基于机床数字孪生系统的 5G 性能实验评估

IF 4.6 2区 工程技术 Q2 ENGINEERING, MANUFACTURING
Jan Mertes , Christian Schellenberger , Li Yi , Marius Schmitz , Moritz Glatt , Matthias Klar , Bahram Ravani , Hans D. Schotten , Jan C. Aurich
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引用次数: 0

摘要

5G 移动通信标准具有低延迟、高带宽和高设备密度的特点,可同时满足不同工业用例的网络要求,并提供高质量的服务。这些功能使基于边缘计算的数字孪生(DT)得以实现,用于时间和安全关键型无线应用。然而,5G 在实际制造场景中对数字孪生的适用性还缺乏研究。在这项工作中,我们通过大量实验对基于边缘计算和 5G 移动通信的 DT 进行了评估。我们重点研究了实现边缘设备功能所需的通信技术和要求。本文的主要贡献在于对现有制造系统中的 5G 性能特征进行了全面的实验研究。此外,我们还评估并讨论了 5G 对基于边缘的 DT 功能的影响。本文设计并进行了不同网络配置的全因子实验。评估了通信特性(延迟、抖动)的性能以及对实际流程和数字流程之间连续性的影响。通过实验评估,还将结果与 WiFi 标准进行了比较。最后,讨论了当前 5G 网络在制造业中的局限性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental evaluation of 5G performance based on a digital twin of a machine tool
The 5G mobile communication standard can potentially meet the networking requirements for different industrial use cases simultaneously due to the promised low latency, high bandwidth, and high device density while providing a high quality of service. These capabilities enable the realization of digital twins (DTs) that are based on edge computing for time- and safety-critical wireless applications. However, the investigation of the applicability of 5G for DTs in real-world manufacturing scenarios is still lacking. In this work, we have evaluated a DT based on edge-computing and 5G mobile communication using extensive experiments. We have focused on the communication technology and requirements needed to enable functionalities on edge devices. The key contribution of this paper is a comprehensive experimental study on 5G performance characteristics in an existing manufacturing system. Moreover, the influence of 5G on the functionality of the edge-based DT is evaluated and discussed. Full factorial experiments with different network configurations are designed and conducted. The performance of communication characteristics (latency, jitter) is evaluated as well as the impact on the continuity between real and digital processes. The results are also compared with the WiFi standard by experimental evaluation. At last, the limits of current 5G networks for manufacturing are discussed.
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来源期刊
CIRP Journal of Manufacturing Science and Technology
CIRP Journal of Manufacturing Science and Technology Engineering-Industrial and Manufacturing Engineering
CiteScore
9.10
自引率
6.20%
发文量
166
审稿时长
63 days
期刊介绍: The CIRP Journal of Manufacturing Science and Technology (CIRP-JMST) publishes fundamental papers on manufacturing processes, production equipment and automation, product design, manufacturing systems and production organisations up to the level of the production networks, including all the related technical, human and economic factors. Preference is given to contributions describing research results whose feasibility has been demonstrated either in a laboratory or in the industrial praxis. Case studies and review papers on specific issues in manufacturing science and technology are equally encouraged.
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