Modeling and nonlinear control of volatile fatty acids in an upflow anaerobic fixed bed biofilm reactor (UAFBR)

Main Article Content

Ivan Dario Ramirez
http://orcid.org/0000-0002-5660-8299
Andrés Ramírez Villareal
http://orcid.org/0000-0002-7407-7495
Juan David Ospina Nieto
http://orcid.org/0000-0002-9000-1490

Abstract

In this article a robust regulation strategy of volatile fatty acids is proposed by an anaerobic digestion process. The proposed strategy is a control law via nonlinear feedback obtained by input-output linearization that allows the completion of the control goals despite the modeling errors (uncertainties in the kinetics of the reactions) and the actuator restrictions. The experiments were conducted with an pilot fixed anaerobic reactor and ascending flow (UAFBR) with an active volume of 0.947 m3 fully equipped, used for the treatment of residual waters coming from a wine distillery in Narbonne, France. With the goal of validating the models used, simulated and experimental results are presented and discussed. The performance parameters of the controller under the AM2 and ADM1 models (up time, establishment time, over-impulse and stationary state error) obtained from the numeric simulations that prove the efficiency and applicability of the proposed control strategy.


How to Cite
Ramirez, I. D., Ramírez Villareal, A., & Ospina Nieto, J. D. (2019). Modeling and nonlinear control of volatile fatty acids in an upflow anaerobic fixed bed biofilm reactor (UAFBR). Revista Ingenierías Universidad De Medellín, 19(36), 53–69. https://doi.org/10.22395/rium.v19n36a3

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Author Biographies

Ivan Dario Ramirez, Universidad del Quindio

Docente Investigador

Departamento de Automatización y Control

Facultad de Ingeniería

Universidad del Quindio

Andrés Ramírez Villareal, Universidad del Quindio

Estudiante de Ingenieria Electronica

Facultad de Ingeniería

Universidad del Quindio

Juan David Ospina Nieto, Universidad del Quindio

Estudiante de Ingenieria Electronica

Facultad de Ingeniería

Universidad del Quindiohj