By K. Najim, E. Dufour
This quantity includes forty papers which describe the hot advancements in complex keep watch over of chemical approaches and similar industries. the subjects of adaptive keep an eye on, model-based keep an eye on and neural networks are lined via three survey papers. New adaptive, statistical, model-based keep an eye on and synthetic intelligence thoughts and their purposes are precise in numerous papers. the matter of implementation of keep watch over algorithms on a electronic machine can also be thought of
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Additional resources for Advanced Control of Chemical Processes 1991. Selected Papers from the IFAC Symposium, Toulouse, France, 14–16 October 1991
In fact, the reactor t e m p e r a t u r e is t h e p r e d o m i n a n t c r i t e r i o n of t h e final p r o d u c t quality. T h e p r o c e s s e x h i b i t s a m o r e complex behaviour than the usual ones e n c o u n t e r e d in fluidized bed p r o c e s s e s ; this is mainly d u e to the e x o t h e r m i c chemical reactions associated w i t h t h e b u r n i n g of c a r b o n i c c o m p o n e n t s . In fact, in steady state o p e r a t i o n , t h e m a j o r p a r t of t h e n e c e s s a r y calories for the calcination reaction is provided by this c a r b o n i c c o m p o n e n t s .
E . the fluidized bed c a l c i n a t i o n reactor. T h e control algorithm showed satisfactory performances d e s p i t e the difficulties w h i c h are i n h e r e n t to fluidized bed reactor and those relevant to the 32 A priori Information I PHOSPHATE FEED ^ Supervision ^ Model Parameters Estimation Design Regulator Parameters Input Output Regulator FIGURE 2: THE SUPERVISED ADAPTIVE CONTROLLER. FIGURE 1 : THE CALCINATION U N I T . FIGURE 6: ROTATION SPEED OF THE FEEDER. (KG/H) 1750. I 1563.
T h e c o n t r o l a l g o r i t h m s h o w e d satisfactory p e r f o r m a n c e s u n d e r industrial constraints and results from actual plant operation are r e p o r t e d . Other benefits gained through the operating facilities provided by the c o m p u t e r control system in supervision mode which contributes to the success of this industrial application, are also discussed. K e y w o r d s : A d a p t i v e Predictive Control, Fluidized Bed Reactor, Industrial N o n - m i n i m u m P h a s e M o d e l , Robust P a r a m e t e r Estimation.
Advanced Control of Chemical Processes 1991. Selected Papers from the IFAC Symposium, Toulouse, France, 14–16 October 1991 by K. Najim, E. Dufour