buck_boost_pcm_ae.m

基于平均法的buck_boost型DC/DC建模步骤

function buck_boost_PCM_Ae( Vgmax,Vgmin,V,deltaV,Iomax,rg,rL,rS,rC,rD,VD,R1,R2,RS,L,Ts,Ma )
Vgmax=input('please give the input voltage Vgmax=');
Vgmin=input('please give the input voltage Vgmin=');
V=input('please give the output voltage V=');
deltaV=input('please give the delta output voltage deltaV=');
Iomax=input('please give the output current Iomax=');
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=');
Rb=R1+R2;
D2max=(-Vgmax-Iomax*(rS-rD+rg)-((Vgmax+Iomax*(rS-rD+rg))^2+4*(V-VD-Vgmax)*Iomax*(rS+rL+rg))^0.5)/(2*(V-VD-Vgmax));
D2min=(-Vgmin-Iomax*(rS-rD+rg)-((Vgmin+Iomax*(rS-rD+rg))^2+4*(V-VD-Vgmin)*Iomax*(rS+rL+rg))^0.5)/(2*(V-VD-Vgmin));
Fb=R1/Rb;
Ae1=(Iomax/D2min)*RS+Ma*(1-D2min)*Ts*RS+((Vgmin-(Iomax/D2min)*(rg+rS+rL))*(1-D2min)*Ts*RS/(2*L))/(deltaV*Fb);
Ae2=(Iomax/D2max)*RS+Ma*(1-D2max)*Ts*RS+((Vgmin-(Iomax/D2max)*(rg+rS+rL))*(1-D2max)*Ts*RS/(2*L))/(deltaV*Fb);
Aemin=max(Ae1,Ae2)