Comparison of deep learning approaches for forecasting urban short-term water demand a Greater Sydney Region case study

Publisher:
Elsevier
Publication Type:
Journal Article
Citation:
Knowledge-Based Systems, 2023, 275, pp. 110660
Issue Date:
2023-09-05
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Accurate water demand forecasting is essential for water utilities for effective water planning and pump scheduling. To conduct effective water planning and pump scheduling, Sydney Water needs a reliable method for predicting water demand. Short-term water demand forecasting deep learning- based models have been applied to different datasets collected from various water plants in the Greater Sydney region. This paper uses correlation analysis, the attention mechanism and a deep convolutional neural network to identify and study the importance of n number of factors that inform water prediction in the Greater Sydney region. The aim of this study is to develop, evaluate and compare multi- variate input deep learning-based models to predict water demand in various locations in the Greater Sydney region. This paper investigates five models — the recurrent neural network (RNN), long short- term memory networks (LSTM), bidirectional long short-term memory networks (BiLSTM), gated recurrent unit (GRU), and the deep convolutional neural network (CNN). The results of this study demonstrate that all the proposed models achieved a superior forecasting performance with accuracy hits of 97% using water consumption and climate factors as input data.
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