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Highlights from
Feedback Control of Dynamic Systems, 6th Edition, Prentice-Hall, 2010

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Feedback Control of Dynamic Systems, 6th Edition, Prentice-Hall, 2010

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MATLAB and Simulink files for the book, Feedback Control of Dynamic Systems, 6th Edition, 2010

fig6_54.m
% Fig. 6.54   Feedback Control of Dynamic Systems, 6e 
%             Franklin, Powell, Emami
%

clear all;
%close all;
clf

alpha=logspace(-2,0,100);
N=size(alpha);
ialpha=ones(N)./alpha;
dum=(ialpha-ones(N))./(ialpha+ones(N));
phimax=asin(dum);
ff=180/pi;
phimax=ff*phimax;
semilogx(ialpha,phimax);
xlabel('1/\alpha');
ylabel('Maximum phase lead (deg)');
title('Fig. 6.54 Maximum phase increase for lead compensation.');
bodegrid;

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