基于Matlab辅助设计开关电源仿真完整源码+数据（课程设计）.zip

%DCM clc,clear,close all %变量 syms Vin Vout Vd Iout fsw Don Ton Np2Ns Dcrm r Lp Ipmax Icrm Dr Iout2Icrm Isdelta Ipdelta; %方程 equ1 = Dcrm*(Vin/Np2Ns+Vout+Vd) == Vout+Vd; %伏秒平衡 equ2 = Ton == Don/fsw; %占空比 equ3 = Iout2Icrm ==Iout/Icrm; %输出电流/临界电流 equ4 = Don/Dcrm == (Iout/Icrm)^(1/2); %占空比/临界占空比 equ5 = Lp == (Np2Ns*Vin^2*(Np2Ns*Vd + Np2Ns*Vout))/(2*Icrm*fsw*(Vin + Np2Ns*Vd + Np2Ns*Vout)^2); %原边电感 equ6 = Ipmax == (2*Iout*Vd + 2*Iout*Vout)/(Don*Vin); %原边最大电流 %参数 handles.Vin_status =1; handles.Vin =100 ; handles.Vout_status =1; handles.Vout =12 ; handles.Vd_status =1; handles.Vd =0.7 ; handles.Iout_status =1; handles.Iout =0.2 ; handles.Icrm_status =0; handles.Icrm =0.5 ; handles.Don_status =0; handles.Don =0.32 ; handles.Ton_status =0; handles.Ton =0.32e-5 ; handles.fsw_status =0; handles.fsw =100e3 ; handles.Np2Ns_status =1; handles.Np2Ns =5 ; handles.Ipmax_status =0; handles.Ipmax =0.2 ; handles.Lp_status =1; handles.Lp =1.5e-3 ; handles.Dcrm_status =0; handles.Dcrm =0.45 ; handles.Iout2Icrm_status=1; handles.Iout2Icrm =0.99 ; input=[]; if(~handles.Vin_status ) , input=[input,Vin ]; end if(~handles.Vout_status ) , input=[input,Vout ]; end if(~handles.Vd_status ) , input=[input,Vd ]; end if(~handles.Iout_status ) , input=[input,Iout ]; end if(~handles.Icrm_status ) , input=[input,Icrm ]; end if(~handles.Don_status ) , input=[input,Don ]; end if(~handles.Ton_status ) , input=[input,Ton ]; end if(~handles.fsw_status ) , input=[input,fsw ]; end if(~handles.Np2Ns_status ) , input=[input,Np2Ns ]; end if(~handles.Ipmax_status ) , input=[input,Ipmax ]; end if(~handles.Lp_status ) , input=[input,Lp ]; end if(~handles.Dcrm_status ) , input=[input,Dcrm ]; end if(~handles.Iout2Icrm_status) , input=[input,Iout2Icrm ]; end output=solve([equ1,equ2,equ3,equ4,equ5,equ6],input); if(~handles.Vin_status ) , Vin =output.Vin ; end if(~handles.Vout_status ) , Vout =output.Vout ; end if(~handles.Vd_status ) , Vd =output.Vd ; end if(~handles.Iout_status ) , Iout =output.Iout ; end if(~handles.Icrm_status ) , Icrm =output.Icrm ; end if(~handles.Don_status ) , Don =output.Don ; end if(~handles.Ton_status ) , Ton =output.Ton ; end if(~handles.fsw_status ) , fsw =output.fsw ; end if(~handles.Np2Ns_status ) , Np2Ns =output.Np2Ns ; end if(~handles.Ipmax_status ) , Ipmax =output.Ipmax ; end if(~handles.Lp_status ) , Lp =output.Lp ; end if(~handles.Dcrm_status ) , Dcrm =output.Dcrm ; end if(~handles.Iout2Icrm_status) , Iout2Icrm =output.Iout2Icrm ; end textnum=13;i_textnum=1;fontsize=12;position=[0.1,0.5]; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Vin = ',latex(Vin ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Vout = ',latex(Vout ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Vd = ',latex(Vd ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Iout = ',latex(Iout ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Icrm = ',latex(Icrm ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Don = ',latex(Don ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Ton = ',latex(Ton ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','fsw = ',latex(fsw ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Np2Ns = ',latex(Np2Ns ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Ipmax = ',latex(Ipmax ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Lp = ',latex(Lp ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Dcrm = ',latex(Dcrm ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2-1); axis off;text('Interpreter','latex','String',['$','Iout2Icrm = ',latex(Iout2Icrm ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; if(handles.Vin_status ) , Vin = handles.Vin ; end if(handles.Vout_status ) , Vout = handles.Vout ; end if(handles.Vd_status ) , Vd = handles.Vd ; end if(handles.Iout_status ) , Iout = handles.Iout ; end if(handles.Icrm_status ) , Icrm = handles.Icrm ; end if(handles.Don_status ) , Don = handles.Don ; end if(handles.Ton_status ) , Ton = handles.Ton ; end if(handles.fsw_status ) , fsw = handles.fsw ; end if(handles.Np2Ns_status ) , Np2Ns = handles.Np2Ns ; end if(handles.Ipmax_status ) , Ipmax = handles.Ipmax ; end if(handles.Lp_status ) , Lp = handles.Lp ; end if(handles.Dcrm_status ) , Dcrm = handles.Dcrm ; end if(handles.Iout2Icrm_status ) , Iout2Icrm = handles.Iout2Icrm ; end Vin =vpa(subs(Vin ),4) Vout =vpa(subs(Vout ),4) Vd =vpa(subs(Vd ),4) Iout =vpa(subs(Iout ),4) Icrm =vpa(subs(Icrm ),4) Don =vpa(subs(Don ),4) Ton =vpa(subs(Ton ),4) fsw =vpa(subs(fsw ),4) Np2Ns =vpa(subs(Np2Ns ),4) Ipmax =vpa(subs(Ipmax ),4) Lp =vpa(subs(Lp ),4) Dcrm =vpa(subs(Dcrm ),4) Iout2Icrm =vpa(subs(Iout2Icrm ),4) textnum=13;i_textnum=1;fontsize=12;position=[0.1,0.5]; subplot(textnum,2,i_textnum*2); axis off;text('Interpreter','latex','String',['$','Vin = ',latex( Vin ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2); axis off;text('Interpreter','latex','String',['$','Vout = ',latex( Vout ),'$'],'Position',position,'FontSize',fontsize);i_textnum=i_textnum+1; subplot(textnum,2,i_textnum*2); axis off;text('Interpreter','latex','String',['$','Vd = ',latex( Vd