A Hybrid Residual Dilated LSTM end Exponential Smoothing Model for
Mid-Term Electric Load Forecasting
- URL: http://arxiv.org/abs/2004.00508v1
- Date: Sun, 29 Mar 2020 10:53:50 GMT
- Title: A Hybrid Residual Dilated LSTM end Exponential Smoothing Model for
Mid-Term Electric Load Forecasting
- Authors: Grzegorz Dudek, Pawe{\l} Pe{\l}ka, Slawek Smyl
- Abstract summary: The model combines exponential smoothing (ETS), advanced Long Short-Term Memory (LSTM) and ensembling.
A simulation study performed on the monthly electricity demand time series for 35 European countries confirmed the high performance of the proposed model.
- Score: 1.1602089225841632
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: This work presents a hybrid and hierarchical deep learning model for mid-term
load forecasting. The model combines exponential smoothing (ETS), advanced Long
Short-Term Memory (LSTM) and ensembling. ETS extracts dynamically the main
components of each individual time series and enables the model to learn their
representation. Multi-layer LSTM is equipped with dilated recurrent skip
connections and a spatial shortcut path from lower layers to allow the model to
better capture long-term seasonal relationships and ensure more efficient
training. A common learning procedure for LSTM and ETS, with a penalized
pinball loss, leads to simultaneous optimization of data representation and
forecasting performance. In addition, ensembling at three levels ensures a
powerful regularization. A simulation study performed on the monthly
electricity demand time series for 35 European countries confirmed the high
performance of the proposed model and its competitiveness with classical models
such as ARIMA and ETS as well as state-of-the-art models based on machine
learning.
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