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基于动态注意力深度迁移网络的高炉铁水硅含量在线预测方法

蒋珂 蒋朝辉 谢永芳 潘冬 桂卫华

蒋珂, 蒋朝辉, 谢永芳, 潘冬, 桂卫华. 基于动态注意力深度迁移网络的高炉铁水硅含量在线预测方法. 自动化学报, 2023, 49(5): 949−963 doi: 10.16383/j.aas.c210524
引用本文: 蒋珂, 蒋朝辉, 谢永芳, 潘冬, 桂卫华. 基于动态注意力深度迁移网络的高炉铁水硅含量在线预测方法. 自动化学报, 2023, 49(5): 949−963 doi: 10.16383/j.aas.c210524
Jiang Ke, Jiang Zhao-Hui, Xie Yong-Fang, Pan Dong, Gui Wei-Hua. Online prediction method for silicon content of molten iron in blast furnace based on dynamic attention deep transfer network. Acta Automatica Sinica, 2023, 49(5): 949−963 doi: 10.16383/j.aas.c210524
Citation: Jiang Ke, Jiang Zhao-Hui, Xie Yong-Fang, Pan Dong, Gui Wei-Hua. Online prediction method for silicon content of molten iron in blast furnace based on dynamic attention deep transfer network. Acta Automatica Sinica, 2023, 49(5): 949−963 doi: 10.16383/j.aas.c210524

基于动态注意力深度迁移网络的高炉铁水硅含量在线预测方法

doi: 10.16383/j.aas.c210524
基金项目: 国家自然科学基金(61773406, 61725306, 61290325), 国家重大科研仪器研制项目(61927803), 中南大学研究生自主探索创新项目(2021zzts0183), 湖南省研究生科研创新项目(CX20210242)资助
详细信息
    作者简介:

    蒋珂:中南大学博士研究生. 2019年获得中南大学硕士学位. 主要研究方向为数据驱动的工业过程建模与控制, 过程数据分析和机器学习. E-mail: jiangke@csu.edu.cn

    蒋朝辉:中南大学自动化学院教授. 2011年获得中南大学博士学位. 主要研究方向为智能传感与检测技术, 图像处理与智能识别, 人工智能和机器学习. 本文通信作者. E-mail: jzh0903@csu.edu.cn

    谢永芳:中南大学自动化学院教授. 1993 年获得中南工业大学学士学位. 主要研究方向为分散控制, 鲁棒控制, 过程控制, 工业大数据和知识自动化. E-mail: yfxie@csu.edu.cn

    潘冬:中南大学自动化学院讲师. 分别于2015年和2021年获得中南大学学士和博士学位. 2019年至2021年, 在加拿大拉瓦尔大学电子与计算工程系联合培养. 主要研究方向为红外热成像, 视觉检测, 图像处理和深度学习. E-mail: pandong@csu.edu.cn

    桂卫华:中国工程院院士, 中南大学自动化学院教授. 1981年获得中南矿冶学院硕士学位. 主要研究方向为复杂工业过程建模, 优化与控制应用, 故障诊断与分布式鲁棒控制. E-mail: gwh@csu.edu.cn

Online Prediction Method for Silicon Content of Molten Iron in Blast Furnace Based on Dynamic Attention Deep Transfer Network

Funds: Supported by National Natural Science Foundation of China (61773406, 61725306, 61290325), National Major Scientific Research Equipment of China (61927803), Independent Exploration and Innovation Project for Postgraduate of Central South University (2021zzts0183), and Hunan Provincial Innovation Foundation for Postgraduate (CX20210242)
More Information
    Author Bio:

    JIANG Ke Ph.D. candidate at the School of Automation, Central South University. She received her master degree from Central South University in 2019. Her research interest covers data-based modeling and control of industrial process, process data analysis, and machine learning

    JINAG Zhao-Hui Professor at the School of Automation, Central South University. He received his Ph.D. degree from Central South University in 2011. His research interest covers intelligent sensing and detection technology, image processing and intelligent recognition, artificial intelligence, and machine learning. Corresponding author of this paper

    XIE Yong-Fang Professor at the School of Automation, Central South University. He received his bachelor degree from Central South University of Technology in 1993. His research interest covers decentralized control, robust control, process control, industrial big data, and knowledge automation

    PAN Dong Lecturer at the School of Automation, Central South University. He received his bachelor and Ph.D. degrees from Central South University in 2015 and 2021, respectively. He was a joint training Ph.D. candidate in the Department of Electrical and Computing Engineering from Université Laval, Canada, from 2019 to 2021. His research interest covers infr-ared thermal imaging, vision-based measurement, image processing, and deep learning

