Parameter identification of transport PDE/nonlinear ODE cascade model for polymer extrusion with varying die gap
A new transport PDE/nonlinear ODE cascade model is proposed to simulate extrudate thickness for polymer extrusion with varying die gap. The model is developed to simulate extrusion in extrusion blow moulding. A finite element method simulator is used as a reference for the proposed model to replicat...
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| Veröffentlicht in: | Canadian journal of chemical engineering 2021-05, Vol.99 (5), p.1158-1176 |
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| container_title | Canadian journal of chemical engineering |
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| creator | Toukhtarian, Raffi Darabi, Mostafa Hatzikiriakos, Savvas Atsbha, Haile Boulet, Benoit |
| description | A new transport PDE/nonlinear ODE cascade model is proposed to simulate extrudate thickness for polymer extrusion with varying die gap. The model is developed to simulate extrusion in extrusion blow moulding. A finite element method simulator is used as a reference for the proposed model to replicate its time dependent extrudate thickness profile. The parameters of the proposed model are identified by minimizing the response error between the proposed model and the finite element method simulator due to step inputs. The novel model is computationally cheap, suitable for controller design, and effective in simulating the extrudate thickness. |
| doi_str_mv | 10.1002/cjce.23910 |
| format | Article |
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| identifier | ISSN: 0008-4034 |
| ispartof | Canadian journal of chemical engineering, 2021-05, Vol.99 (5), p.1158-1176 |
| issn | 0008-4034 1939-019X |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Control systems design Extrusion blow molding Extrusion dies Extrusion molding Finite element analysis Finite element method Mathematical models Model testing Parameter identification polymer extrusion Polymers Simulation Thickness variable die gap extrusion |
| title | Parameter identification of transport PDE/nonlinear ODE cascade model for polymer extrusion with varying die gap |
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