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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 3 (Q.No. 23)
Automatic Control Systems
23.
For the system of the given figure the closed loop poles are located at
s = 0 and s = -2
s = 0, s = -l ± j3
s = -1 ± j3
s = -2 and s = -1 ± j3
Answer: Option
Explanation:

Transfer function = .

The roots of equation s2 + 2s + 4 = 0 are at -1 ± 3.

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