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A non-linear software sensor to monitor the internal nitrogen quota of phytoplanktonic cells
Provedor de dados: 5
Autores: Bernard, O; Sciandra, A; Sallet, G.
New techniques - called software sensors - issued from the non-linear automatic control field and initially developed for non-linear chemical systems have been applied to a continuous culture of phytoplankton. A software sensor (or 'observer') combines an analytical differential equation based model and partial measurements of the system in order to estimate the non-measured state variables. It filters data and estimates the actual state of living systems, models of which are often rough approximations. The efficiency of this approach is illustrated with a nitrate-limited chemostat experiment with the chlorophyceae Dunaliella tertiolecta performed in a computer controlled fluctuating environment. (C) 2001 Ifremer/CNRS/IRD/Editions scientifiques et...
Tipo: Text
Palavras-chave: Modèle de Droop; Systèmes non linéaires; Observateurs; Phytoplancton; Droop model; Non-linear systems; Observers; Phytoplankton.
Ano: 2001
URL: http://archimer.ifremer.fr/doc/00322/43340/42888.pdf