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Virtual Sensors to Drive Anaerobic Digestion under a Synergetic Controller

Author

Listed:
  • Hanane Bouchareb

    (LEPCI Laboratory, Faculty of Technology, Ferhat Abbas University, Setif 19000, Algeria)

  • Samia Semcheddine

    (LEPCI Laboratory, Faculty of Technology, Ferhat Abbas University, Setif 19000, Algeria)

  • Mohamed Naguib Harmas

    (QUERE Laboratory, Faculty of Technology, Ferhat Abbas University, Setif 19000, Algeria)

  • Kouider Nacer M’sirdi

    (LSIS Laboratory, Aix Marseille University, 13397 Marseille, France)

  • Aziz Naamane

    (LSIS Laboratory, Aix Marseille University, 13397 Marseille, France)

Abstract

A robust synergetic controller using different observers is developed to drive an anaerobic digestion biogas plant. The latter, a highly nonlinear process requires prohibitive cost sensors. Furthermore, some variables are downright immeasurable rendering control an intricate challenge. Only biogas flow which can be effectively measured, due to an easily integrated low cost sensor, will be considered available and used in this work. The proposed synergetic controller depends on immeasurable system states, thus observers will be used for state estimation. Substrate and biomass concentrations required in the synergetic control law will be obtained via three virtual sensors developed for a one stage fermentation process model. The model, used in this paper, consider the mechanization phase responsible for the biogas production because the objective is to improve the amount of methane produced. A simulation study of the biogas plant control with the proposed technique is compared to a classic PID (Proportional, Integral and Derivative) approach. Comparative studies are provided for observation and control via computer simulations.

Suggested Citation

  • Hanane Bouchareb & Samia Semcheddine & Mohamed Naguib Harmas & Kouider Nacer M’sirdi & Aziz Naamane, 2019. "Virtual Sensors to Drive Anaerobic Digestion under a Synergetic Controller," Energies, MDPI, vol. 12(3), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:3:p:430-:d:201839
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    References listed on IDEAS

    as
    1. Martin Černý & Monika Vítězová & Tomáš Vítěz & Milan Bartoš & Ivan Kushkevych, 2018. "Variation in the Distribution of Hydrogen Producers from the Clostridiales Order in Biogas Reactors Depending on Different Input Substrates," Energies, MDPI, vol. 11(12), pages 1-10, November.
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