Get Advanced Control of Chemical Processes 1991. Selected Papers PDF

By K. Najim, E. Dufour

ISBN-10: 008041267X

ISBN-13: 9780080412672

This quantity comprises forty papers which describe the new advancements in complicated keep an eye on of chemical strategies and similar industries. the subjects of adaptive regulate, model-based keep an eye on and neural networks are lined by way of three survey papers. New adaptive, statistical, model-based keep watch over and synthetic intelligence suggestions and their purposes are distinct in numerous papers. the matter of implementation of keep an eye on algorithms on a electronic computing device is usually thought of

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Extra resources for Advanced Control of Chemical Processes 1991. Selected Papers from the IFAC Symposium, Toulouse, France, 14–16 October 1991

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In the present c a s e , a physical model c a n n o t be derived from theoretical a n a l y s i s b e c a u s e of the high n u m b e r of variables that must be seized in real time, and also many c o m p o n e n t s that are involved in the chemical reactions are e i t h e r u n k n o w n or c a n n o t b e m o n i t o r e d . H o w e v e r , we get s o m e sights on the process by a m a t h e m a t i c a l a n a l y s i s , s e a r c h i n g a r e l a t i o n s h i p from i n p u t / o u t p u t observations (Majdoul et al.

Samaan (1989). Example applications of the partial state model reference adaptive design technique. International Journal of Adaptive Control and Signal Processing, vol 3, n° 2, pp. 155-165. D. Landau and M. Samaan (1990). Further evaluation for partial state model reference adaptive design. International Journal of Adaptive Control and Signal Processing, vol 4, n° 2, pp. 133-148. The parameter estimator robustness with respect to time varying dynamics is demonstrated by the ability of the adaptive controller to perform well when moving from a set point to another.

1991a). T h e r e c u r s i v e identification algorithm used for on-line parameters estimation, with the n e c e s s a r y m e a s u r e s to i m p r o v e its r o b u s t n e s s is oulined below : with D e a d z o n e of t h e e s t i m a t o r information function s: s(t) = X(t) O j ( t - l ) P ( t - l ) RECURSIVE ESTIMATION ALGORITHM - { ρ 0; Φ Ϊ α - 1 ) Φ η( ΐ - 1 ) } P(t) = U(t) D(t) U ( t ) - L o w e r bound of the adaptation gain di(t) = max ( d 0, d i ( t ) } 1-Acquire the a p p r o p r i a t e data.

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Advanced Control of Chemical Processes 1991. Selected Papers from the IFAC Symposium, Toulouse, France, 14–16 October 1991 by K. Najim, E. Dufour


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