Multiple decomposition‐aided long short‐term memory network for enhanced short‐term wind power forecasting

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Balci, M., Dokur, E., Yuzgec, U. and Erdogan, N. ORCID: 0000-0003-1621-2748, 2023. Multiple decomposition‐aided long short‐term memory network for enhanced short‐term wind power forecasting. IET Renewable Power Generation. ISSN 1752-1424

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Official URL: https://doi.org/10.1049/rpg2.12919

Abstract

With the increasing penetration of grid-scale wind energy systems, accurate wind power forecasting is critical to optimizing their integration into the power system, ensuring operational reliability, and enabling efficient system asset utilization. Addressing this challenge, this study proposes a novel forecasting model that combines the long-short-term memory (LSTM) neural network with two signal decomposition techniques. The EMD technique effectively extracts stable, stationary, and regular patterns from the original wind power signal, while the VMD technique tackles the most challenging high-frequency component. A deep learning-based forecasting model, i.e. the LSTM neural network, is used to take advantage of its ability to learn from longer sequences of data and its robustness to noise and outliers. The developed model is evaluated against LSTM models employing various decomposition methods using real wind power data from three distinct offshore wind farms. It is shown that the two-stage decomposition significantly enhances forecasting accuracy, with the proposed model achieving R2 values up to 9.5% higher than those obtained using standard LSTM models.

Item Type:

Journal article

Publication Title:

IET Renewable Power Generation

Creators:

Balci, M., Dokur, E., Yuzgec, U. and Erdogan, N.

Publisher:

Institution of Engineering and Technology (IET)

Date:

27 December 2023

ISSN:

1752-1424