网络首发:2026-10-10,
纸质出版:2026
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颜湘武, 王泽华, 卢俊达, 等. 基于可变形CNN-LSTM-Attention模型的跨场景短期电力负荷预测[J]. 太阳能学报, 2026,47(9):403-416.
颜湘武, 王泽华, 卢俊达, et al. 基于可变形CNN-LSTM-Attention模型的跨场景短期电力负荷预测[J]. 2026, 47(9): 403-416.
颜湘武, 王泽华, 卢俊达, 等. 基于可变形CNN-LSTM-Attention模型的跨场景短期电力负荷预测[J]. 太阳能学报, 2026,47(9):403-416. DOI: 10.19912/j.0254-0096.tynxb.2025-0558.
颜湘武, 王泽华, 卢俊达, et al. 基于可变形CNN-LSTM-Attention模型的跨场景短期电力负荷预测[J]. 2026, 47(9): 403-416. DOI: 10.19912/j.0254-0096.tynxb.2025-0558.
针对现有短期电力负荷预测模型结构固化导致的跨场景适应能力不足问题
提出一种基于改进麻雀搜索算法(ISSA)优化的可变形卷积神经网络-长短期记忆网络-注意力(CNN-LSTM-Attention)模型
具备面向不同数据场景动态构建最优配置的能力。首先
为实现模型结构与超参数的自适应调整
引入ISSA联合优化CNN与LSTM的网络层数、学习率和批次大小。其中
ISSA融合拉丁超立方抽样法、余弦退火、动态螺旋策略以及莱维飞行机制
以提升优化质量与收敛性能。然后
依据ISSA在不同场景特征下得到的最优配置
构建可变形CNN-LSTM-Attention模型。最后
在美国纽约州和中国南方地区的电力负荷数据上进行仿真验证
结果表明所提模型在多时间分辨率和不同地区季节条件下
决定系数较CNN-LSTM等主流预测模型至少提升1.18%
均方根误差至少降低45.03%
展现出良好的预测性能与跨场景适应性。
Addressing the limited cross-scenario adaptability resulting from the inflexible structures of current short-term power load forecasting models
this paper proposes a deformable convolutional neural network (CNN)-long short-term memory (LSTM)-attention model optimized using an improved sparrow search algorithm (ISSA). This approach enables the dynamic construction of optimal configurations tailored to diverse data scenarios. Firstly
to achieve adaptive adjustment of both model architecture and hyperparameters
the ISSA jointly optimizes the number of CNN and LSTM layers
learning rate
and batch size. The ISSA incorporates Latin hypercube sampling
cosine annealing
a dynamic spiral strategy
and a Lévy flight mechanism to enhance optimization quality and convergence. Subsequently
a deformable CNN-LSTM-Attention model is constructed based on the optimal configurations identified by the ISSA for different scenario characteristics. Finally
simulation and validation are conducted using power load data from New York State (USA) and South China. The results demonstrate that
across multiple time resolutions and varying regional and seasonal conditions
the proposed model improves the coefficient of determination by at least 1.18% and reduces the root mean square error by at least 45.03% compared to mainstream forecasting models such as CNN-LSTM
demonstrating excellent forecasting performance and cross-scenario adaptability.
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