buck_boost_pcm_simulink_in.m

基于平均法的buck_boost型DC/DC建模步骤

Vg=input('please give the input voltage Vg=');
V=input('please give the output voltage V=');
Io=input('please give the output current Io=');
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=');
R=input('please give the load resistance r=');
RS=input('please give the sampling resistance of the inductor current RS=');
L=input('please give the inductance L(uH)=');
C=input('please give the capacitance C(uF)=');
Ts=input('please give the switch period Ts(us)=');
L=L*10^(-6);
C=C*10^(-6);
Ts=Ts*10^(-6);
Ma=input('please give the slope compensation coefficient Ma=');
C1=input('please give the parasitic capacitance of the lower sampling resistor C1(pF)=');
C2=input('please give the parasitic capacitance of the upper sampling resistor C2(pF)=');
C1=C1*10^(-12);
C2=C2*10^(-12);
Ae=input('please give the DC gain of the error amplifier Ae=');
Re=input('please give the output resistance of the error amplifier Re=');
Rc=input('please give the compensation resistance of the error amplifier Rc=');
Cc=input('please give the compensation capacitance of the error amplifier Cc(pF)=');
Cc=Cc*10^(-12);
Rb=R1+R2;     
D2=(-Vg-Io*(rS-rD+rg)-((Vg+Io*(rS-rD+rg))^2+4*(V-VD-Vg)*Io*(rS+rL+rg))^0.5)/(2*(V-VD-Vg));
IL=Io/D2;     
D=1-D2;     
rp=D*(rg+rS+rL)+D2*(rD+rL);     
Vp=Vg-V+IL*rD-IL*rS-IL*rg+VD;