Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 2 (Q.No. 4)
4.
The open loop transfer function of a unity feedback system is: 
The range of K for which the system is stable is
The range of K for which the system is stable is
13 > K > 0
-6 < K < ∞
Answer: Option
Explanation:
Apply R-H.
Discussion:
4 comments Page 1 of 1.
Zubair said:
4 years ago
Can anybody please explain R H Rules?
Komal mali said:
7 years ago
Characteristic eq. is 1+g (s).h (s).
1+k/s (s^2+s+2)(s+3).1.
Characteristic eq. is s^4+4s^3+5s^2+6s+k.
Apply R.H.Rule.
21-4k/7/2>0.
21-4k>0,
21>4k,
k <21/4.
1+k/s (s^2+s+2)(s+3).1.
Characteristic eq. is s^4+4s^3+5s^2+6s+k.
Apply R.H.Rule.
21-4k/7/2>0.
21-4k>0,
21>4k,
k <21/4.
Venaktesan said:
8 years ago
Kindly explain it briefly.
Shivani muthekar said:
1 decade ago
I want to step by step answer for checking my step is right or wrong.
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