A fuzzy logic based diagnosis system for the on-line supervision of an anaerobic digestor pilot-plant

Abstract This paper deals with the development of a fuzzy logic based diagnosis system and its application as a fault detection and isolation (FDI) procedure in a wastewater treatment plant. Different fault detection methods are tested and their advantages and limitations are highlighted. An aggregate FDI strategy is implemented and tested. Results using the fuzzy residual generation module are presented and discussed based on experimental data from a 1 m3 pilot-scale anaerobic digestion reactor for the treatment of raw industrial wine distillery vinasses.

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