Estimation of Chlorella vulgaris growth rate in a continuous photobioreactor

Rayen Filali 1 Sihem Tebbani 1 Didier Dumur 1 Sette Diop 2 Arsène Isambert 3 D. Pareau F. Lopes
1 E3S - Supélec Sciences des Systèmes [Gif-sur-Yvette]
2 Division Systèmes - L2S
L2S - Laboratoire des signaux et systèmes : 1289
3 LGPM - Laboratoire de Génie des Procédés et Matériaux - EA 4038
Abstract : Microalgae consume carbon dioxide for their growth and to produce secondary metabolites. One of the control system challenges is to maximize this carbon dioxide consumption by controlling microalgae growth, and by maintaining its growth rate at an optimal value. However, there is no such thing as a microalgae growth rate sensor. This paper proposes a software sensor for the specific growth rate and biomass concentration of a microalgae culture in a continuous photobioreactor using the measurements of Total Inorganic Carbon in the medium. Numerical simulations are included to illustrate the performance of the proposed estimation strategy.
Keywords : Asymptotic estimator software sensor Chlorella vulgaris specific growth rate biomass
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Conference papers
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https://hal-supelec.archives-ouvertes.fr/hal-00640786
Contributor : Josiane Dartron <>
Submitted on : Monday, November 14, 2011 - 11:48:50 AM
Last modification on : Thursday, December 5, 2019 - 5:18:51 PM

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Rayen Filali, Sihem Tebbani, Didier Dumur, Sette Diop, Arsène Isambert, et al.. Estimation of Chlorella vulgaris growth rate in a continuous photobioreactor. 18th IFAC World Congress, Aug 2011, Milan, Italy. pp.CD-Rom, ⟨10.3182/20110828-6-IT-1002.02025⟩. ⟨hal-00640786⟩

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