    GUI Wei-Hua Academician of Chinese Academy of Engineering, professor at the School of Automation, Central South University. He received his master degree from Central South Institute of Mining and Metallurgy in 1981. His research interest covers complex industrial process modeling, optimization and control applications, fault diagnosis, and distributed robust control

  • 摘要: 铁水硅含量是反映高炉冶炼过程中热状态变化的灵敏指示剂, 但无法实时在线检测, 造成铁水质量调控盲目. 为此, 提出一种基于动态注意力深度迁移网络(Attention deep transfer network, ADTNet)的高炉铁水硅含量在线预测方法. 首先, 针对传统深度网络静态建模思路无法准确描述过程变量与铁水硅含量之间的关系, 提出一种基于注意力机制模块的输入过程变量与输出硅含量之间的动态关系描述方法; 其次, 为降低硅含量预测模型训练时对标签数据的依赖, 考虑到铁水温度与硅含量数据之间的正相关性, 利用小时级硅含量标签数据微调基于分钟级铁水温度数据预训练好的深度模型的结构, 进而提高基于动态注意力深度迁移网络的硅含量预测精度; 同时, 为增强预测网络的可解释性, 实时给出了基于动态注意力机制模块计算的每个样本各过程变量对铁水硅含量的贡献度; 最后, 基于某钢铁厂2号高炉的工业实验, 验证了该方法的准确性、有效性和先进性.
  • 图  1  高炉三维仿真模拟图

    Fig.  1  Three-dimensional simulation diagram ofthe blast furnace cast field

    图  2  去噪自编码机基本结构

    Fig.  2  Architecture of a denoising autoencoder

    图  3  堆叠去噪自编码机训练过程

    Fig.  3  The training process of stacking denoising autoencoders

    图  4  动态注意力机制模块

    Fig.  4  The dynamic attention mechanism module

    图  5  基于动态注意力机制模块的深度去噪自编码机网络

    Fig.  5  Deep denoising autoencoders network based on dynamic attention mechanism module

    图  6  铁水温度与铁水硅含量的散点图

    Fig.  6  The scatter plot of temperature and silicon content of molten iron

    图  7  高炉铁水测温系统

    Fig.  7  Molten iron temperature measuring system in a blast furnace

    图  8  基于深度迁移网络的铁水硅含量在线预报模型

    Fig.  8  Online prediction model of silicon content in molten iron based on deep transfer network

    图  9  基于支持向量回归机的铁水硅含量预测结果

    Fig.  9  Prediction results of silicon content based on SVR

    图  10  基于堆叠去噪自编码机的铁水硅含量预测结果

    Fig.  10  Prediction results of silicon content based on S-DAE

    图  11  基于动态注意力机制深度网络的铁水硅含量预测结果

    Fig.  11  Prediction results of silicon content based on ADNet

    图  12  基于动态注意力深度迁移网络的铁水硅含量预测结果

    Fig.  12  Prediction results of silicon content based on ADTNet

    图  13  基于不同模型的铁水硅含量误差分布图

    Fig.  13  Prediction errors of silicon content in molten iron based on different models

    图  14  基于不同模型的预测和实际铁水硅含量分布散点图

    Fig.  14  The scatter plot of predictive and observed silicon content based on different models

    图  15  过程变量注意力得分热力图

    Fig.  15  The heat map of process variables attention scores

    表  1  过程变量最大互信息系数

    Table  1  Maximal information coefficient of process variables

    过程变量 MICMIT MICSi 过程变量 MICMIT MICSi
    富氧率 0.104 0.115 冷风压力 0.104 0.094
    透气性指数 0.104 0.111 全压差 0.104 0.130
    CO 0.103 0.104 热风压力 0.103 0.116
    CO2 0.111 0.145 实际风速 0.100 0.113
    标准风速 0.117 0.111 冷风温度 0.102 0.109
    富氧流量 0.120 0.129 热风温度 0.101 0.115
    冷风流量 0.117 0.111 顶温 0.120 0.162
    鼓风动能 0.101 0.107 顶温下降管 0.111 0.155
    炉腹煤气量 0.108 0.127 阻力系数 0.103 0.110
    炉腹煤气指数 0.109 0.128 鼓风湿度 0.135 0.140
    顶压 0.128 0.156 富氧压力 0.103 0.096
    本小时实际
    喷煤量
    0.100 0.136 上一小时
    实际喷煤量
    0.110 0.165
    下载: 导出CSV

    表  2  基于不同模型的预测性能

    Table  2  Prediction performance based on different models

    模型 RMSE MAE HR (%)
    SVR 0.0832 0.0635 77.5
    S-DAE 0.0794 0.0616 84.6
    ADNet 0.0772 0.0583 86.4
    ADTNet 0.0649 0.0509 90.0
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-06-10
  • 录用日期:  2021-11-02
  • 网络出版日期:  2021-11-21
  • 刊出日期:  2023-05-20

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