南京大学学报(自然科学版) ›› 2019, Vol. 55 ›› Issue (4): 624632.doi: 10.13232/j.cnki.jnju.2019.04.012
Yingjie Guo1(),Feng Hu1,Hong Yu1,Hongliang Zhang2
摘要:
过热度是铝电解生产过程中的一项重要参数,将过热度保持在适当的范围内可以提高电流效率,减小电解槽损耗,但是过热度测量难度较大且测量过程复杂.因此,基于粒计算理论,提出一种基于时间粒的过热度预测模型.通过在时间序列上构建时间粒,结合时间粒构建新的特征集与样本集,在此基础上,利用分类器对新的样本集进行训练,得到模型.采用山东魏桥铝电有限公司的铝电解生产数据进行实验,结果表明,该方法在预测过热度上较已有模型的预测能力有较大提升.
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