Hierarchical fuzzy control of an activated sludge wastewater treatment plant. - Edgar N. Sánchez; Jean F. Béteau; Gilberto Vera; Catherine Cadet (ACC, 2003)

Fuzzy supervisory control and substrate addition to improve effluent quality in an activated sludge wastewater treatment plant. - Edgar N. Sánchez; Jean F. Béteau; Gilberto Vera; Catherine Cadet (ECC, 2003)