An Equivalent Control Based Observer for Biomass in a Batch Process
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IEEE
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Descripción
In this paper a sliding-mode observer for a batch bioprocess, the d-endotoxins production of bacillus thuringiensis (BT), is presented. The proposed observer is based on the equivalent control method and a class of second-order sliding mode operators. The use of these operators in the observer design allows the fixed-time convergence of the measured variables, while the unmeasured variables converge exponentially. This structure allows to estimate the biomass in the d-endotoxins production of BT, even, under noisy measurement conditions. Simulations show the feasibility of the proposed observer.
Convergence proofs are also presented.
Palabras clave
State Observers, Chemical Process
Citación
J. D. Sánchez-Torres, E. Jiménez-Rodríguez, J. A. Isaza and H. Botero-Castro (2017). An Equivalent Control Based Observer for Biomass in a Batch Process. 3rd IEEE Colombian Conference on Automatic Control, Cartagena de Indias, Colombia. https://rei.iteso.mx/handle/11117/5032