Effluent TP interval prediction method in wastewater treatment
A forecasting method and technology for sewage treatment, applied in forecasting, data processing applications, neural learning methods, etc., can solve the problems of difficult to obtain statistical characteristics, and confidence intervals are not necessarily reliable.
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[0097] 1. Data acquisition preprocessing stage:
[0098] In this data collection, auxiliary variables such as influent TP, temperature T, and hydrogen ion concentration index pH were measured online. However, because not all the data from the sewage treatment site are helpful for the prediction of effluent TP, it is necessary to carry out the collected auxiliary variables. filter. This time, the partial least squares (PLS) method was used to reduce the dimensionality of the input data, and in R select Under the premise of ≥0.85, the auxiliary variables are finally reduced to 5 dimensions, and the influent TP, temperature T, dissolved oxygen DO, total suspended particles TSS and hydrogen ion concentration index pH are used as inputs to predict the effluent TP.
[0099] 2. Soft sensor modeling stage
[0100] In the soft sensor modeling stage, the method of combining RBF neural network and member identification is mainly used to process the dimensionally reduced data. The proce...
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