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Optimization scheme of wind energy prediction based on artificial intelligence

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Abstract

Wind energy, as one of the renewable energies with the most potential for development, has been widely concerned by many countries. However, due to the great volatility and uncertainty of natural wind, wind power also fluctuates, seriously affecting the reliability of wind power system and bringing challenges to large-scale grid connection of wind power. Wind speed prediction is very important to ensure the safety and stability of wind power generation system. In this paper, a new wind speed prediction scheme is proposed. First, improved hybrid mode decomposition is used to decompose the wind speed data into the trend part and the fluctuation part, and the noise is decomposed twice. Then wavelet analysis is used to decompose the trend part and the fluctuation part for the third time. The decomposed data are classified. The long- and short-term memory neural network optimized by the improved particle swarm optimization algorithm is used to train the nonlinear sequence and noise sequence, and the autoregressive moving average model is used to train the linear sequence. Finally, the final prediction results were reconstructed. This paper uses this system to predict the wind speed data of China’s Changma wind farm and Spain’s Sotavento wind farm. By experimenting with the real data from two different wind farms and comparing with other predictive models, we found that (1) by improving the mode number selection in the variational mode decomposition, the characteristics of wind speed data can be better extracted. (2) According to the different characteristics of component data, the combination method is selected to predict modal components, which makes full use of the advantages of different algorithms and has good prediction effect. (3) The optimization algorithm is used to optimize the neural network, which solves the problem of parameter setting when establishing the prediction model. (4) The combination forecasting model proposed in this paper has clear structure and accurate prediction results. The research work in this paper will help to promote the development of wind energy prediction field, help wind farms formulate wind power regulation strategies, and further promote the construction of green energy structure.

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Abbreviations

ANN:

Artificial neural network

ARMA:

Autoregressive moving average

ARIMA:

Autoregressive integrated moving average

BP:

Back propagation

CEEMDAN:

Fully integrated empirical mode decomposition

EMD:

Empirical mode decomposition

EEMD:

Set empirical mode decomposition

FCBF:

Fast correlation filter algorithm

HMD:

Hybrid mode decomposition

LIDAR:

Light detection and ranging

LSTM:

Long- and short-term memory neural network

IMF:

Intrinsic mode functions

IPSO:

Improved particle swarm optimization

MAE:

Mean absolute error

MIV:

Mean impact value

MSE:

Mean square error

MAPE:

Mean absolute percentage error

NCL-RELM:

Negative correlation learning-based regularized extreme learning machine ensemble model

NWP:

Numerical weather prediction

OVMD:

Optimal variational mode decomposition

PSO:

Particle swarm optimization

RBF:

Radial basis function

RMSE:

Root mean square error

RNN:

Cyclic neural network

SODAR:

Sound detection and ranging

SVM:

Support vector machine

VMD:

Variational mode decomposition

WT:

Wavelet transform

WD:

Wavelet decomposition

WPD:

Wavelet packet decomposition

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Acknowledgements

The authors thank Dr. Marcus Schulz and the anonymous referees for the thoughtful and constructive suggestions that led to a considerable improvement of the paper.

Availability of data and materials

The datasets used or analyzed during the current study are available from the corresponding author on reasonable request.

Funding

This research was supported partly by the National Natural Science Foundation of China (51637005) and the S&T Program of Hebei (G2020502001).

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Authors and Affiliations

Authors

Contributions

Yagang Zhang: Conceptualization, methodology, software, and writing original draft. Ruixuan Li: Methodology and performed the experiments. Jinghui Zhang: Writing review and editing

Corresponding author

Correspondence to Yagang Zhang.

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Competing interests

The authors declare no competing interests.

Additional information

Responsible editor: Marcus Schulz

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Zhang, Y., Li, R. & Zhang, J. Optimization scheme of wind energy prediction based on artificial intelligence. Environ Sci Pollut Res 28, 39966–39981 (2021). https://doi.org/10.1007/s11356-021-13516-2

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  • DOI: https://doi.org/10.1007/s11356-021-13516-2

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