Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 12 (Q.No. 3)
3.
An electromechanical closed loop control system has the following characteristics equation :s3 + 6Ks2 + (K + 2)s = 8
where K is the forward gain of the system. The condition for closed loop stability is
where K is the forward gain of the system. The condition for closed loop stability is
Answer: Option
Explanation:
s3 + 6ks2 + (k + 2)s + 8 = 0
a0 = 1, a1 = 6k, a2 = k + 2, a3 = 8
Apply R.H. criteria.
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