Digital twin technology is a key technology for achieving intelligent manufacturing and industrial digital transformation

and has received widespread attention and research from both academia and industry. With the rapid development of data collection technology

computer performance

and related intelligent algorithms in the past decade

significant progress has been made in the research and application of digital twin technology. In response to the diversity of digital twin technology application fields and the complexity of object hierarchy

this article reviews the development process of the basic concepts and models of digital twin

and summarizes the key technologies and development achievements of digital twin technology in the manufacturing industry. On this basis

this article elaborates the current application status of digital twin technology in the manufacturing industry at three levels and the new paradigm of empowering intelligent manufacturing with digital twins. Finally

this article discusses the future development trends of digital twin technology in the manufacturing industry

providing reference for subsequent research.