Q193
Consider the feedback system shown in the figure. The Nyquist plot of G(s) is also shown. Which one of the following conclusions is correct?
Consider the feedback system shown in the figure. The Nyquist plot of G(s) is also shown. Which one of the following conclusions is correct?
A.
G(s) is an all-pass filter
B.
G(s) is a strictly proper transfer function
C.
G(s) is a stable and minimum-phase transfer function
D.
The closed-loop system is unstable for sufficiently large and positive k
AnswerAnswer: Option D
Solution
Answer: Option D
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