This model is a container of different trasfer functions that can model the typical processes.
  The parameters of each TF (listed in a table below), can be modified in order to adapt each process to the user's needs. 
  
  
  
| Integrator | |
|---|---|
| Y(s) 1 ---- = ----- U(s) 5s | 

| Integrator + delay | |
|---|---|
| Y(s) 1 -2s ---- = ----- e U(s) 5s | 

| First Order | |
|---|---|
| Y(s) 1 ---- = -------- U(s) 1 + 5s | 

| First Order + delay | |
|---|---|
| Y(s) 1 -2s ---- = -------- e U(s) 1 + 5s | 

| Fast Slow | |
|---|---|
| Y(s) 1 + 5.8s ---- = -------------- U(s) (1 + 6s)(1+s) | 

| Overshooting | |
|---|---|
| Y(s) 1 + 8s ---- = --------------- U(s) (1 + 5s)(1+2s) | 

| Undershooting | |
|---|---|
| Y(s) 1 - 5.5s ---- = --------------- U(s) (1 + 5s)(1+2s) | 

| Complex Poles | |
|---|---|
| Y(s) 1 ---- = -------------------- U(s) 1 + 1.2 s + 0.025s | 
