5952Chemical EngineeringMedium
The transfer function for a PID controller is (where, η i is the integral (reset) time and ηD is the derivative time.)?
AKc[1 + (1/ηis) + ηD. s)
BKc(1 + ηis + ηD ). s
CKc(1 + ηis + (1/ηD. s)
DNone of these
Correct answer
A. Kc[1 + (1/ηis) + ηD. s)
Explanation
The correct answer is Kc[1 + (1/ηis) + ηD. s).