{"refrec":{"BRefID":323264,"RR":"<b>Feudjio Letchindjio, C.G.; Dewasme, L.; Vande Wouwer, A.</b> (2019). Extremum-seeking for micro-algae biomass productivity maximization: an experimental validation. <i>IFAC-PapersOnLine 52(26)</i>: 281-286. <a href=\"https://dx.doi.org/10.1016/j.ifacol.2019.12.271\" target=\"_blank\">https://dx.doi.org/10.1016/j.ifacol.2019.12.271</a>","BEntID":316736,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>IFAC-PapersOnLine 52(26)</i>: 281-286. <a href=\"https://dx.doi.org/10.1016/j.ifacol.2019.12.271\" target=\"_blank\">https://dx.doi.org/10.1016/j.ifacol.2019.12.271</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Feudjio Letchindjio, C.G.; Dewasme, L.; Vande Wouwer, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Feudjio Letchindjio, C.G.; Dewasme, L.; Vande Wouwer, A.","Englishabstract":"This paper presents experimental results of a lab-scale implementation of an extremum seeking control strategy for maximizing the biomass productivity of cultures of the micro-algae <em>Dunaliella tertiolecta</em> in a flat-panel photobioreactor operated in continuous mode. The real-time optimization is based on a recursive least squares adaptation where the input (Dilution rate)/output (Biomass concentration) relation is approximated by a linear Hammerstein regression from which a productivity gradient estimate can be inferred. Lab-scale instrumentation and operating conditions are described and the results of two experiments are presented. 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