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Smart city - City digital twin - Part 1: Technical reference architecture
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Basic data
| Standard ID | GB/T 45109.1-2024 (GB/T45109.1-2024) |
| Description (Translated English) | Smart city - City digital twin - Part 1: Technical reference architecture |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | L70 |
| Classification of International Standard | 35.240.01 |
| Word Count Estimation | 18,166 |
| Date of Issue | 2024-12-31 |
| Date of Implementation | 2025-07-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 45109.1-2024: Smart city - City digital twin - Part 1: Technical reference architecture
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 35.240.01
CCSL70
National Standard of the People's Republic of China
Smart City City Digital Twin
Part 1.Technical Reference Architecture
Released on 2024-12-31
2025-07-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Abbreviations 1
5 Overview 2
6 Technical Reference Architecture 2
7 Smart Infrastructure 3
7.1 Perception Infrastructure 3
7.2 Network Infrastructure 4
7.3 Storage Infrastructure 4
7.4 Computing Infrastructure 4
8 Data Resources 4
9 Digital Engine 5
9.1 Digital Modeling 5
9.2 Virtual-Real Mapping 6
9.3 Object Identification 6
9.4 Space-time computing 6
9.5 Simulation 7
9.6 Twin Vision 7
9.7 Interactive Control 7
10 Digital Twin Services 8
10.1 Data Infrastructure Services 8
10.2 Data Analysis Services 8
10.3 Application Services 8
10.4 Other Services 9
11 Safety Management 9
12 Operation Management 9
Reference 10
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.
This document is Part 1 of GB/T 45109 "Smart City Digital Twin". GB/T 45109 has published the following
part.
--- Part 1.Technical reference architecture.
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 by the National Technical Committee for Information Technology Standardization (SAC/TC28).
This document was prepared by the National Information Technology Standardization Technical Committee (SAC/TC28) and the National Urban Sustainable Development Standardization Technical Committee
It is jointly managed by the Committee (SAC/TC567).
This document was drafted by. Tencent Cloud Computing (Beijing) Co., Ltd., China Electronics Technology Standardization Institute, China Information and Communications Research Institute
Institute of Technology, Softcom Smart Technology Co., Ltd., Renmin University of China, Huawei Technologies Co., Ltd., Shenzhen Urban Transportation Planning and Design Research Center
Co., Ltd., China Mobile Xiong'an Information and Communication Technology Co., Ltd., Beijing May Day Vision Digital Twin Technology Co., Ltd., Chengdu Qinchuan
ChinaNet Technology Co., Ltd., Beijing Institute of Architectural Design Co., Ltd., Terry Digital Technology (Beijing) Co., Ltd.,
Sichuan Jianshan Technology Co., Ltd., China Electronics System Construction Engineering Co., Ltd., China Mobile (Hangzhou) Information Technology Co., Ltd., MCC Wuhan Surveying and Design Engineering Co., Ltd.
Engineering Technology Co., Ltd., China Railway Seventh Bureau Group Wuhan Engineering Co., Ltd., Xidian University, Shanghai Municipal Engineering Design and Research Institute
(Group) Co., Ltd., Shenzhen Yitu Information Co., Ltd., Tianjin University, Shenzhen Youli Holographic Technology Co., Ltd., Yuance Information Science and Technology
Technology Co., Ltd., Henan Provincial Government Big Data Center, China Power Construction Group East China Survey and Design Institute Co., Ltd., China Science Star Map Digital
Earth Hefei Co., Ltd., Isa Technology Co., Ltd., Shenzhen Original World Technology Co., Ltd., Guangdong Xinhedao Information Technology Co., Ltd.,
Shenzhen Institute of Surveying and Mapping (Group) Co., Ltd., Nobikan Artificial Intelligence Technology (Chengdu) Co., Ltd., Baweitong Technology Co., Ltd.,
Shanghai Jianke Engineering Consulting Co., Ltd., Shandong Benliu Information Technology Co., Ltd., CITIC Construction Co., Ltd., Tianjin Wanfeng Environmental Protection Technology
Co., Ltd., Morgan (Zhejiang) Intelligent Chip Co., Ltd., and Shanghai Urban Construction Information Technology Co., Ltd.
The main drafters of this document are. Zhang Hongwei, Wang Tao, An Xiaomi, Wang Yaoyao, Peng Gefei, Mei Shujia, Li Jianhui, Dong Nan, Zhang Xiaochun, Cui Hao,
Zheng Qingguo, Zhang Yuxiong, Liu Wen, Feng Xiaomeng, Lin Tao, Wang Chenkang, Yao Xinxin, Jiang Lijian, Li Qing, Shao Zehua, Tian Jing, Gao Min, Zhuo Pengfei, Liu Junwei,
Wang Xueqiang, Tang Li, Pu Guiyang, Li Rui, Xiang Fumin, Li Teng, Zang Zhonghai, Yao Wei, Gu Xiaoguang, Long Hao, Zhang Pei, Qian Chengyang, Lou Xiaolei, Wang Yansheng,
Tang Deke, Huo Chunwang, Wu Shunmin, Jia Haipeng, Liao Yu, Yang Hongxu, Lu Zhichao, Huang Kefeng, Zhou Peng, Wang Guannan, Zhan Shuyan, Zhang Xun, Geng Xincai,
Jiang Zhiping and Zhou Zhefeng.
Introduction
GB/T 45109 "Smart City Digital Twin" aims to standardize the connotation of urban digital twins and guide the application of digital twin technology in cities.
The application in this paper is planned to consist of three parts.
--- Part 1.Technical reference architecture. The purpose is to establish the technical reference architecture of urban digital twins and standardize the urban digital twin intelligent
Requirements for components such as energy infrastructure, data resources, digital engines, digital twin services, security management, and operations management.
--- Part 2.Data reference architecture. The purpose is to establish a data reference architecture for urban digital twins, focusing on urban digital twin technology.
The data resources in the technical reference architecture are given, and requirements for data aggregation, data processing, data sharing, data services, etc. are given.
--- Part 3.Business Reference Architecture. The purpose is to establish the business reference architecture of the city digital twin, focusing on the technical reference architecture.
Digital twin services and applications provide a reference architecture for relevant business application scenarios and business organizational relationships from a business perspective.
Among them, the technical reference architecture determines the organizational model and internal relationship between the data reference architecture and the business reference architecture.
Smart City City Digital Twin
Part 1.Technical Reference Architecture
1 Scope
This document provides a technical reference architecture for urban digital twins, defining smart infrastructure, data resources, digital engines, digital twins,
Service, security management and operation management requirements.
This document is applicable to guiding the application and deployment of digital twins in cities, supporting the planning, construction, management, operation, updating,
Serve.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 37971 Information security technology Smart city security system framework
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
City Digital Twin CityDigitalTwin
Mapping, synchronizing, interacting and evolving physical entities, relationships and activities in urban physical and social spaces in digital space
Digital representation technology.
Note. Urban digital twins can use data, models, and algorithms as carriers to complete urban simulation, prediction, interaction, and control.
4 Abbreviations
The following abbreviations apply to this document.
AR.Augmented Reality
CAD. Computer-Aided Design
...
