AIChE Symposium Series, Volume 93, Issue 316American Institute of Chemical Engineers, 1997 - Chemical engineering |
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Page 49
... valve valve D 1st Pass Hot Xchg 2nd Pass valve Interm . Xchg 3rd Pass 4th Pass Steam Superheater Valve B Cold Xchg SO3 SO2 + O2 Sensors Figure 1. The spent acid recovery converter . Model Predictive Control of a Spent Acid Recovery Con ...
... valve valve D 1st Pass Hot Xchg 2nd Pass valve Interm . Xchg 3rd Pass 4th Pass Steam Superheater Valve B Cold Xchg SO3 SO2 + O2 Sensors Figure 1. The spent acid recovery converter . Model Predictive Control of a Spent Acid Recovery Con ...
Page 50
... valves merely redistribute the feed , sending a portion directly as cold feed , and the rest through the various heat exchangers . A change in a single valve loading therefore affects not just the feed flow rate through that valve ; it ...
... valves merely redistribute the feed , sending a portion directly as cold feed , and the rest through the various heat exchangers . A change in a single valve loading therefore affects not just the feed flow rate through that valve ; it ...
Page 104
... valve , until the valve stem becomes fully open . This marks a transition time . Note that this transition time is defined implicitly by a condition that the variable representing the stem position reaches an upper bound , and the ...
... valve , until the valve stem becomes fully open . This marks a transition time . Note that this transition time is defined implicitly by a condition that the variable representing the stem position reaches an upper bound , and the ...
Contents
Industry Assessment | 1 |
Predictive Control | 5 |
Adaptive and Nonlinear Control Fact or Fantasy? | 9 |
Copyright | |
22 other sections not shown
Common terms and phrases
adaptive control AIChE algorithm analysis analytical applications approach auto-correlation batch behavior changes Chem Chemical Engineering chemical process chip closed-loop constraints continuous control problems control system controller design defined developed discrete disturbance dynamic equations estimation example feedback control Figure finite Grafcet horizon hybrid systems identification IEEE implementation input linear control loop manufacturing matrix measured methods model predictive control monitoring Morari multivariable neural networks nonlinear control nonlinear model nonlinear systems on-line operating optimal control output error paper machine parameters Petri net PID controllers plant Proc process control process model programming Pulp and Paper quadratic quadratic program reactor robust robust control scheduling sensors sequence set point significant simulation snack food solution specifications stability step structure synthesis TAPPI Press techniques temperature theory tion trajectory transfer function trend trol uncertainty valve variables variance vector wafer