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# Questions tagged [root-locus]

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### Design a controller using root locus technique

Given the system described by the transfer function $$P(s)=10/(s^2 +1)$$ Design a controller using root locus technique so that: The closed loop system is of first type and $$|e_1|<=0.01$$ The ...
• 11
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### Control engineering: how to design a system for desired impulse response

I've designed a system to get a desirable step response. However, I think the impulse response of my system is more important. There are many methods for designing a system for transient response ...
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### The center and radius of root locus

With this opened-loop transfer function, \begin{align*} L(s) & = \dfrac{K(s+2)}{s(s+1)} \end{align*} I would like to plot the root locus of this system. Based on the textbook,...
• 213
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### What does the root locus tell us exactly?

More specifically what information can one extract from a root locus drawing without calculating the transfer function and then using Routh Hurwitz or other techniques? Essentially, what information ...
• 221
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### Determining imaginary axis crossing of a root locus

I have an equation $${\text{L}\left(s\right)=\frac{K}{s(s+4)(s^2+6s+64)}}$$ and I am trying to determine it's root locus by hand.When I try plotting it with matlab, the ...
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