buck_boost_pcm_load_reg.m

基于平均法的buck_boost型DC/DC建模步骤

function buck_boost_PCM_load_reg( Vg,V,Iomax,rg,rL,rS,rC,rD,VD,R1,R2,RS,L,Ts,Ma,Ae)
Vg=input('please give the input voltage Vg=');
V=input('please give the output voltage V=');
Iomax=input('please give the output current Iomax=');
Iomin=input('please give the output current Iomin=');
rg=input('please give the resistance of the input voltage source rg=');
rL=input('please give the resistance of the inductor rL=');
rS=input('please give the resistance of the switch rS=');
rC=input('please give the resistance of the capacitor rC=');
rD=input('please give the resistance of the diode rD=');
VD=input('please give the voltage of the diode VD=');
R1=input('please give the lower sampling resistance R1=');
R2=input('please give the upper sampling resistance R2=');
RS=input('please give the sampling resistance of the inductor current RS=');
L=input('please give the inductance L(uH)=');
Ts=input('please give the switch period Ts(us)=');
L=L*10^(-6);
Ts=Ts*10^(-6);
Ma=input('please give the slope compensation coefficient Ma=');
Ae=input('please give the DC gain of the error amplifier Ae=');
Rb=R1+R2;
D2min=(-Vg-Iomax*(rS-rD+rg)-((Vg+Iomax*(rS-rD+rg))^2+4*(V-VD-Vg)*Iomax*(rS+rL+rg))^0.5)/(2*(V-VD-Vg));
D2max=(-Vg-Iomin*(rS-rD+rg)-((Vg+Iomin*(rS-rD+rg))^2+4*(V-VD-Vg)*Iomin*(rS+rL+rg))^0.5)/(2*(V-VD-Vg));
Fb=R1/Rb;
deltaV=Iomax*RS/(D2min*Ae*Fb)-Iomin*RS/(D2max*Ae*Fb);
fprintf('deltaV/V=%6.2f%%\n',100*deltaV/V);