National Taiwan University of Science and Technology
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摘要
With the expansion of clean energy and momentum toward the United Nations' 2030 Sustainable Development Goals, wind power has emerged as a key element in the transition to renewable energy. However, wind energy’s unpredictable nature, driven by volatile weather conditions, makes accurate forecasting difficult. Methods like Long Short-Term Memory (LSTM) models have proven effective for temporal dependency tasks, while newer variants, such as Nested LSTM (NLSTM), offer enhanced capabilities for modeling complex time relationships. Temporal Convolutional Networks (TCNs), developed under the Convolutional Neural Network (CNN) architecture, have also gained attention as promising alternatives for sequence modeling. Therefore, this study proposes a hybrid model combining TCN and NLSTM to leverage the strengths of both architectures. It further integrates Variational Mode Decomposition (VMD) for handling nonstationary data, using both power and weather data for improved prediction performance. Additionally, a mutation-inspired modification of the Driving Training-Based Optimization (DTBO) algorithm dynamically tunes the model’s hyperparameters. The results demonstrate that the enhanced DTBO-aided TCN-NLSTM outperforms single-network architecture, achieving up to a 12.7
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关键词
Wind power forecasting,Temporal convolutional network,Nested long-short term memory,Driving training-based optimization algorithm,Variational mode decomposition