State estimation in batch processes using a nonlinear observer |
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Authors: | Silvina Biagiola Jorge Solsona |
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Institution: | aDepartamento de Ingeniería Eléctrica y de Computadoras, Universidad Nacional del Sur, CONICET, Bahía Blanca, Argentina |
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Abstract: | This paper deals with the problem of nonlinear states estimation in batch chemical processes. It presents a reduced-order nonlinear observer approach to perform the estimation. The proposed method allows adjustment of the speed of convergence towards zero of the estimation error. The stability properties of the model-based observer are analytically treated in order to show the conditions under which exponential convergence can be achieved. In addition, the performance of the proposed observer is evaluated on batch processes. |
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Keywords: | Nonlinear observer Nonlinear dynamics Chemical processes |
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