基于改进灰色模型的钢铁工业生产能耗预测研究
邓高,李琪

Research on Energy Consumption Prediction of Steel Industry Production Based on Improved Grey Models
Gao DENG,Qi LI
表4 吨钢综合能耗灰色预测结果
Table 4 Grey prediction results of comprehensive energy consumption per ton of steel(tce/t)
年份吨钢综合能耗DNGM(1,1)IDGM(1,1)DDGM(1,1)
模拟数据/预测数据残差相对误差/%模拟数据/预测数据残差相对误差/%模拟数据/预测数据残差相对误差/%
平均相对模拟误差/%0.70411.36771.1043
2010598598.000.000.00598.000.000.00598.000.000.00
2011597600.753.750.63597.000.000.00593.23-3.770.63
2012598595.71-2.290.38586.21-11.791.97588.72-9.281.55
2013590590.700.700.12581.45-8.551.45584.45-5.550.94
2014585585.730.730.13577.06-7.941.36580.41-4.590.79
2015580580.800.800.14573.03-6.971.20576.58-3.420.59
2016583575.90-7.101.22569.31-13.692.35572.95-10.051.72
2017576571.03-4.970.86565.89-10.111.76569.52-6.481.13
2018569566.20-2.800.49562.74-6.261.10566.26-2.740.48
2019553561.418.411.52559.846.841.24563.1910.191.84
2020549556.647.641.39557.178.171.49560.2711.272.05
2021550551.921.920.35554.714.710.86557.517.511.37
2022554547.22-6.781.22552.44-1.5560.28554.900.900.16
2023-542.56--550.36--552.42--
2024-537.93--548.44--550.08--
2025-533.34--546.67--547.86--