fig5_52.m

包含了控制理论的各种仿真程序

% Fig. 5.52  Feedback Control of Dynamic Systems, 4e 
%             Franklin, Powell, Emami
% script to generate figure 5.52
% using the general simulation nonsim
clf;
N=0.4;
a=2.5;
r=0;
num=[1 1];
den=[1 0 0 ];
nf=1;
df=1;
hold on
grid on
for k=1:6
   r=r+2;
   sim('nonsim',30)
   plot(yn(:,1),yn(:,2))
end
Title('Figure 5.52 Simulation of a stable system')
xlabel('Time (sec)');
ylabel('y');
gtext('r=2')
gtext('r=4')
gtext('r=6')
gtext('r=8')
gtext('r=10')
gtext('r=12')
hold off