arXiv:2501.06965cs.LGcs.AI2025-01被引 43

KARN模型提升跨类型用电负荷预测精度。

Kolmogorov-Arnold Recurrent Network for Short Term Load Forecasting Across Diverse Consumers

  • 用可学习的分段线性函数建模时间依赖关系
  • 在6个建筑中优于LSTM和GRU,整体表现更稳定
  • 适合需要跨用户类型通用预测的能源管理场景

负荷预测对电网稳定、运行效率、成本控制和环境可持续性至关重要。传统RNN存在梯度消失/爆炸问题,虽有LSTM等先进模型取得成效,但难以准确捕捉用电量的复杂突变,且适用范围常局限于特定用户类型(如办公或学校)。本文提出柯尔莫哥洛夫-阿诺德循环网络(KARN),融合柯尔莫哥洛夫-阿诺德网络的灵活性与RNN的时间建模能力,采用可学习的时序样条函数和基于边的激活机制,更好地建模负荷数据中的非线性关系,实现跨多种用户类型的适应性。在学生公寓、独立住宅、含电动车充电的住宅、联排别墅及工业建筑等真实数据集上评估,KARN在所有场景中均优于传统RNN,且在6个建筑中超越LSTM与门控循环单元(GRUs)。结果表明,KARN具备更高精度与更广适用性,是提升多样化能源管理中负荷预测性能的有力工具。

原文摘要 · Abstract (English)

Load forecasting plays a crucial role in energy management, directly impacting grid stability, operational efficiency, cost reduction, and environmental sustainability. Traditional Vanilla Recurrent Neural Networks (RNNs) face issues such as vanishing and exploding gradients, whereas sophisticated RNNs such as LSTMs have shown considerable success in this domain. However, these models often struggle to accurately capture complex and sudden variations in energy consumption, and their applicability is typically limited to specific consumer types, such as offices or schools. To address these challenges, this paper proposes the Kolmogorov-Arnold Recurrent Network (KARN), a novel load forecasting approach that combines the flexibility of Kolmogorov-Arnold Networks with RNN's temporal modeling capabilities. KARN utilizes learnable temporal spline functions and edge-based activations to better model non-linear relationships in load data, making it adaptable across a diverse range of consumer types. The proposed KARN model was rigorously evaluated on a variety of real-world datasets, including student residences, detached homes, a home with electric vehicle charging, a townhouse, and industrial buildings. Across all these consumer categories, KARN consistently outperformed traditional Vanilla RNNs, while it surpassed LSTM and Gated Recurrent Units (GRUs) in six buildings. The results demonstrate KARN's superior accuracy and applicability, making it a promising tool for enhancing load forecasting in diverse energy management scenarios.

负荷预测RNN改进能源管理

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