How to find Phase angle?
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How to find phase angle of a root loci using matlab. I would really appreciate any help.
Lets say you have the following transfer function
sys = tf([1 2],[1 4]);
rlocus(sys)
How to find the phase angle if you are given a desired pole location of S1= a+bj where a and b are any real number.
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Star Strider
2022년 4월 10일
I am not certain that is possible for this system. since the roots are all real.
See if getting the ‘Gains’ and ‘Roots’ will do what you want —
sys = tf([1 2],[1 4]);
figure
[r,k] = rlocus(sys);
Roots = r
Gains = k
Nominally, ‘Roots’ would be complex, so the phase angles would be:
PhaseAngles = angle(Roots)
.
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