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Deep Learning Method Based on Gated Recurrent Unit and Variational Mode Decomposition for Short-Term Wind Power
IEEE Transactions on Neural Networks and Learning Systems
|November 15, 2019
Summary
This study introduces a new hybrid model using gated recurrent unit (GRU) networks and variational mode decomposition (VMD) for accurate wind power interval prediction (WPIP). The novel approach enhances prediction interval quality and reduces training time.
Area of Science:
- Renewable Energy Systems
- Artificial Intelligence in Energy
- Time Series Forecasting
Background:
- Wind power interval prediction (WPIP) is crucial for managing power system uncertainty.
- The intermittent nature of wind power presents challenges for high-quality prediction interval (PI) production.
Purpose of the Study:
- To propose a novel hybrid model for WPIP.
- To improve the quality of prediction intervals for wind power.
- To reduce the computational time for WPIP.
Main Methods:
- A hybrid model combining variational mode decomposition (VMD) and gated recurrent unit (GRU) neural networks was developed.
- VMD decomposes wind power data into simpler modes, with GRU models trained for each mode.
- An adaptive optimization method using constructed intervals (CIs) was employed for training label generation.
Main Results:
- The proposed hybrid model demonstrated superior performance compared to traditional interval prediction models.
- Higher quality prediction intervals were achieved.
- The method required less training time.
Conclusions:
- The novel hybrid VMD-GRU model offers an effective solution for WPIP.
- This approach enhances prediction accuracy and efficiency in wind power forecasting.
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