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    基于熵权-BP神经网络的神东矿区碳排放预测模型及应用

    Research on carbon emission prediction model and application in Shendong mining area based on entropy weight BP neural network

    • 摘要: 为精准预测区域碳排放水平,实现煤炭企业绿色转型与低碳发展,以神东矿区为研究对象,针对传统预测模型中存在的指标选取主观性强、预测精度偏低等问题,提出一种基于熵权-BP神经网络的碳排放预测模型。结合生命周期法与排放因子法构建碳排放核算体系,提取能源消耗、产量及环境等多维指标;依据数据可得性评估、相关性分析及聚类方法筛选关键影响因素,实现输入降维;采用熵权法赋权构建归一化权重体系,减少主观偏差,利用BP神经网络挖掘数据非线性特征,提升预测能力;并通过历史数据与预测结果对比验证模型有效性。结果表明:该模型预测平均误差波动性更小,同时在MAE、RMSE和MAPE上较BP模型分别降低约46%、48%和47%,展现出更优的预测精度与泛化能力。研究成果可为煤炭企业实现碳减排目标提供理论依据和方法借鉴。

       

      Abstract: In order to accurately predict regional carbon emissions levels and achieve green transformation and low-carbon development of coal enterprises, this paper takes the Shendong mining area as the research object. In view of the problems such as strong subjectivity in index selection and low prediction accuracy in traditional forecasting models, a carbon emission prediction model based on the entropy weight-BP neural network is proposed. Combining the life cycle method with the emission factor method to construct a carbon emission accounting system, multi-dimensional indicators such as energy consumption, output, and environment are extracted; key influencing factors are screened based on data availability assessment, correlation analysis, and clustering methods to achieve input dimensionality reduction; the entropy weight method is used to assign weights to construct a normalized weight system, reducing subjective bias, and BP neural network is utilized to mine non-linear features of data, enhancing prediction capabilities; and the model's effectiveness is verified through historical data comparison with predicted results. The results show that this model has a smaller fluctuation in average prediction error, and at the same time, it reduces MAE, RMSE, and MAPE by about 46%, 48%, and 47% compared to the BP model, respectively, demonstrating superior prediction accuracy and generalization ability. The research findings can provide theoretical basis and methodological references for coal enterprises to achieve carbon emission reduction targets.

       

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