基于CNN-BiLSTM-Attention的钢铁企业电力能耗预测

    Electricity Consumption Prediction for Steel Enterprises Based on CNN-BiLSTM-Attention

    • 摘要: 为有效预测钢铁企业的电力能耗,提高资源利用的可持续性,提出一种基于CNN-BiLSTM-Attention模型的电力能耗预测模型。通过互信息法(MI)提取电力能耗特征,以优化模型的输入变量,提高模型的泛化性和鲁棒性。引入卷积神经网络(CNN)进一步获取多特征输入的空间关联特性,并采用双向长短期记忆网络(BiLSTM)提取序列时序变化特征,最后通过注意力机制(Attention)强化对关键信息的提取。结合某钢铁企业实际电力能耗数据进行对比实验,结果表明,该模型在数据集上的平均绝对误差(MAE)和均方根误差(RMSE)分别为3.98407.6907,在预测精度上优于其他对比模型。研究结果对钢铁企业的能源管理和节能减排工作具有一定的指导意义。

       

      Abstract: To effectively predict the electric power energy consumption of iron and steel enterprises and improve the sustainability of resource utilization, an electric power energy consumption prediction model based on CNN-BiLSTM-Attention model is proposed. Firstly, the electric power energy consumption features are extracted by the mutual information (MI) method to optimize the input variables of the model and improve the generalization and robustness of the model. Then, a convolutional neural network (CNN) is introduced to further obtain the spatial correlation characteristics of multi-feature inputs, and a bidirectional long and short-term memory network (BiLSTM) is used to extract the sequence temporal change features, and finally, the extraction of key information is strengthened by the Attention mechanism (Attention). Comparison experiments are conducted with the actual electric power energy consumption data of an iron and steel enterprise, and the results show that the model has an average absolute error (MAE) and root mean square error (RMSE) of 3.9840 and 7.6907 on the dataset, respectively, which is superior to the other comparative models in terms of prediction accuracy. The results of the study have certain guiding significance for energy management and energy saving and emission reduction in iron and steel enterprises.

       

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