4.80];Ym2=[2.04,1.6Z1.44f1.24r1.04z0.92,0.62,0.48z0.36];JD=-asin(X02?/Xm2)/pi*180;F=20*logl0(Ym2?/Xm2);subplot(211)%plot(logw2zFr1?▼)holdonF=-20?*logv?2+20?*logl0(10?03);plot(logw2zF)gridonsubplot(212)%plot(logw2zJD)holdonplot(logw2zJDf9?▼)holdonp=polyfit(logw2/JDZ4);yt=poiyval(pflogv/2);plot(logw2zytf1rT);gridon開(kāi)環(huán):0.01s(0.01s+l)XO3=[O.7Z1.Of1. 1.2,1.3,1.lflz0.85,0.7,0.4Z0.0];Xm3=[0?7,1.2,1.28z1.32,1?4,丄.40,1.48,1.46z1.5Z1.5,1.54,1.52];Ym3=[6.24,4.4Z3.72,3.04f2.48f1.88f1.4,1.02^0.5^0.328,0.232,0.160];JD=-180+asin(X03?/Xm3)/pi*180;F=20*logl0(Ym3?/Xm3);a=98?04;b=0?009699;Fl=20?*logl0(a)-20?★丄oglO(10?八丄ogw3)-10?★丄oglO(1+((10?八丄ogw3)?*b)?八2)；num=(100);den=[0?孔lr0];[FpzXpfw]=bode(numfden);subplot(211)plot(logw3,FlzloglO(w)r20*logl0(Fp))holdonplot(logw3,F,f?▼)gridonsubplot(212)plot(logw3,JDf1?▼)holdonJD=-50-atan(0?01411*(10?八丄ogw3))*180/pi;plot(logw3,JDfloglO(w)rXp)gridon

閉環(huán):100s(0?01s+l)+100閉環(huán):100s(0?01s+l)+100f4=[5?01zG?00f7?DO,8?99,10?01,25,12,13?02f13.98,14.97,丄5?97,98z19.00,20.95r22.07,24.97,27.98,25.97r35.02];Iogw4=logl0(2*pi*f4)X04=[0.5z0.3,0.7,0.9,lr1.2,1.3,1.3,1.4f1.4r1.4,1.3,1.2,1.15,1.0r1,0.8r0.8Z0.7];Xm4=[l.28,1.30,1?36,1?40,1? ?44,1?46,1?46f1?48,1?48,1?48,1?50,1?48f丄.52r1?52r1.52r1?50,丄.52,丄.52];Ym4=[l.34,1.44,1.52,1.60,1.66,1.70,1.68,1.64z1.58,1.52,1.44,1.32,1.14f0.524,0.88f0.7r0.524,0.45r0.35];JD(1:10)=-asin(X04(1:ID)?/Xm4(1:10))/pi*180JD(11:15)=-180+asin(X04(11:15)?/Xm4(11:19))/pi*180F=20*logl0(Ym4?/Xm4)num=(100);den=[0?0：L,If100];[FpzXpfw]=bode(num,den);a=0.5028;b=98.2;Fl=-10?★丄oglD((1-((10?八丄ogw4)/b)?^2)?A2+(4?★(a?八2)?★((10?八丄ogw4)?^2)./(b.A2)));subplot(211)plot(logw4,Fl,loglO(w)r20*logl0(Fp))axis([l.3,2.5,-40,20])holdonplot(logw4,F,1?▼)gridonsubplot(212)plot(