基于数字孪生的智能化工作面三维监测技术研究

Study on digital twin-based smart fully-mechanized coal mining workface monitoring technology

针对智能化工作面设备运行数据监控、视频监控存在的不足,结合智能化工作面成套设备状态实时监控需求,提出了一种基于数字孪生技术的多元信息驱动智能化工作面三维可视化监控方法。分析了当前煤矿工作面设备监控、视频监测以及三维可视化等存在的问题,系统阐述了将数字孪生技术应用于智能化生产过程监控的可行性、设计思路、技术路线与关键技术。对工作面煤机设备传感器配套、数字孪生三维监测系统架构、设备精准建模、工作面数字孪生体搭建、模型数据驱动算法、实时数据采集、运行数据管理分析、人机交互界面设计等进行了详细介绍。基于鄂尔多斯中煤某矿大采高智能化工作面,开发了一套工作面数字孪生三维监测系统,内嵌了三维展示、数据监控与开采工艺仿真功能模块,集成了设备传感器数据、生产运行控制数据、历史数据、人员定位数据以及相关的派生数据等,实现对工作面成套设备的实时三维动态监测、数据和模型三维融合展示、设备异常状态诊断预警、工况和生产数据分析管理以及自动化开采工艺虚拟仿真等。实践应用证明,该系统能够直观再现和精准描述设备状态,对工作面设备运行数据和生产数据提供系统性管理,提高了监测的效果。

In view of the shortcomings of equipment operation data monitoring and video monitoring of the intelligent working face,com⁃bined with the requirements of real-time monitoring of the state of the complete set of equipment of the intelligent working face,a multi-in⁃formation-driven intelligent working face 3D visualization monitoring method based on digital twin technology was proposed.The existing problems of equipment monitoring,video monitoring and three-dimensional visualization of coal mining face were analyzed,and the feasi⁃bility,design ideas,technical routes and key technologies of applying digital twin technology to intelligent production process monitoring were systematically explained.The equipment sensor supporting of coal mining machine,digital twin three-dimensional monitoring system architecture,precise equipment modeling,digital twin construction of working face,model data-driven algorithm,real-time data collection,operation data management analysis,human-computer interaction interface design,etc.were carried out as well.Based on the large mining height intelligent working face of a mine in China Coal Ordos Energy Chemical Co.,Ltd.,a set of digital twin 3D monitoring system for the working face has been developed,which is embedded with 3D display,data monitoring and mining process simulation function modules,and integrates equipment sensor data and production operation control data,historical data,personnel positioning data and related derived data,etc.,in order to realize real-time three-dimensional dynamic monitoring of complete sets of equipment on the working face,three-dimen⁃sional fusion display of data and models,diagnosis and early warning of equipment abnormal conditions,analysis and management of work⁃ing conditions and production data,and automated mining process virtual simulation,etc.Practical applications have proved that the system can intuitively reproduce and accurately describe the equipment status,provide systematic management of the oper⁃ating data and production data of the working face equipment,and improve the monitoring effect.