应用灾害数字孪生体的应急预案演练系统  

Emergency plan drilling system based on disaster digital twin

作　　者：陈超 闫艳 CHEN Chao;YAN Yan(School of Computer Science and Technology,North China Institute of Science and Technology,Langfang Hebei 065201,China;Department of Art,North China Institute of Science and Technology,Langfang Hebei 065201,China)

机构地区：[1]华北科技学院计算机学院,河北廊坊065201 [2]华北科技学院艺术系,河北廊坊065201

出　　处：《中国安全科学学报》2021年第7期90-96,共7页China Safety Science Journal

基　　金：国家重点研发计划重点专项项目(2018YFC0808306)。

摘　　要：为提升应急预案演练培训效果,利用数字孪生技术和增强现实技术,研究灾害数字孪生体的构建方法,开发一种新的应急预案演练系统。该系统通过统一数据接口持续汇集天基、空基、地基遥感遥测数据和传感器采集数据,构建现场几何表达与物理特征的灾害数字孪生体,应用光子网络引擎创建协同演练网络会议,通过增强现实设备在现实空间中叠加展现灾害数字孪生体,利用姿态识别机制和网页即时通信协议,实现增强现实空间中的位置移动、三维标注、语音交流等功能。研究结果表明:该系统通过应用灾害数字孪生体,可实现灾害态势的直观、全面展现,从而提高演练培训效果。In order to improve drilling effect of emergency plans,digital twin technology and augmented reality technology were applied to study establishment method of disasters digital twin,and a new emergency plan drilling system was developed.Through unified data interface,space-based,sky-based,and ground-based remote sensing data and IoT data were continuously collected to construct the disaster digital twin,including geometric expression and physical characteristics.Furthermore,cooperative drilling network conference was created by using photon unity networking engine,disaster digital twin was superimposed in the real space with augmented reality devices,and functions like roam,3 D annotation and voice communication were realized by using gesture recognition mechanism and web real-time communications protocol.The results show that the system can visually and comprehensively reveal disaster situation through utilizing disaster digital twin,thus improving drilling effect of digital emergency plans.

关 键 词：灾害数字孪生体 应急预案演练系统 增强现实 光子网络引擎 网页即时通信协议 

分 类 号：X924.3[环境科学与工程—安全科学]