Analysis on the overall model framework of ship steam power based on digital twin

YANG Yuanlong; SUN Ling; ZHANG Xiaobin; WU Jinxiang; CHENG Ning

doi:10.19693/j.issn.1673-3185.01884

Volume 16 Issue 2

Mar. 2021

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Chinese Journal of Ship Research > 2021 > 16(2): 157-167. > DOI: 10.19693/j.issn.1673-3185.01884 CSTR: 32390.14.j.issn.1673-3185.01884

YANG Y L, SUN L, ZHANG X B, et al. Analysis on the overall model framework of ship steam power based on digital twin[J]. Chinese Journal of Ship Research, 2021, 16(2): 157–167. DOI: 10.19693/j.issn.1673-3185.01884

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Analysis on the overall model framework of ship steam power based on digital twin

China Ship Development and Design Center, Wuhan 430064, China

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Received Date: January 15, 2020
Revised Date: May 30, 2020
Available Online: December 28, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Abstract

Objectives In order to realize the digitalization, networking and intellectualization of ship steam power systems, this paper puts forward an application system based on a digital twin model.
Methods The "four-dimensional thought model" of a ship steam power system based on a digital twin is proposed, covering the four dimensions of physical object, process element, life cycle and virtual space. The "five order system model" of the whole life cycle of the power system is then established, including five typical stages: concept demonstration, system design, general assembly and construction, trial run, and operation and maintenance. Advanced technologies such as big data, internet of things, cloud computing, artificial intelligence and model-based system engineering are introduced, and the overall digital twin "seven-layer architecture model" of a ship steam power system is formed, composed of the physical layer, interface layer, data layer, model layer, scheduling layer, function layer and application layer.
Results The verification results of the virtual design analysis and test platform of the ship steam power system show that the digital twin system framework can effectively support the system's scheme design, operation analysis and test scheme evaluation, and realize interaction and cooperation between the physical space and virtual space throughout the whole life cycle of the ship.
Conclusions The results of this study can provide valuable references for the overall digital design of ship steam power systems.
- steam power system,
- overall design,
- digital twin,
- architecture model

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