State Affine Modeling and Observer Design for Hall-Héroult Process - Modelling and Optinal Decision for Uncertain Systems Accéder directement au contenu
Communication Dans Un Congrès Année : 2020

State Affine Modeling and Observer Design for Hall-Héroult Process

Résumé

Hall-Héroult process is a complex electrolysis procedure to produce aluminum. Due to the extreme operational conditions, it is difficult to continuously measure certain important values. This paper presents an approach to model and estimate the alumina concentration and anode-cathode distance based on the available measurements. Initially, a state affine model is obtained using a combination of physical-chemical relations and system identification. Then, a linear Kalman observer is designed to recover the desired signals. The proposed approach is validated on an industrial platform.

Domaines

Automatique
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Dates et versions

hal-02884650 , version 1 (03-12-2020)

Identifiants

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Lucas José da Silva Moreira, Mirko Fiacchini, Gildas Besancon, Francesco Ferrante, Herve Roustan. State Affine Modeling and Observer Design for Hall-Héroult Process. IFAC WC 2020 - 21st IFAC World Congress, Jul 2020, Berlin (virtual), Germany. pp.12020-12025, ⟨10.1016/j.ifacol.2020.12.736⟩. ⟨hal-02884650⟩
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