Student Exercises—Feed-Forward Control
| 13 | Use physical reasoning to discuss why the disturbance dead time must be greater than the process dead time to even have the possibility of perfect feed-forward disturbance compensation. |
| 14 |
Let  and  .
Design a feed-forward controller, gcf(s), for this system. Elaborate on its expected performance. |
| 15 | A mixing vessel is used to maintain a desired pH level in a stream flowing to a waste treatment plant. The pressure to the valve on an acid stream is used as the manipulated variable. Most of the variability in ... |
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