| Operating
Unit / Process |
What
to Control |
Why
Is It Difficult |
Which
MFA to Use |
Fermentation vessel
Request
white paper |
Temperature |
Time-varying process |
Time-varying MFA |
Bio reactors
Request
white paper |
Dissolved Oxygen |
Nonlinear |
Nonlinear MFA |
| pH control |
Large gain changes in Log scale |
MFA pH |
Dryers and ovens
Request
white paper |
Moisture |
Large time delays |
Anti-delay MFA |
| Temperature |
Large load changes |
FB/FF MFA |
Evaporators
Application
Sheet |
Density |
Interacts with level |
MIMO MFA or FB/FF MFA |
| Level |
Interacts with density |
MIMO MFA or FB/FF MFA |
Wastewater treatment
Application
Sheet |
pH control |
Large gain changes in Log scale, large delay time |
MFA pH or Anti-delay MFA pH |
