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Highlights from
Feedback Control of Dynamic Systems, 4th Ed., G. F. Franklin, J. D. Powell, A. Emami-Naeini

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Feedback Control of Dynamic Systems, 4th Ed., G. F. Franklin, J. D. Powell, A. Emami-Naeini

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25 Apr 2003 (Updated )

.m and .mdl files for Feedback Control of Dynamic Systems

fig6_23.m
% Fig. 6.23   Feedback Control of Dynamic Systems, 4e 
%             Franklin, Powell, Emami
%

clear all;
close all;

num=1;
den=[1 2 1];
w=logspace(-2,3,100);
[re,im]=nyquist(num,den,w);
plot(re,im,re,-im);
grid;
xlabel('Re(G(s))');
ylabel('Im(G(s))');
title('Fig. 6.23 Nyquist plot');

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