Modeling, Identification and Control of Irrigation Station with Sprinkling: Takagi-Sugeno Approach - Complex System Modelling and Control Through Intelligent Soft Computations - page 489

Dynamics of pressure for P I and Fuzzy regulators

7

Evolution of pressure with Fuzzy controller
Evolution of pressure with PI controller
Referance 5 Bar

6

5

4

5.2

5.1

3

5

5

2

4.9

4.5

4.8

1

10 15 20

4

30 32 34 36 38

0

0 5 10 15 20 25 30 35 40 45 50

K

Fig. 29 Evolution of the pressure for the two types of regulators

Table 3 Comparative table
enters pi and fuzzy
controllers, relating to the
pressure

PI controller Fuzzy controller

Response time at 5 % 12.6 s 6.6 s

Static error of position
(in bar)

0.014 0.01

Table 4 Comparative table
enters pi and fuzzy
controllers, relating to flow

PI controller Fuzzy controller

Response time at 5 % 13.4 s 11.6 s

Static error of position
(in bar)

0.8 0.088