Page 123 - Distributed model predictive control for plant-wide systems

Local Cost Optimization-based Distributed Model Predictive Control 97

Outputs Manipulated Variables
0.2 0.5

y 1 0 u 1 0

–0.2 –0.5
0 100 200 300 400 0 100 200 300 400
0.1 0.5

y 2 0 u 2 0

–0.1 –0.5
0 100 200 300 400 0 100 200 300 400
0 0.5
–0.2
y 3 u 3 0
–0.4
–0.5
0 100 200 300 400 0 100 200 300 400
Time (min) Time (min)
Figure 5.6 Closed-loop system output responses and manipulated/control signals with no communi-
1
cation failure under the disturbance pattern d = [0.5 0.5] T
Outputs Manipulated Variables
0.2
0.4
y 1 0 u 1
0.2
–0.2 0
0 100 200 300 400 0 100 200 300 400
0.1 0.5

y 2 0 u 2 0

–0.1 –0.5
0 100 200 300 400 0 100 200 300 400

0.4 0.5
0.2
y 3 u 3 0
0

–0.2 –0.5
0 100 200 300 400 0 100 200 300 400
Time (min) Time (min)

Figure 5.7 Closed-loop system output responses and manipulated/control signals with no communi-
2
cation failure under the disturbance pattern d = [−0.5 − 0.5] T