TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Intelligent Automatic pH Control System Based on Microcontrollers
(Sistem inteligent automat pentru reglarea pH-ului bazat pe microcontrolere)
Vol LXV • No. 4/2013
Mădălina Cărbureanu, Vasile Buruiană
Universitatea Petrol-Gaze din Ploiești, Bd. București 39, Ploiești
e-mail: mcarbureanu@upg-ploiesti.ro, vasile.buruiana@rompetrol.com

 Keywords   pH, fuzzy inference, ANFIS, microcontroller

 Abstract
In this paper it is presented the development of an intelligent pH-monitoring and control system for residual water, which has its functionality based on the artificial neuro-fuzzy systems theory. Using one of the latest state of the art microcontroller technologies, our system is capable to maintain a neutral pH level by releasing acid or alkaline compounds. Our fuzzy inference system developed in MATLAB is implemented at hardware level. The results are also discussed along this paper.

 Rezumat
În cadrul acestei lucrări este prezentată dezvoltarea unui sistem inteligent pentru monitorizarea și reglarea pH-ului apei uzate, sistem a cărui funcționalitate are la bază teoria sistemelor artificiale neuro-fuzzy. Utilizând una dintre cele mai recente tehnologii asociate microcontrolerelor, sistemul dezvoltat este capabil să mențină un pH neutru prin adăugarea de agent bazic sau acid. Sistemul cu inferență fuzzy dezvoltat în MATLAB este implementat la nivel hardware. Rezultatele sunt de asemenea discutate în cadrul acestei lucrări.



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