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A new method for the reconstruction of unknown non-monotonic growth functions in the chemostat
Jan Sieber1, Alain Rapaport2, 3, Mathieu Desroches4, Serafim Rodrigues5

We propose an adaptive control law that allows one to identify unstable steady states of the open-loop system in the single-species chemostat model without the knowledge of the growth function. We then show how to use a continuation method to reconstruct the whole graph of the growth function. Two variants, in continuous and discrete time, are presented. The case of two species in competition is also examined.
1 :  CEMPS - College of Engineering, Mathematics and Physical Sciences
2 :  INRIA Sophia Antipolis - MODEMIC
3 :  MISTEA - Mathématiques, Informatique et STatistique pour l'Environnement et l'Agronomie
4 :  INRIA Rocquencourt - SISYPHE (SIgnals and SYstems in PHysiology and Engineering)
5 :  CRNS - Centre for Robotics and Neural Systems
chemostat – adaptive control – identification