绘图matlab,画出来的不是曲线>> UN=220;PN=0.275;IaN=2.144;Nn=12100;Ra=6.952;Rf=8.24;k=0.01;CePhiN=(UN-(Ra+Rf)*IaN)/Nn;Ce=CePhiN/k/IaN;Ia=0:IaN;n=UN./(Ce*k.*Ia)-(Ra+Rf)/(Ce*k);start_p=1;Ia_p=Ia(start_p:length(Ia));n_p=n(start_p:length(n));CTPh
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![绘图matlab,画出来的不是曲线>> UN=220;PN=0.275;IaN=2.144;Nn=12100;Ra=6.952;Rf=8.24;k=0.01;CePhiN=(UN-(Ra+Rf)*IaN)/Nn;Ce=CePhiN/k/IaN;Ia=0:IaN;n=UN./(Ce*k.*Ia)-(Ra+Rf)/(Ce*k);start_p=1;Ia_p=Ia(start_p:length(Ia));n_p=n(start_p:length(n));CTPh](/uploads/image/z/13868374-22-4.jpg?t=%E7%BB%98%E5%9B%BEmatlab%2C%E7%94%BB%E5%87%BA%E6%9D%A5%E7%9A%84%E4%B8%8D%E6%98%AF%E6%9B%B2%E7%BA%BF%3E%3E+UN%3D220%3BPN%3D0.275%3BIaN%3D2.144%3BNn%3D12100%3BRa%3D6.952%3BRf%3D8.24%3Bk%3D0.01%3BCePhiN%3D%28UN-%28Ra%2BRf%29%2AIaN%29%2FNn%3BCe%3DCePhiN%2Fk%2FIaN%3BIa%3D0%3AIaN%3Bn%3DUN.%2F%28Ce%2Ak.%2AIa%29-%28Ra%2BRf%29%2F%28Ce%2Ak%29%3Bstart_p%3D1%3BIa_p%3DIa%28start_p%3Alength%28Ia%29%29%3Bn_p%3Dn%28start_p%3Alength%28n%29%29%3BCTPh)
绘图matlab,画出来的不是曲线>> UN=220;PN=0.275;IaN=2.144;Nn=12100;Ra=6.952;Rf=8.24;k=0.01;CePhiN=(UN-(Ra+Rf)*IaN)/Nn;Ce=CePhiN/k/IaN;Ia=0:IaN;n=UN./(Ce*k.*Ia)-(Ra+Rf)/(Ce*k);start_p=1;Ia_p=Ia(start_p:length(Ia));n_p=n(start_p:length(n));CTPh
绘图matlab,画出来的不是曲线
>> UN=220;PN=0.275;IaN=2.144;Nn=12100;
Ra=6.952;
Rf=8.24;
k=0.01;
CePhiN=(UN-(Ra+Rf)*IaN)/Nn;
Ce=CePhiN/k/IaN;
Ia=0:IaN;
n=UN./(Ce*k.*Ia)-(Ra+Rf)/(Ce*k);
start_p=1;
Ia_p=Ia(start_p:length(Ia));
n_p=n(start_p:length(n));
CTPhiN=9.55*CePhiN;
CT=CTPhiN/k/IaN;
TN=CT*k*Ia.*Ia;
TNP=TN*10000;
plot(Ia_p,n_p,'b.-',Ia,TNP,'r.-');
xlabel('电枢电流{\itI}_a/A')
ylabel('转速{\itn}/(r/min),电磁转矩{\itT}/(N.m)')
text(40,5500,'转速\itn');
text(15,1000,'电磁转矩{\itT}(X10000)');
set(gca,'xlim',[0,3]);
set(gca,'ylim',[0,40000]);
我用这个程序,画出来的曲线,怎么它取的点这么少,导致变成了折线、
绘图matlab,画出来的不是曲线>> UN=220;PN=0.275;IaN=2.144;Nn=12100;Ra=6.952;Rf=8.24;k=0.01;CePhiN=(UN-(Ra+Rf)*IaN)/Nn;Ce=CePhiN/k/IaN;Ia=0:IaN;n=UN./(Ce*k.*Ia)-(Ra+Rf)/(Ce*k);start_p=1;Ia_p=Ia(start_p:length(Ia));n_p=n(start_p:length(n));CTPh
UN=220;PN=0.275;IaN=2.144;Nn=12100;
Ra=6.952;
Rf=8.24;
k=0.01;
CePhiN=(UN-(Ra+Rf)*IaN)/Nn;
Ce=CePhiN/k/IaN;
Ia=0:0.01:IaN;
n=UN./(Ce*k.*Ia)-(Ra+Rf)/(Ce*k);
start_p=1;
Ia_p=Ia(start_p:length(Ia));
n_p=n(start_p:length(n));
CTPhiN=9.55*CePhiN;
CT=CTPhiN/k/IaN;
TN=CT*k*Ia.*Ia;
TNP=TN*10000;
plot(Ia_p,n_p,'b.-',Ia,TNP,'r.-');
xlabel('电枢电流{\itI}_a/A')
ylabel('转速{\itn}/(r/min),电磁转矩{\itT}/(N.m)')
text(40,5500,'转速\itn');
text(15,1000,'电磁转矩{\itT}(X10000)');
set(gca,'xlim',[0,3]);
set(gca,'ylim',[0,40000]);
步长太小的缘故