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Communication Dans Un Congrès Année : 2022

A hybrid asymptotic-Kalman observer for estimation of microalgae growth in a closed photobioreactor

Résumé

Microalgae are widely studied as a promising solution for the challenges raised by the sustainable development. Monitoring these kind of cultures is a hard task due to the cost of the physical sensors and the lack of reliable ones for some biochemical variables, especially for the online measurement of biomass concentration. This paper proposes an observer for the biomass concentration based on the online measurement of the dissolved oxygen in the culture. An Hybrid Observer is developed, by the combination of a Kalman filter and an asymptotic observer. The performance and tuning of the Hybrid observer is discussed and highlighted in simulation in the case of a continuous culture of the microalgae C. reinhardtii, performed in a closed photobioreactor.
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Dates et versions

hal-03944706 , version 1 (18-01-2023)

Identifiants

Citer

Juan Pablo Arango Restrepo, Mariana Titica, Sihem Tebbani. A hybrid asymptotic-Kalman observer for estimation of microalgae growth in a closed photobioreactor. ICSC 2022 - 10th International Conference on Systems and Control, Nov 2022, Marseille, France. pp.323-328, ⟨10.1109/ICSC57768.2022.9993822⟩. ⟨hal-03944706⟩
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