Evrard, Brigitte ; Université de Liège > Département de pharmacie > Pharmacie galénique
Vande Wouwer, Alain; Université de Mons-Hainaut - UMH > Biosys
Language :
English
Title :
Modeling, sensitivity analysis and parameter identification of a twin screw extruder
Publication date :
June 2016
Event name :
11th IFAC Symposium on Dynamics and Control of Process Systems, including Biosystems
Event date :
du 6 juin 2016 au 8 juin 2016
References of the abstract :
Following the recent success of hot-melt extrusion in the pharmaceutical field, monitoring and control are increasingly applied. In this study, a mathematical model consisting of mass and energy balance partial differential equations is developed and parameters related to material transportation are inferred from experimental data collected from a pilot plant. This data is relative to the output residence time distribution of active product. Parameter identification is complemented by a parametric sensitivity analysis and the computation of confidence intervals. Direct and cross-validation results demonstrate the good predictive capability of the model, which could probably be exploited for model-based control at a next stage.
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