University of Cagliari
Estimation model design for a multicomponent distillation column with temperature measurements
BARATTI, ROBERTO;
2010-01-01
Abstract
The problem of designing the estimation model to infer the effluent compositions in a multicomponent distillation column with temperature measurements is addressed within the adjustable-structure GE framework. On the basis of the per-component SS temperature gradient diagram associated with the column detectability property, a simplified model is drawn, leading to a simpler online estimation algorithm. This approach is applied through simulations to an industrial-type six-component column, finding that the estimation task can be performed with much less (57) ODEs compared to the standard three (2849 ODEs) and six (17390 ODEs) component EKFs.
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