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Smart city article details
| Title | Daily Water Demand Prediction Driven By Multi-Source Data |
|---|---|
| ID_Doc | 17106 |
| Authors | Deng L.; Chang X.; Wang P. |
| Year | 2022 |
| Published | Procedia Computer Science, 208 |
| DOI | http://dx.doi.org/10.1016/j.procs.2022.10.020 |
| Abstract | The best scheduling of water distribution systems may be supported by accurate and trustworthy water demand forecasts, which is a positive assurance for the development of smart cities and smart water services.This paper studies a new multivariate time-series prediction model that is based on the Convolution Neural Network (CNN) and Gate Recurrent Unit(GRU), taking into account the limitations of the prediction of multivariate time series using a single model.According to the regularity of water use during the time period, the characteristics of water users are clustered and classified to form two types of users: tidal type and irregular type.The factors that affect the daily water consumption such as user type, week, water consumption of the day of the previous three weeks, major events, etc.are used as input vectors, and the 2018-2021 resident daily water consumption time series data of a domestic water company is used as the training sample, respectively establish CNN-GRU models.CNN-GRU approach is checked using the root mean square error(RMSE), mean absolute error(MAE), and mean percentage absolute error(MAPE).The results are compared with Long-Short Term Memory (LSTM), CNN and GRU.Results show that CNN-GRU improves water demand prediction.The CNN-GRU model's RMSE dropped by around 0.648, 0.82, 0.82 when compared to the LSTM, CNN, and GRU models.the MAE decreased by about 0.418, 0.47, 0.462;and the MAPE decreased by about 0.722, 0.649, 0.712. © 2022 The Authors. Published by Elsevier B.V. |
| Author Keywords | CNN; GRU; machine learning; prediction; Water consumption |
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