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(完整 word 版)直流电动机的 MATLAB 仿真..
for coef=1:—0.25;0。25;
U=U_N*coef;
n=U/C_EPhi_N—(R_a+R_c)/(C_EPhi_N*C_TPhi_N)*Te;
plot(Te,n,’k—’);
str=strcat(’U=',num2str(U),’V’);
s_y=1650*coef;
n=U_N/C_EPhi_N—(R_a+R_c)/(C_EPhi_N*C_TPhi_N)*Te;
plot(Te,n,’rs’);
xlabel(’电磁转矩 Te/N.m’);
ylabel(’转矩 n/rpm');
hold on;
n=U/C_EPhi_N—(R_a+R_c)/(C_EPhi_N*C_TPhi_N)*Te;
plot(Te,n,'k-’);
str=strcat('R=’,num2str(R_c+R_a),'\Omega’);
s_y=400*(4-R_c*1。8);
text(120,s_y,str);