State estimation of a batch hydrogen production process using the photosynthetic bacteria Rhodobacter capsulatus |
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Authors: | Jamila Obeid Jean-Marie Flaus Olivier Adrot Jean-Pierre Magnin John C. Willison |
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Affiliation: | 1. Grenoble University, LEPMI, UMR 5631 (CNRS-INPG-UJF), Laboratoire d''Electrochimie et de Physico chimie des Matériaux et Interfaces, BP 75, 38402 St. Martin d''Hères, France;2. Grenoble University, G-SCOP UMR 272 (CNRS-INPG-UJF), Laboratoire des Sciences pour la Conception, l''Optimisation et la Production, 46, avenue Félix Viallet, 38031 Grenoble, France;3. Laboratoire de Chimie et Biologie des Métaux (UMR 5249 CEA-CNRS-UJF), iRTSV/LCBM, CEA-Grenoble, 38054 Grenoble, France |
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Abstract: | This paper addresses the problem of estimating the states of an anaerobic photosynthetic process used for biohydrogen production by the photosynthetic bacterium Rhodobacter capsulatus. The process is described by a non-linear, time-discrete model and the state estimation is solved using an observer based on the Moving-Horizon State Estimation Method (MHSE). This approach is based on the minimization of a criterion (a non-linear function), in this case, the difference between the estimated output and the measured output of the system over a considered time horizon, where the solution is computed by using a numerical interval method. The observer was successfully applied to hydrogen production by R. capsulatus strain B10 in a batch process. |
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Keywords: | Hydrogen production Photobioreactor Rhodobacter capsulatus Moving-horizon estimation state MSHE |
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