Power load prediction based on multi-headed attentional convolutional network
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    Abstract:

    Predicting residential energy consumption is tantamount to forecasting a multivariate time series.A specific window for several sensor signals can extract various features to forecast the energy consumption by using a prediction model.However,it is still a challenging task because of irregular patterns inside including hidden correlations between power attributes.In order to extract the complicated irregular energy patterns and selectively learn the spatiotemporal features to reduce the translational variance between energy attributes,we propose a deep learning model based on the multi-headed attention with the convolutional recurrent neural network.Compared with the simple time series model,the proposed model uses convolution and weighting mechanism to model the local correlation between power attributes and active power.It exploits the attention scores calculated with softmax and dot product operation in the network to model the transient and impulsive nature of energy demand,predicting the instantaneous pulse power consumption effectively.Experiments with the dataset of University of California,Irvine (UCI) household electric power consumption consisting of a total 2,075,259 time-series show that the proposed model greatly improves the prediction accuracy compared to the state-of-the-art deep learning models.

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ZHENG Zheng, TAN Lei, ZHOU Nan, HAN Junwei, GAO Jing, WENG Liguo. Power load prediction based on multi-headed attentional convolutional network[J]. Journal of Nanjing University of Information Science & Technology,2022,14(5):535-542

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  • Received:November 29,2021
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  • Online: September 29,2022
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