3095Chemical EngineeringMedium
Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1)?
Aw = 1, Kc = 13
Bw = 1/√14, Kc = 45/7 √14
Cw = √(7/8), Kc = 45/4
Dw = √(7/6), Kc = 46/3
Correct answer
D. w = √(7/6), Kc = 46/3
Explanation
The correct answer is w = √(7/6), Kc = 46/3.