Electronics and Communication Engineering - Automatic Control Systems - Discussion
Discussion Forum : Automatic Control Systems - Section 1 (Q.No. 11)
11.
For the given figure C(s)/R(s)
Answer: Option
Explanation:
.
Discussion:
3 comments Page 1 of 1.
Albert bohol said:
5 years ago
How you get S-3? Please explain the given answer.
Palak said:
5 years ago
@Albert.
Because the feedback is negative one so when in cascaded mode the values are added or subtracted depending on the sign. In the figure 4/ (s+1) is subtracted so the answer will be 5/(s+2) -4/(s+1).
Because the feedback is negative one so when in cascaded mode the values are added or subtracted depending on the sign. In the figure 4/ (s+1) is subtracted so the answer will be 5/(s+2) -4/(s+1).
Mounika said:
3 years ago
5(s+1)-4(s+2) = 5s + 5 - 4s - 8 = s-3.
(1)
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