Fuzzy Coordinated PI Controller: Application to the Real-Time Pressure Control Process

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="691808.fig.012a" src="https://static.hindawi.com/articles/afs/volume-2008/691808/figures/691808.fig.012a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Fuzzy-coordinated PI</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="691808.fig.012b" src="https://static.hindawi.com/articles/afs/volume-2008/691808/figures/691808.fig.012b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Conventional PI controller</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="691808.fig.012c" src="https://static.hindawi.com/articles/afs/volume-2008/691808/figures/691808.fig.012c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>PI-type fuzzy controller</td></tr></table></td></tr></table>

<table>Experimental results, output responses of different controllers for set point change from 3 bar to 4 bar.</table>

Advances in Fuzzy Systems

fig12

Figure 12

Figure 12: Fuzzy Coordinated PI Controller: Application to the Real-Time Pressure Control Process 