基于数字孪生的液压回路虚拟实验系统  

Digital twin-based virtual reality experiment system for a hydraulic circuit

作　　者：简正豪[1] 陈卓贤 刘云鸿 刘继忠[2] JIAN Zhenghao;CHEN Zhuoxian;LIU Yunhong;LIU Jizhong(School of Mechanical and Vehicle Engineering,Nanchang Institute of Science&Technology,Nanchang 330025,China;School of Advanced Manufacturing,Nanchang University,Nanchang 330031,China)

机构地区：[1]南昌工学院机械与车辆工程学院,江西南昌330025 [2]南昌大学先进制造学院,江西南昌330031

出　　处：《实验技术与管理》2024年第9期111-117,共7页Experimental Technology and Management

基　　金：江西省教育厅科技项目(GJJ212512);江西省教学改革重点项目(JXJG-20-1-4);江西省重点研发计划项目(20202BBE53025)。

摘　　要：基于智能制造过程中数字孪生技术的应用及新工科人才培养数字孪生实践锻炼需求,探索了沉浸式液压回路虚拟实验数字孪生技术在工程教育中的应用。开发了基于数字学生的液压回路数字孪生系统,通过创建物理实体的精确虚拟孪生模型,并实时同步数据,为学习者提供了一个安全、可控且高度互动的学习环境。系统架构整合了物理实体、数据连接映射与孪生模型,实现了节流调速回路的实时数据采集、存储与三维可视化。通过该实验系统进行实验教学,不仅提升了教学效率,还增强了学生对新工科数字孪生技术的理解,并为学习者提供了全新的学习视角和工具。在提高对液压回路原理理解的同时,锻炼了学生解决实际工程问题的能力,为工程教育的创新与进步提供了新的思路和方法。[Objective]This immersive digital twin-based virtual reality(VR)experiment system for hydraulic circuits integrates real-world physical structures with a twin model in virtual space,which significantly facilitates the researcher’s in-depth understanding of the operation process and basic principles of the hydraulic system.To improve understanding of the application of digital twin technology in intelligent manufacturing processes and the demand for practical training of digital twins for cultivating new engineering talents,this study explores the application of digital twin technology in engineering education.This also has the potential to enhance students’understanding of the principles of hydraulic systems and practical operation capacity.The digital twin system developed herein provides a safe,controllable,and highly interactive learning environment for learners by generating accurate virtual twin models of physical entities and synchronizing data in real time.[Methods]The distributed digital twin system architecture proposed herein consists of four key components:data sensing,cloud services,the twin model,and VR mapping.This architecture enables efficient simulation and real-time interaction with the hydraulic system,providing a comprehensive and intuitive learning platform for learners.The data sensing component monitors various physical quantities related to the hydraulic throttling speed control circuit in real time through a series of sensors that measure indicators,such as the pressure,flow,and displacement of hydraulic cylinder rods.These sensors then send these data to the cloud service platform using wireless transmission technology.The cloud service component acts as the data processing and management center of the system and is responsible for storing a large amount of data from the data sensing component and providing data subscription and distribution services.The twin model visualization component is the core of the system,and it can construct a highly realistic 3D digital twin model of the h

关 键 词：液压回路 数字孪生 虚拟实验系统 数据通信 

分 类 号：TH122[机械工程—机械设计及理论] TP391.9[自动化与计算机技术—计算机应用技术]