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http://dx.doi.org/10.5302/J.ICROS.2009.15.5.555

Artificial Neural Network Modeling and Prediction Based on Hydraulic Characteristics in a Full-scale Wastewater Treatment Plant  

Kim, Min-Han (경희대학교 환경응용과학과)
Yoo, Chang-Kyoo (경희대학교 환경응용과학과)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.15, no.5, 2009 , pp. 555-561 More about this Journal
Abstract
The established mathematical modeling methods have limitation to know the hydraulic characteristics at the wastewater treatment plant which are complex and nonlinear systems. So, an artificial neural network (ANN) model based on hydraulic characteristics is applied for modeling wastewater quality of a full-scale wastewater treatment plant using DNR (Daewoo nutrient removal) process. ANN was trained using data which are influents (TSS, BOD, COD, TN, TP) and effluents (COD, TN, TP) components in a year, and predicted the effluent results based on the training. To raise the efficiency of prediction, inputs of ANN are added the influent and effluent information that are in yesterday and the day before yesterday. The results of training data tend to have high accuracy between real value and predicted value, but test data tend to have lower accuracy. However, the more hydraulic characteristics are considered, the results become more accuracy.
Keywords
ANN (Artificial Neural Network); DNR process; hydraulic characteristics; nonlinear modeling;
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Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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