Solve number 3 only using this :

 Solve number 3 only using this :

task 3: perform non-linearity for 2 diff tunning method. (ziegler nicholas and imc) 

Non-linearity is introducing step changes to the process by changing set point from 4.5 to 8.5.

discussion include:

- compare the two tunning method

-see how controller in each method respond to the changes (quick/slow?)

- see if controller performance well or not (which approach closer to set point)

-why ziegler is better than imc. (probably can add benefit for using this tunning method)

To compare use :

if you want compare you can use the  PID block parameters calculated for each method. 

*ziegler*

P= 1 

I= 2.746

D= 24.714

*IMC*

P= 1

I= 26.21

D= 1.4142