Page 232 - Distributed model predictive control for plant-wide systems
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206                           Distributed Model Predictive Control for Plant-Wide Systems


                      0.2
                   Δx 1  0
                     –0.2
                        0     10    20     30    40    50     60    70     80
                                                 Time (s)
                      0.2
                   Δx 2  0
                     –0.2
                        0     10    20     30    40    50     60    70     80
                                                 Time (s)
                      0.4
                      0.2
                   Δx 3  0
                     –0.2
                        0     10    20     30    40    50     60    70     80
                                                 Time (s)
                      0.6
                      0.4
                   Δx 4  0.2
                       0
                     –0.2
                     –0.4
                        0     10    20     30    40    50     60    70     80
                                                 Time (s)
                      0.5
                   Δx 5  0

                     –0.5
                        0     10    20     30    40    50     60    70     80
                                                 Time (s)
                      0.2
                   Δx 6  0
                     –0.2
                        0     10    20     30    40    50     60    70     80
                                                 Time (s)

                      0.5
                   Δx 7  0
                     –0.5
                        0     10    20     30    40    50     60    7 0    80
                                                 Time (s)
                             Difference between CD-MPC and Centralized MPC
                             Difference between LCO-DMPC and Centralized MPC

           Figure 9.5 Differences of the absolute value of the state and inputs of each subsystem between under
           the control of LCO-DMPC and under the control of centralized MPC, and between under the control of
           C-DMPC and under the control centralized DMPC
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