?. Aström, K. J. Hägglund, and T. , Advanced PID Control, 2006.

?. Aström, K. J. Murray, and R. M. , Feedback Systems: An Introduction for Scientists and Engineers, 2008.

O. Bara, M. Fliess, C. Join, J. Day, and S. M. Djouadi, Model-free immune therapy: A control approach to acute inflammation, 2016 European Control Conference (ECC), 2016.
DOI : 10.1109/ECC.2016.7810602

URL : https://hal.archives-ouvertes.fr/hal-01341060

G. Bastin and D. Dochain, On-line estimation and adaptive control of bioreactors, Analytica Chimica Acta, vol.243, 1990.
DOI : 10.1016/S0003-2670(00)82585-4

J. Bernier, V. Rocher, and P. Lessard, Modelling headloss and two-step denitrification in a full-scale wastewater post-denitrifying biofiltration plant, Journal of Environmental Engineering and Science, vol.9, issue.3, pp.171-180, 2014.
DOI : 10.1680/jees.13.00012

A. G. Capodaglio, P. Hlavínek, and M. Raboni, Advances in wastewater nitrogen removal by biological processes: state of the art review, Ambiente e Agua - An Interdisciplinary Journal of Applied Science, vol.11, issue.2, pp.250-267, 2016.
DOI : 10.4136/ambi-agua.1772

V. Cristea, C. Pop, and P. S. Agachi, Model Predictive Control of the waste water treatment plant based on the Benchmark Simulation Model No.1-BSM1, pp.1-1, 2008.
DOI : 10.1016/S1570-7946(08)80078-8

D. Dochain and P. A. Vanrolleghem, Dynamic Modelling and Estimation in Wastewater Treatment Processes, 2001.
DOI : 10.2166/9781780403045

A. Erdélyi, Operational Calculus and Generalized Functions, 1962.

M. Fliess, Automatique et corps diff??rentiels, Forum Mathematicum, vol.1, issue.1, pp.227-238, 1989.
DOI : 10.1515/form.1989.1.227

M. Fliess and C. Join, Model-free control, International Journal of Control, vol.7, issue.4, pp.2228-2252, 2013.
DOI : 10.1016/j.conengprac.2009.03.005

URL : https://hal.archives-ouvertes.fr/hal-00828135

M. Fliess and H. Sira-ramírez, An algebraic framework for linear identification, ESAIM: Control, Optimisation and Calculus of Variations, vol.97, pp.151-168, 2003.
DOI : 10.1090/S0002-9947-1960-0122815-9

URL : http://www.esaim-cocv.org/articles/cocv/pdf/2003/01/cocv269.pdf

M. Fliess and H. Sira-ramírez, Closed-loop parametric identification for continuous-time linear systems via new algebraic techniques Identification of Continuous-time Models from Sampled Data, pp.362-391, 2008.

C. Fux, C. Kienle, A. Joss, A. Wittmer, and R. Frei, Ausbau der ARA Basel mit 4. Reinigungsstufe . Pilotstudie: Elimination Mikroverunreinigungen undökotoxikologischeund¨undökotoxikologische Wirkungen, Aqua & Gas: Fachzeitschrift Gas Wasser Abwasser, pp.10-17, 2015.

R. Godement, Analyse mathématique II Analysis II, 1998.

M. Henze, G. C. Jr, W. Gujer, G. V. Marais, and T. Matsuo, A general model for single-sludge wastewater treatment systems, Water Research, vol.21, issue.5, pp.505-515, 1987.
DOI : 10.1016/0043-1354(87)90058-3

M. Henze, M. C. Van-loosdrecht, G. A. Ekama, G. A. Brdjanovic, and D. , Biological Wastewater Treatment: Principles, Modelling and Design, Water Intelligence Online, vol.7, issue.0, 2008.
DOI : 10.2166/9781780401867

W. C. Hiatt and C. P. Grady, An Updated Process Model for Carbon Oxidation, Nitrification, and Denitrification, Water Environment Research, vol.80, issue.11, pp.2145-2156, 2008.
DOI : 10.2175/106143008X304776

R. M. Horner, J. R. Mackie, and R. I. , Deep bed filtration: A new look at the basic equations, Water Research, vol.20, issue.2, pp.215-220, 1986.
DOI : 10.1016/0043-1354(86)90011-4

