摘要
智能制造是冶金工业发展的主要趋势,依赖于冶金设备数字化和智能化。本文从轧机装备传感测试理论技术、轧机装备系统稳健运行控制理论技术、机理数据双驱的产品质量诊断理论技术、流程再造理论技术和构件疲劳损伤失效理论等方面,对冶金轧制设备技术数字化智能化发展进行分析阐述。概述了冶金轧制装备领域典型传感器与测试技术的应用,包括板形检测技术、间隙检测技术和辊缝检测技术。建立了基于辊系刚柔耦合特性的轧机系统动力学模型体系,将动力学融入到轧机设计中,自主设计开发了轧机稳定性结构和振动预测控制技术,提高了板带轧机稳健运行控制水平。针对带钢生产过程多元产品质量诊断问题,融合板带生产机理模型和工业大数据,提出建立机理数据双驱模型,提高板带轧制生产过程多元产品质量生产稳定性。提出在线换辊、动态变规程及其多目标协同控制的基础理论这项流程再造举措,解决钢铁工业在追求短流程时装备工艺出现过度刚性连接问题,充分释放板带连轧装备工艺潜能,提升柔性制造水平。提出的新型应力场强理论,吻合高周疲劳失效现象,具有较高的预测精度。建立的冲击接触疲劳失效理论,揭示其损伤机理,是新型应力场强理论应用工程结构件的必要补充,为轧制设备抗疲劳设计及其稳健运行打下坚实基础。
A intelligent manufacturing is the main trend of metallurgical industry.It depends on the digitalization and intelligence of metallurgical equipment.The development of digital intelligent technology of metallurgical rolling equipment is analyzed from the aspects of sensor testing technology of rolling equipment,stable operation control theory technology of rolling equipment system,product quality diagnosis theory technology of mechanism data double drive to the process reengineering theory technology and component fatigue damage failure theory in this paper.The application of typical sensors and testing technology in the field of metallurgical rolling equipment,including shape detection technology,gap detection technology and roll gap detection technology are summarized in the paper.A dynamic model system of the rolling mill system is established based on the rigid flexible coupling characteristics of the roll system.The dynamics is integrated into the rolling mill design.The stability structure of the rolling mill and the vibration prediction control technology are independently designed and developed for improving the stable operation control level of the strip rolling mill.A dual drive model of mechanism data is proposed to improve the stability of multi product quality production in strip rolling process in order to solve the problem of multi product quality diagnosis in strip production process.This paper puts forward the basic theory of on-line roll changing,dynamic regulation changing and multi-objective coordinated control,which is a process reengineering measure to solve the problem of excessive rigid connection of equipment process in the pursuit of short process in iron and steel industry,to fully release the potential of plate and strip continuous rolling equipment process,and to improve the level of flexible manufacturing.The new stress field strength theory proposed is consistent with the phenomenon of high cycle fatigue failure and has high prediction accuracy.The impact contact fatigue failure the
作者
彭艳
PENG Yan(National Engineering Research Center for Equipment and Technology of Cold Strip Rolling,Yanshan University,Qinhuangdao,Hebei 066004,China;Provincial&Ministerial Collaborative Innovation Center for Intelligent Fine Steel Production Process Equipment,Yanshan University,Qinhuangdao,Hebei 066004,China)
出处
《燕山大学学报》
CAS
北大核心
2020年第3期218-237,共20页
Journal of Yanshan University
基金
国家重点研发计划资助项目(2017YFB0306402,2017YFB0306403)
国家自然科学基金资助项目(51375424)
河北省自然科学基金重点资助项目(E2017203161)。
关键词
冶金设备
数字化
智能化
稳健控制
流程再造
metallurgical equipment
digitalization
intellectualization
robust control
process reengineering
