Title
Interval Prediction of Effluent TP for Wastewater Treatment Plants
Abstract
In view of the difficulty of real-time measurement of the effluent total phosphorus (TP) for a wastewater treatment plant (WWTP), in this paper, a new TP soft sensor which is different from the traditional single value method is presented. It realizes the guaranteed estimation of the TP concentration by predicting the upper and lower bounds. Partial least squares is used to obtain the secondary variables of the effluent TP. Then, an input-output model with secondary variables as the inputs and the effluent TP as the output is built by the radial basis function neural network (RBFNN). Considering the bounded modeling error, the linear-in-parameter set membership identification algorithm is used to obtain a description of the uncertain set of the output weights of the RBFNN. During the operation of the WWTP, the established soft sensor can predict the upper and lower bounds of the effluent TP concentration. Besides, a bundle of soft sensors is constructed and the intersection of the results given by the soft sensors is used to reduce the conservativeness caused by using a single sensor. The experimental results show the effectiveness of the proposed method.
Year
DOI
Venue
2019
10.1109/CCTA.2019.8920639
2019 IEEE Conference on Control Technology and Applications (CCTA)
Keywords
DocType
ISBN
radial basis function neural network,linear-in-parameter set membership identification algorithm,effluent TP concentration,interval prediction,wastewater treatment plant,effluent total phosphorus,TP soft sensor,single value method,input-output model,WWTP,RBFNN,partial least squares,P
Conference
978-1-7281-2768-2
Citations 
PageRank 
References 
0
0.34
8
Authors
4
Name
Order
Citations
PageRank
Wei Chai100.34
Longhang Guo200.34
Xuemeng Li300.34
Jian Tang4526148.30