2727Chemical EngineeringMedium
Which of the systems having following transfer functions is stable?
A1/(s2 + 2s + 2)
B1/(s2 – 2s + 3)
C1/(s2 + 2)
Dexp (-20s)/(s2 + 2s – 1)
Correct answer
A. 1/(s2 + 2s + 2)
Explanation
The correct answer is 1/(s2 + 2s + 2).