网络首发:2026-06-04,
纸质出版:2026
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李国民, 张君, 赵春阳, 等. 基于集成分解与多头注意力机制的风电功率区间预测[J]. 太阳能学报, 2026,47(5):332-340.
李国民, 张君, 赵春阳, et al. 基于集成分解与多头注意力机制的风电功率区间预测[J]. 2026, 47(5): 332-340.
李国民, 张君, 赵春阳, 等. 基于集成分解与多头注意力机制的风电功率区间预测[J]. 太阳能学报, 2026,47(5):332-340. DOI: 10.19912/j.0254-0096.tynxb.2024-2441.
李国民, 张君, 赵春阳, et al. 基于集成分解与多头注意力机制的风电功率区间预测[J]. 2026, 47(5): 332-340. DOI: 10.19912/j.0254-0096.tynxb.2024-2441.
针对传统风电功率预测方法在处理复杂信号时的局限性
提出一种结合集成分解与多模型融合的风电功率预测新方法。首先
采用融合混合策略的混沌-莱维黏菌(SCL)算法优化改进的完全自适应噪声集合经验模态分解方法(ICEEMDAN)
应用于风电功率数据的频率分解
将信号分解为高频、中频和低频分量。针对不同频率的分量
分别应用Transformer、TCN-BIGRU和OSELM进行单独建模
以充分捕捉不同频率分量的时序特征和非线性规律。随后利用多头注意力机制对各频率分量的预测结果进行加权融合
充分考虑不同分量对风电功率预测的贡献。为获得更具鲁棒性的风电功率预测结果
利用改进的马尔可夫链蒙特卡洛(IMCMC)方法对预测结果进行区间预测。实验结果表明
所提出的方法相比于传统单一模型预测方法
R2分别提高了14.2% 与7.15%
在95%置信区间PICP分别为95.78%与95.93%。
Aiming at the limitations of traditional wind power prediction methods in dealing with complex signals
a new method for wind power prediction combining integrated decomposition and multi-model fusion is proposed. First
a Slime Chaos Levy (SCL) algorithm incorporating a hybrid strategy is proposed for optimizing the Improved Complete Ensemble Empirical Mode Decomposition with Adaptive Noise (ICEEMDAN) method
which is applied to the frequency decomposition of wind power data to decompose the signals into high
medium and low frequency components. Transformer
temporal convolutional network and bidirectional gated recurrent unit (TCN-BIGRU)
and online sequential extreme learning machine (OSELM) are applied to represent different frequency components in order to completely capture their temporal features and nonlinear patterns. Subsequently
to fully account for the contribution of various components to the wind power forecast
the prediction results of each frequency component are then weighted and fused using the multi-head attention mechanism. In order to obtain more robust wind power prediction results
the improved Markov chain Monte Carlo (IMCMC) method is utilized to predict the prediction results in intervals. The experimental findings demonstrate that the target method increases the by 14.2% and 7.15%
respectively
and the PICP is 95.78% and 95.93% at 95% confidence intervals
respectively
when compared to the typical single-model prediction method.
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