Q2 Consider the open-loop transfer function KG,(s). What is meant by root locus analysis? Explain in your own words the role of the characteristic equation in this context. (а) (b) Explain what is meant by the Nyquist stability criterion. Discuss how this can be used to determine the stability and robustness of a closed loop system? You only need to consider open-loop systems with no right-half-plane open-loop poles.

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Q2
Consider the open-loop transfer function KG, (s). What is meant by root locus
analysis? Explain in your own words the role of the characteristic equation in
this context.
(a)
(b)
Explain what is meant by the Nyquist stability criterion. Discuss how this can
be used to determine the stability and robustness of a closed loop system? You
only need to consider open-loop systems with no right-half-plane open-loop
poles.
Transcribed Image Text:Q2 Consider the open-loop transfer function KG, (s). What is meant by root locus analysis? Explain in your own words the role of the characteristic equation in this context. (a) (b) Explain what is meant by the Nyquist stability criterion. Discuss how this can be used to determine the stability and robustness of a closed loop system? You only need to consider open-loop systems with no right-half-plane open-loop poles.
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