fig110.m

realize analysis and design for computer-controlled system

% Generates Fig 1.10 
% Computer Controlled Systems (3rd ed)
% Author: B. Wittenmark
% Last edit: 1996-12-08
% Copyright (c) 1996 by K. J. 舠tr鰉, B. Wittenmark and
% Department of Automatic Control, Lund Institute of
% Technology, Lund, Sweden

block110;

newplot;
set(gcf,'PaperUnits','centimeters','PaperPosition',[2 2 13 10])
set(gcf,'Units','centimeters','position',get(gcf,'PaperPosition'))

lw=0.9;
uc=0;
w=1;
a=w/2;
b=2*w;
K=2*w*w;
h=0.5;
%
opt=simset('Refine',5);
[t,x,y]=sim('block110',[0, 25],opt);
clf;
subplot(3,2,1);
plot(t,y(:,1),'k-','Linew',lw);
axis([0,25,-0.3,0.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 10 20]);
set(gca,'ytick',[-0.2 0 0.2]);
ylabel('Output','Fontsize',9,'Fontname','NewCenturySchlbk');
text(-8,0.28,'(a)','Fontname','NewCenturySchlbk','Fontsize',9)
drawnow;
%
subplot(3,2,3);
plot(t,y(:,2),'k-','Linew',lw);
axis([0,25,-0.3,0.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 10 20]);
set(gca,'ytick',[-0.2 0 0.2]);
ylabel('Measured output','Fontsize',9,'Fontname','NewCenturySchlbk');
drawnow;
%
subplot(3,2,5);
plot(t,y(:,3),'k-','Linew',lw);
axis([0,25,-0.3,0.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 10 20]);
set(gca,'ytick',[-0.2 0 0.2]);
ylabel('Input','Fontsize',9,'Fontname','NewCenturySchlbk');
xlabel('Time','Fontsize',9,'Fontname','NewCenturySchlbk');
drawnow;
%
subplot(3,2,2);
plot(t,y(:,4),'k-','Linew',lw);
axis([0,25,-0.3,0.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 10 20]);
set(gca,'ytick',[-0.2 0 0.2]);
ylabel('Output','Fontsize',9,'Fontname','NewCenturySchlbk');
text(-8,0.28,'(b)','Fontname','NewCenturySchlbk','Fontsize',9)
drawnow;
%
subplot(3,2,4);
plot(t,y(:,5),'k-','Linew',lw);
axis([0,25,-0.3,0.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 10 20]);
set(gca,'ytick',[-0.2 0 0.2]);
ylabel('Measured output','Fontsize',9,'Fontname','NewCenturySchlbk');
drawnow;
%
subplot(3,2,6);
[ts,ys]=stairs(t,y(:,6));
plot(ts,ys,'k-','Linew',lw);
axis([0,25,-0.3,0.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 10 20]);
set(gca,'ytick',[-0.2 0 0.2]);
ylabel('Input','Fontsize',9,'Fontname','NewCenturySchlbk');
xlabel('Time','Fontsize',9,'Fontname','NewCenturySchlbk');
drawnow;
%