pid tuning according to ziegler and nichols_quick reference pi and pid tuning according to ziegler...
DESCRIPTION
Ziegler and Nichols PID Tuning.PID tuning using Ziegler and Nichols. Parameter TablesTRANSCRIPT
Essuman J.B: ‘Quick Reference: PI and PID tuning according to Ziegler and Nichols.’
PID PARAMETERS TUNING ACCORDING TO
ZIEGLER AND NICHOLS
Kp , Ki and Kd
DEFINITIONS
PID Gains
Kp : Proportional Gain
Ki : Integral Gain
Kd : Derivative Gain
Ziegler-Nichols Open Loop/Reaction Curve Method –
Settings
First Order Plus Dead Time Model (FOPDT)
L: delay or dead time ; T: time constant
Controller
Type Kp Ki Kd
PI 0.9T/L
0.27T/L
2 0
PID 1.2T/L 0.6T/L2 0.6T
Essuman J.B: ‘Quick Reference: PI and PID tuning according to Ziegler and Nichols.’
Ziegler-Nichols Closed Loop/Ultimate Gain Method –
Settings.
Sustained Oscillation
Ku: ultimate proportional gain
Pu : ultimate period
Controller
Type Kp Ki Kd
PI 0.45Ku
0.54Ku/Pu 0
PID 0.6Ku 1.2Ku/Pu 0.075KuPu