I want to observe a gain margin with variable gain. How to plot variable to gain margin, where gain of transfer function is varying in step size?
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clc
clear all
m = -2:0.1:5;
c = 25;
x = 10;
% x = 0:0.01:20;
% y = m.*x+c;
s = tf('s')
H = tf([1 m],[1 x c])
bode(H);
[Gm,Pm,Wcg,Wcp] = margin(H)
plot(m,Gm)
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Sam Chak
2022-2-26
Since and are constants, have you checked manually if the gain margins are finite or infinite in the desired operating range ?
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