Design and test of a low-cost RGB sensor for online measurement of microalgae concentration within a photo-bioreactor

Sensors
Micaela BenavidesAlain Vande Wouwer

Abstract

In this study, a low-cost RGB sensor is developed to measure online the microalgae concentration within a photo-bioreactor. Two commercially available devices, i.e., a spectrophotometer for offline measurements and an immersed probe for online measurements, are used for calibration and comparison purposes. Furthermore, the potential of such a sensor for estimating other variables is illustrated with the design of an extended Luenberger observer.

References

May 1, 1977·Applied and Environmental Microbiology·J E HobbieS Jasper
Apr 1, 1968·Journal of Bacteriology·M K JohnsonB S Bruff
Mar 14, 2007·Biotechnology Advances·Yusuf Chisti
May 15, 2008·The Plant Journal : for Cell and Molecular Biology·Qiang HuAl Darzins
Jul 27, 2010·Bioresource Technology·Francis MairetAntoine Sciandra

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Citations

Jun 3, 2015·Bioprocess and Biosystems Engineering·Micaela BenavidesAlain Vande Wouwer
Jun 25, 2020·Sensors·Daniel Carreres-PrietoJuan Suardiaz-Muro
Oct 7, 2020·Sensors·Daniel Carreres-PrietoJuan Suardiaz-Muro
Aug 29, 2021·Biotechnology Advances·Kexin WangPau Loke Show

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Software Mentioned

SeDuMi
LabVIEW
Arduino
MATLAB
YALMIP
Optek

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