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Long, short, and medium terms wind speed prediction model based on LSTM optimized by improved moth flame optimization algorithm

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Abstract

Time series prediction of wind speed has been widely used in wind power generation. The volatility and instability of wind speed have a large negative impact on wind turbines and power systems, which can lead to grid collapse in severe cases. Therefore, accurate wind speed prediction is crucial for wind power generation. In this paper, considering the influence of different parameters on algorithm training and prediction, an improved moth flame optimization algorithm is constructed to optimize the LSTM wind energy prediction system to obtain better performance. The system consists of three modules: data preprocessing, optimization, and prediction. The data preprocessing module uses fuzzy information granulation to blur the input data. On this basis, the combination of swarm intelligent optimization algorithm and prediction model can effectively predict wind speed time series. Taking the California wind farm as an example, the MAPE of the experiment in the short-term forecast is 3.15%, the MAPE of the medium-term forecast is 4.38%, and the MAPE of the long-term forecast is 18.28%. The experimental results show that the proposed model has obvious advantages over the previous model.

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The data sets generated and analyzed during the current study are available from the corresponding author upon reasonable request.

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Funding

This work was supported by the General Scientific Research Funding of the Science and Technology Development Fund (FDCT) in Macao under grant 0150/2022/A and the Faculty Research Grants of Macau University of Science and Technology (FRG-22–074-FIE).

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Conceptualization: Jianzhou Wang. Methodology: Jingrui Li. Formal analysis and investigation: Runze Li. Writing—original draft preparation: Runze Li. Writing—review and editing: Jianzhou Wang. Funding acquisition: Jianzhou Wang. Resources: Menggang Kou. Supervision: Jianzhou Wang

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Correspondence to Jianzhou Wang.

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The authors declare no competing interests.

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Li, R., Wang, J., Li, J. et al. Long, short, and medium terms wind speed prediction model based on LSTM optimized by improved moth flame optimization algorithm. Environ Sci Pollut Res 31, 37256–37282 (2024). https://doi.org/10.1007/s11356-024-33580-8

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  • DOI: https://doi.org/10.1007/s11356-024-33580-8

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