drillmachine1.m

《Matlab控制系统计算机辅助设计》随书程序

%Response to a Unit Step Input R(s)=1/s for k=20 and k=100
%
numg=[1];deng=[1 1 0]
k1=100;k2=20;
num1=[11 k1];num2=[11 k2];den=[0 1];
%
[na,da]=series(num1,den,numg,deng);
[nb,db]=series(num2,den,numg,deng);
[numa,dena]=cloop(na,da);[numb,denb]=cloop(nb,db);
%
t=[0:0.01:2];
[y1,x,t]=step(numa,dena,t);[y2,x,t]=step(numb,denb,t);

subplot(211),plot(t,y1),grid;
subplot(212),plot(t,y2),grid;