Construction and Application of Digital Twin System for Optical Fiber Secondary Coating Workshop

doi:10.16182/j.issn1004731x.joss.22-0568

Abstract

Abstract:

In order to solve the problem that the current optical fiber secondary coating workshop has inferior intelligence and low digital degree, a three-dimensional (3D) visual monitoring and fault diagnosis method for the optical fiber secondary coating workshop based on digital twin (DT) is proposed. In view of the equipment in the optical fiber secondary coating workshop, combined with the workshop production process and equipment operation mechanism, the digital modeling of all physical properties of the optical fiber secondary coating workshop is carried out, and the virtual twin scene is constructed. Real-time mapping between the virtual workshop and the physical workshop is realized through the interactive transmission of data, and the virtual-real interaction can realize the visualization and intelligent control of the equipment in the optical fiber secondary coating workshop. By establishing the connection between Unity3D and MySQL database, the twin data are stored. The method is applied in an optical fiber secondary coating workshop. A DT system of the optical fiber secondary coating workshop is designed and developed, and the effectiveness of the proposed method is verified.

Key words: digital twin, optical fiber secondary coating workshop, 3D modeling, visual monitoring, fault diagnosis

CLC Number:

TP391.9

Yuan Biao, Huang Yourui, Xu Shanyong, Rong Xue. Construction and Application of Digital Twin System for Optical Fiber Secondary Coating Workshop[J]. Journal of System Simulation, 2023, 35(9): 2011-2022.

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指标	数值
生产速度/(m/min)	Max 600 *
光纤芯数/cores	1～12
放线张力/N	(0.4～1.5)±0.1
套管外径Φ/mm	1.2～3.5
余长范围	(0～3‰)±0.05‰
计米精度	< 2‰
附加损耗/(dB/km)	≤0.02
外型尺寸/m	L ≤ 25，W ≤ 3.5
电压/V	380
总功率/kW	> 90

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