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Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 3 (Q.No. 13)
Process Control and Instrumentation
13.
Which of the systems having following transfer functions is stable?
1/(s2+ 2)
1/(s2-2s + 3)
1/(s2 + 2s + 2)
exp(-20s)/(s2 + 2s-l)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Harry145 said:   1 decade ago
Answer (C).

Roots are -1+j, -1-j..... negative real part. System stable (C).
(1)
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