GB/T 45626-2025Information technology — Equipment digital twin system — General requirements (English PDF)
信息技术 装备数字孪生系统 通用要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 25, 2025
Implementation date
November 1, 2025
Scope
GB/T 45626-2025 is the English-translated version of 信息技术 装备数字孪生系统 通用要求.
GB/T 45626-2025 is the Chinese national standard covering a digital twin of a physical machine or plant — the four parts of the system, being the target equipment, the twin interaction, the digital entity and the twin service, the requirements for simulation, visualization, condition monitoring, fault diagnosis and state prediction, the quality characteristics, and the construction sequence of building the model, validating it, connecting it to the equipment and then checking that the virtual and the real still agree. It sits under GB/T 43441.1-2023, the general digital twin standard. First edition, in force from 1 November 2025. Issued on 25 April 2025, it has been in force since 1 November 2025.
Document preview — GB/T 45626-2025
National Standard of the People's Republic of China
- ICS
- 35.240.50
- Classification
- L 67
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- PrefaceIII
- 1 Scope1
- 2 Normative references1
- 3 Terms and Definitions1
- 4 Abbreviations2
- 5 System composition2
- 5.1 Overview2
- 5.2 Target Equipment3
- 5.3 Twin Interaction3
- 5.4 Digital Entity4
- 5.5 Twin Service4
- 6 Technical Requirements5
- 6.1 Simulation5
- 6.2 Visualization5
- 6.3 Status Monitoring6
- 6.4 Fault Diagnosis6
- 6.5 State prediction6
- 6.6 Quality characteristics7
- 7 System Construction7
- 7.1 Overview7
- 7.2 Model Construction8
- 7.3 Model Validation9
- 7.4 Connection Interaction9
- 7.5 Virtual and Real Verification and Evaluation10
- Reference11
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Information Technology Standardization Technical Committee (SAC/TC28).
Information Technology (Beijing) Co., Ltd., Dongfang Electric Group Dongfang Turbine Co., Ltd., China Petroleum and Natural Gas Pipeline Engineering Co., Ltd., China Shenyang Institute of Computing Technology Co., Ltd. of the Chinese Academy of Sciences, Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Aerospace Morning Light Co., Ltd., Shanghai CRRC Ruibode Intelligent System Co., Ltd., Shenzhen Axis Automation Technology Co., Ltd., Shanghai Broadband Technology and Application Engineering Research Xin, Baweitong Technology Co., Ltd., Beijing Shiguan Jinyang Technology Development Co., Ltd., Futaihua Industry (Shenzhen) Co., Ltd., Chaos Industrial Intelligence Energy Research Institute (Qingdao) Co., Ltd., Zhejiang Zhengyun Intelligent Technology Co., Ltd., and Guangzhou Tianyi Technology Co., Ltd.
The main drafters of this document are: Hu Lin, Han Li, Li Jia, Guo Nan, Zhang Hui, Hu Chenglin, Ma Liqun, Zhou Yang, Wang Yong, Zhang Xiaomei, Zhou Junxiong, Su Shuai, Duan Haibo, Li Jufeng, Dong Jielian, He Zhiyong, Li Zhenxuan, Zhang Zhihui, Jiang Zhichao, Tao Fei, Wang Zhongkai, Shen Jie, Huang Yalin, Zhu Guoliang, Zeng Tao, Yu Riyue, Zhou Lixiong, Li Jian, Miao Qi, Zheng Desheng, Cao Yijun, He Saike, Ding Qiang, Chen Jiancheng, Xu Kejia, Wang Honggang, Liu Haijun, Huang Xuwei, Ren Zhigang, Li Jianhui, Chen Zhiman, Long Xiaoang, Xia Ming, Suo Hansheng, Shen Chao, Cai Miao, Shang Du, Yang Xu, Wang Wei, Yang Huijia, Liu Ying, Xiang Bo, Ding Liang, Shang Xiaolei, Li Jiajing, Zhu Wenkui, Wu Jianxiong, Li Xiaoyu, Fu Genli, Lu Songfeng, Luo Jun, Wang Zixing, Lu Yangguang, Wang Menglu, Tang Songbai, Wang Miaoxin, Li Shuang, Luo Ming, Yu Lei, Yang Hongxu, Cao Xifei, Liu Dongqing, Deng Guodong, Wei Qiang, Wu Junyi, Wu Dakui, Zhao Bo, Huang Haibin, Li Jiale, Li Qing, Li Fei, Hu Huaibing, Sun Shidong, Wang Haining, Li Shuang, He Chunchang, Wu Tong, Ping Yan, Wang Xuejun, Wang Hongliang, Wei Zhen, Chang Xuemei, Li Gaoyong, Hu Lanfang, Gu Liwen, Ning Yan, Hu Shuyan, Zhang Xueqin, Liu Jiaxin, and He Baodong.
General requirements for digital twin systems of information technology equipment
1 Scope
This document describes the composition of the equipment digital twin system and specifies the technical requirements and construction requirements of the system.
This document applies to the development, use and maintenance of equipment digital twin systems.
2 Normative references
GB/T 43441.1-2023
3 Terms and definitions
The terms and definitions defined in GB/T 43441.1-2023 and the following apply to this document.
3.1 Equipment
A general term for the equipment and equipment systems used to implement and ensure production and operation activities.
Note. In some specific scenarios, equipment is also called device.
[Source. GB/T 41251-2022, 3.1.1, modified]
3.2 Target equipment targetequipment
Equipment selected for digital twinning.
3.3 digital entity
A digital twin of the target entity.
[Source. GB/T 43441.1-2023, 3.3]
3.4
A system that realizes dynamic iteration of various elements between target equipment and its digital entity.
3.5 Model
An abstract representation of an entity or collection of entities.
Note. A model is able to describe, understand, or predict the properties of an entity or set of entities under conditions or circumstances of interest.
[Source. ISO /IEC /IEEE42020 2019,3.13, modified]
3.6 Geometry modelgeometrymodel
A model that describes the geometric features of the target equipment and its additional attributes.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Editions of GB/T 45626
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 45626-2025 | Information technology - Equipment digital twin system - General requirements | current edition | Current |
This page sells the current edition, GB/T 45626-2025. Earlier editions are listed for reference only.
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