4.6 Article

Extended Reality Application Framework for a Digital-Twin-Based Smart Crane

期刊

APPLIED SCIENCES-BASEL
卷 12, 期 12, 页码 -

出版社

MDPI
DOI: 10.3390/app12126030

关键词

digital twin; extended reality; human-machine interaction; framework; crane

资金

  1. Business Finland [3508/31/2019]
  2. ITEA 3 Call 5 MACHINAIDE

向作者/读者索取更多资源

Industry 4.0 and Industry 5.0 are two different stages of development, with the former focusing on technological upgrades and improving intelligence, and the latter emphasizing societal needs, values, and responsibility. Digital twin and extended reality are two cutting-edge technologies that play important roles in human-machine interaction. This paper presents an extended reality application framework for manufacturing services, and describes its responsiveness test and industrial applications for a digital twin-based smart crane.
Industry 4.0 is moving forward under technology upgrades, utilizing information technology to improve the intelligence of the industry, whereas Industry 5.0 is value-driven, aiming to focus on essential societal needs, values, and responsibility. The manufacturing industry is currently moving towards the integration of productivity enhancements and sustainable human employment. Such a transformation has deeply changed the human-machine interaction (HMI), among which digital twin (DT) and extended reality (XR) are two cutting-edge technologies. A manufacturing DT offers an opportunity to simulate, monitor, and optimize the machine. In the meantime, XR empowers HMI in the industrial field. This paper presents an XR application framework for DT-based services within a manufacturing context. This work aims to develop a technological framework to improve the efficiency of the XR application development and the usability of the XR-based HMI systems. We first introduce four layers of the framework, including the perception layer with the physical machine and its ROS-based simulation model, the machine communication layer, the network layer containing three kinds of communication middleware, and the Unity-based service layer creating XR-based digital applications. Subsequently, we conduct the responsiveness test for the framework and describe several XR industrial applications for a DT-based smart crane. Finally, we highlight the research challenges and potential issues that should be further addressed by analyzing the performance of the whole framework.

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