Research Article

Pole Placement-Based NMPC of Hammerstein Systems and Its Application to Grade Transition Control of Polypropylene

Figure 2

Input profiles of grade transition processes.
630645.fig.002a
(a) Reaction temperature
630645.fig.002b
(b) Concentration ratio of hydrogen to propylene
630645.fig.002c
(c) Concentration ratio of ethylene to propylene