| Title | New digital triad (DT-II) concept for lifecycle information integration of sustainable manufacturing systems |
|---|---|
| ID_Doc | 68231 |
| Authors | Bi, ZM; Zhang, CWJ; Wu, C; Li, L |
| Title | New digital triad (DT-II) concept for lifecycle information integration of sustainable manufacturing systems |
| Year | 2022 |
| Published | |
| Abstract | A system paradigm is a typical pattern or model of enterprise architectures (EAs) that describes constitutive system elements and their relations in achieving missions and goals of enterprises. A well-defined system paradigm and EA help enterprises in adopting appropriate manufacturing resources and technologies, optimizing plans, schedules, and controls of production lines, and coping with complexity, changes, and uncertainties of business processes cost-effectively. It is understandable that a system paradigm should be evolved along with the availability and advancement of advanced manufacturing technologies; on the other hand, new system paradigms are mostly inspired by some successful manufacturing applications of new information technologies (ITs). One of the recently developed system paradigms is Digital Manufacturing (DM) where Digital Twin (DT-I) is used to describe the interactions of virtual and physical entities. This paper discusses the concepts of DM and DT-I and rationalizes the relations of DM and DT-I; in particular, the origin and evolution of DT-I are explored in details to identify its limitations to be used as an EA for DM. It is our finding that existing IT concepts show their limitations in supporting smooth transitions when systems have to be reconfigured in dealing with long-term changes in Sustainable Manufacturing, and this is evidenced by the fact of the trend of the shortened lifespans of modern enterprises even with the aids of rapidly developed digital technologies in decades. To overcome these limitations, a new concept so called Digital Triad (DT-II) is coined and the Internet of Digital Triad Things (IoDTT) is proposed as an information integration (II) solution for digital manufacturing enterprises, and their application is illustrated through a reconfigurable robotic system example. The rationales and significances of DT-II and IoDTT as well as future research directions of DM are summarized as a conclusion. |
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