K. J. Ives, Rapid filtration, Water Research, vol.4, issue.3, pp.201-223, 1970.
DOI : 10.1016/0043-1354(70)90068-0

C. Join, F. Chaxel, and M. Fliess, Intelligent " controllers on cheap and small programmable devices, 2nd Int. Conf. Contr. Fault-Tolerant Syst. (SysTol'13), 2013.
DOI : 10.1109/systol.2013.6693811

URL : https://hal.archives-ouvertes.fr/hal-00845795

C. Join, G. Robert, and M. Fliess, Vers une commande sans modèle pour aménagements hydroélectriques en cascade, 6 e Conf, Internat. Francoph. Automat, 2010.

F. Lafont, J. Balmat, N. Pessel, and M. Fliess, A model-free control strategy for an experimental greenhouse with an application to fault accommodation, Computers and Electronics in Agriculture, vol.110, pp.139-149, 2015.
DOI : 10.1016/j.compag.2014.11.008

URL : https://hal.archives-ouvertes.fr/hal-01081757

S. Marsili-libelli and L. Giunti, Fuzzy predictive control for nitrogen removal in biological wastewater treatment, Water Sci. Techno, vol.45, pp.37-44, 2002.

G. Olsson and B. Newell, Wastewater Treatment Systems: Modelling, Diagnosis and Control, Water Intelligence Online, vol.4, issue.0, 1999.
DOI : 10.2166/9781780402864

M. Raimonet, L. Vilmin, N. Flipo, V. Rocher, and A. M. Laverman, Modelling the fate of nitrite in an urbanized river using experimentally obtained nitrifier growth parameters, Water Research, vol.73, pp.373-387, 2015.
DOI : 10.1016/j.watres.2015.01.026

URL : https://hal.archives-ouvertes.fr/hal-01136020

V. Rocher, C. Join, S. Mottelet, J. Bernier, S. Guérin et al., La production de nitrites lors de la dénitrification des eaux usées par biofiltration, 2017.
DOI : 10.1051/tsm/201103020

V. Rocher, A. M. Laverman, J. Gasperi, S. Azimi, S. Guérin et al., Nitrite accumulation during denitrification depends on the carbon quality and quantity in wastewater treatment with biofilters, Environmental Science and Pollution Research, vol.104, issue.13, pp.10179-10188, 2015.
DOI : 10.1016/j.biortech.2011.10.026

URL : https://hal.archives-ouvertes.fr/hal-01128723

G. Samie, J. Bernier, V. Rocher, and P. Lessard, Modeling nitrogen removal for a denitrification biofilter, Bioprocess and Biosystems Engineering, vol.106, issue.3, pp.747-755, 2011.
DOI : 10.1016/0304-3800(93)90106-3

H. Sira-ramírez, C. García-rodríguez, J. Cortès-romero, and A. Luviano-juárez, Algebraic Identification and Estimation Methods in Feedback Control Systems, 2013.
DOI : 10.1002/9781118730591

D. Spengel and D. Dzombak, Biokinetic modeling and scale-up considerations for rotating biological contactors, Water Environment Research, vol.64, issue.3, pp.223-235, 1992.
DOI : 10.2175/WER.64.3.6

S. Tebbani, M. Titica, C. Join, M. Fliess, and D. Dumur, Model-based versus model-free control designs for improving microalgae growth in a closed photobioreactor: Some preliminary comparisons, 2016 24th Mediterranean Conference on Control and Automation (MED), 2016.
DOI : 10.1109/MED.2016.7535870

URL : https://hal.archives-ouvertes.fr/hal-01312251

T. Zúñiga, I. Queinnec, I. , V. Wouwer, and A. , Observer-based output feedback linearizing control strategy for a nitrification???denitrification biofilter, Chemical Engineering Journal, vol.191, pp.243-255, 2012.
DOI : 10.1016/j.cej.2012.03.011

N. A. Wahaba, R. Katebia, and J. Balderud, Multivariable PID control design for activated sludge process with nitrification and denitrification, Biochemical Engineering Journal, vol.45, issue.3, pp.239-248, 2009.
DOI : 10.1016/j.bej.2009.04.016