Electronics and Communication Engineering - Automatic Control Systems - Discussion
Discussion Forum : Automatic Control Systems - Section 1 (Q.No. 1)
1.
For the system in the given figure the characteristic equation is
K(s + 1)(s + 3) = 0
s(s + 2) = 0
Answer: Option
Explanation:
Transfer function = 
.
Hence characteristic equation is 
.
Discussion:
13 comments Page 2 of 2.
Mufeed said:
6 years ago
For unity feedback systems the transfer function is G (S)/1+G (S).
So, the characteristic equation is 1+G (S) = 0.
So, the characteristic equation is 1+G (S) = 0.
VAIJINATH said:
4 years ago
Anyone, Please explain it fully & clearly.
RISHI NIGAM said:
4 years ago
Here, we can use 1 + KG(S)H(S) = 0.
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