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A novel ensemble method for residential electricity demand forecasting based on a novel sample simulation strategy

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  • Zhang, Guoqiang
  • Guo, Jifeng

Abstract

This paper presents a novel ensemble method of forecasting the residential electricity demand. Firstly, the time-series of the original input variables is filtered by unscented kalman filter (UKF), and then the incremental percentages of current and previous sample points are taken as new input features of the proposed method. Secondly, an improved coupled generative adversarial stacked auto-encoder (ICoGASA) consisting of three generative adversarial networks (GAN) is developed to generate more similar errors in weather forecast and lifestyles of different residents, with less noise. All of the three GANs are composed of two deep belief networks (DBNs), which serve as generator and discriminator, respectively. The three generators of GANs are used to simulate the samples with positive error, negative error and mixed error, respectively. Then the output of the three discriminators is integrated by memristor array (MA), and the integrated output of each ICoGASA are integrated by self-organizing map (SOM). Thirdly, the input weights of SOM are optimized by MA and a new weight updated strategy (WUS). Compared with other state-of-the-art ensemble methods, the scopes of the root mean square error (RMSE) are reduced by [8.295, 16.221] %, [15.507, 28.066] %, [20.494, 36.969] %, respectively.

Suggested Citation

  • Zhang, Guoqiang & Guo, Jifeng, 2020. "A novel ensemble method for residential electricity demand forecasting based on a novel sample simulation strategy," Energy, Elsevier, vol. 207(C).
    • Handle: RePEc:eee:energy:v:207:y:2020:i:c:s0360544220313724
    DOI: 10.1016/j.energy.2020.118265
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    References listed on IDEAS

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    1. Xing, Yazhou & Zhang, Su & Wen, Peng & Shao, Limin & Rouyendegh, Babak Daneshvar, 2020. "Load prediction in short-term implementing the multivariate quantile regression," Energy, Elsevier, vol. 196(C).
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    Cited by:

    1. Zhang, Yunfei & Zhou, Zhihua & Liu, Junwei & Yuan, Jianjuan, 2022. "Data augmentation for improving heating load prediction of heating substation based on TimeGAN," Energy, Elsevier, vol. 260(C).
    2. Imani, Maryam, 2021. "Electrical load-temperature CNN for residential load forecasting," Energy, Elsevier, vol. 227(C).
    3. Zheyu He & Rongheng Lin & Budan Wu & Xin Zhao & Hua Zou, 2023. "Pre-Attention Mechanism and Convolutional Neural Network Based Multivariate Load Prediction for Demand Response," Energies, MDPI, vol. 16(8), pages 1-13, April.

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