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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 2 (Q.No. 12)
Automatic Control Systems
12.
For the system in the given figure, the characteristic equation is
s2 + s(3 + 6a) + 6 = 0
s2 + s(3 + 12a) + 12 = 0
s2 + 3s = 0
s2 + 6s = 0
Answer: Option
Explanation:

Transfer function to inner loop = .

Then .

The characteristic equation is s2 + 3s + 6as + 6 = 0.

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