Advanced Control of Chemical Processes 1991. Selected Papers by K. Najim, E. Dufour

By K. Najim, E. Dufour

This quantity includes forty papers which describe the hot advancements in complicated keep watch over of chemical procedures and similar industries. the themes of adaptive keep an eye on, model-based keep an eye on and neural networks are lined through three survey papers. New adaptive, statistical, model-based keep an eye on and synthetic intelligence concepts and their purposes are special in numerous papers. the matter of implementation of regulate algorithms on a electronic desktop can also be 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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2. A node-link structural model of the wet end. 48 The STC implemented in the control station uses an ARX model and it is a k incremental controller. A special characteristic of the STC is a time-varying input weighting factor (Koivo, 1988). Changes in the estimates of the ARX model parameters cause a direct change in the input weighting factor, and will result in the controller working smoother. slow sampling restricts how rapdily the controller can respond to HD E AXB O & disturbances. A new multirate method (MSPI) has been develoW EI R TP I try Ito E solve this problem.

INNER CALCINATOR TEMPERATURE UNDER GPC CONTROL. M FIGURE 8: FLUIDIZATION A I R FLOW RATE. (TONS/H) 750. _ (TONS/H) 500. _ 250. _ 0. (MN) (MN) 0. 50. 100. 150. 2' 0. 50. 100. 150. 200. FIGURE 9: CALCINATED PHOSPHATE OUTPUT FLOW RATE. FIGURE 5: INPUT PHOSPHATE FEED RATE. O. Jones*, D Williams*, D. A, Montgomery* ^Control Systems Research Group, Department Byrom **Department of Bio-molecular Sciences, of Electrical Street, and Electronic Liverpool Liverpool L3 3AF, Polytechnic, Engineering, Liverpool Polytechnic, UK Byrom Street, Liverpool L3 3AF, UK Abstract.

T h e controlled plant c o n s i s t s of a fluidized bed c a l c i n a t i o n r e a c t o r . T h e c a l c i n a t i o n p r o c e s s is a i m e d to e l i m i n a t e t h e c a r b o n i c c o m p o n e n t s and other i m p u r i t i e s contained in the p h o s p h a t e 1 m i n e r a l . T h e chemical reactions of e n r i c h m e n t of t h e p r o d u c t occur in the calculator at high t e m p e r a t u r e . T h e r e a c t o r t e m p e r a t u r e is in fact a 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.

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