A short-term wind power prediction model based on CEEMD and WOA-KELM

DING, Yunfei, CHEN, Zijun, ZHANG, Hongwei, WANG, Xin and GUO, Ying (2022). A short-term wind power prediction model based on CEEMD and WOA-KELM. Renewable Energy, 189, 188-198.

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Official URL: https://www.sciencedirect.com/science/article/pii/...
Link to published version:: https://doi.org/10.1016/j.renene.2022.02.108
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    Abstract

    Effective short-term wind power prediction is crucial to the optimal dispatching, system stability, and operation cost control of a power system. In order to deal with the intermittent and fluctuating characteristics of the wind power time series signals, a hybrid forecasting model is proposed, based on Complementary Ensemble Empirical Mode Decomposition (CEEMD) and Whale Optimization Algorithm (WOA)-Kernel Extreme Learning Machine (KELM), to predict short-term wind power. Firstly, the non-stationary wind power time series was decomposed into a series of relatively stationary components by CEEMD. Then, the components were used as the training set for the KELM prediction model, in which the initial values and thresholds were optimized by WOA. Finally, the predicted output values of each component were superimposed, to obtain the final prediction of the wind power values. The experimental results show that the proposed prediction method can reduce the complexity of the prediction with a small reconstruction error. Furthermore, performance is greater, in terms of prediction accuracy and stability, with lower computational costs than other benchmark models.

    Item Type: Article
    Uncontrolled Keywords: Energy; 0906 Electrical and Electronic Engineering; 0913 Mechanical Engineering; 0915 Interdisciplinary Engineering
    Identification Number: https://doi.org/10.1016/j.renene.2022.02.108
    Page Range: 188-198
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 08 Mar 2022 14:08
    Last Modified: 14 Mar 2022 15:18
    URI: http://shura.shu.ac.uk/id/eprint/29847

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