the values of the controller parameters during the Ziegler nichols tuning are given in the table below.
Kp |
Ti |
Td |
|
P |
|||
PI |
|||
PID |
from given figure Tm = 5 and Td = 4 and Km = 1
the Control parameters are computed as below
Proportional controller:
Kp = = 1.25
P+I controller:
Kp = = 1.125
Ti = 3*Td = 3*4 = 12
P+I+D controller:
Kp = = 1.5
Ti = 2*Td = 2*4 = 8
Td = 0.5*Td = 0.5*4 =2
Do not fill thetables only, you must showallsteps 1. For the open loop response shown, find the ZN open loop tuning parameters in the 1.2 1.0 Response Curve Line Tangent to Response Curve 0.8 0.6 K,7...
For the open loop response shown, find the ZN tuning parameters assuming that the step response change is 10. pR 1.8 1.6 1.4 Assume step response amplitude change 10 A step response 10 1.2 0.8 0.6 APV 0.4 0.2 -0.2 0 1 23 4 5 7 Te d 11 13 15 17 19 From the process reaction curve determine the dead time, td, the time constant or time for the response to change, Tm, the ultimate value that the response...
Do not fill the tables only,you must show all ste 2. Find the ZN parameters Output Response Set point are constant to 3 Ker increaseKer decrease Criticali Por-10se period K -3.5 not enough)-4 much)-3. (too t (sec) 10 sec 20 sec From the graph find out Pscand Kcr Critical time Psr Critical gain, Kcr- Kcr P- Controller 0 PI- Controller 2.2 1.2 CI PID- Controller 7 8 Ti Td Kp P controller Pl controller PID controller Do not fill the...