期刊
ENGINEERING
卷 5, 期 4, 页码 653-661出版社
ELSEVIER
DOI: 10.1016/j.eng.2019.01.014
关键词
Cyber-physical systems (CPS); Digital twin (DT); Smart manufacturing; Correlation and comparison
资金
- National Key Research and Development Program of China [2016YFB1101700]
- National Natural Science Foundation of China [51875030]
- Academic Excellence Foundation of BUAA
State-of-the-art technologies such as the Internet of Things (IoT), cloud computing (CC), big data analytics (BDA), and artificial intelligence (AI) have greatly stimulated the development of smart manufacturing. An important prerequisite for smart manufacturing is cyber-physical integration, which is increasingly being embraced by manufacturers. As the preferred means of such integration, cyber-physical systems (CPS) and digital twins (DTs) have gained extensive attention from researchers and practitioners in industry. With feedback loops in which physical processes affect cyber parts and vice versa, CPS and DTs can endow manufacturing systems with greater efficiency, resilience, and intelligence. CPS and DTs share the same essential concepts of an intensive cyber-physical connection, real-time interaction, organization integration, and in-depth collaboration. However, CPS and DTs are not identical from many perspectives, including their origin, development, engineering practices, cyber-physical mapping, and core elements. In order to highlight the differences and correlation between them, this paper reviews and analyzes CPS and DTs from multiple perspectives. (C) 2019 THE AUTHORS. Published by Elsevier LTD on behalf of Chinese Academy of Engineering and Higher Education Press Limited Company.
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