Experimental estimation of unmeasured inputs in anaerobic wastewater treatment processes
Résumé
This paper presents a virtually controlled observer (VCO) used to estimate both, unmeasured states and unknown influent substrate concentrations in an anaerobic digestion process. This VCO is experimentally implemented in a pilot-scale AD process used for the treatment of wine distillery vinasses. This implementation was carried out under the complete ignorance of the process kinetics. Results indicate that the VCO is able to reconstruct the influent substrate concentration under moderate changes on the operating conditions, while showing also robustness and accuracy against model uncertainties and even sensor faults.
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