23rdCambridge International Manufacturing SymposiumUniversity of Cambridge, 26 –27 September 20191Supply Chain Digital Twins: Opportunities and Challenges Beyond the HypeJagjit Singh Srai*, Ettore Settanni, Naoum Tsolakis, Parminder Kaur AulakhCentre for International Manufacturing, Institute for Manufacturing, Department of Engineering, University of Cambridge, Cambridge, United Kingdom*jss46@cam.ac.uk, e.settanni@eng.cam.ac.uk, nt377@cam.ac.uk, pkksh2@cam.ac.ukAbstractThis paper discusses the application of digital twin concepts, prevalent in the factory unit operations environment, to the supply chaincontext. While the concept of digital twin is relatively recent in the manufacturing context, its application has now emerged within a wider supply chain context. It is unclear in this broader application what might the benefits of such an approach be in terms of operational control, replicability and efficiency. Following a literature review, the attributes of a Digital Twin Supply Chain (DTSC) are defined, highlighting similarities and differences from the traditional factory perspective that places the emphasis on equipment and unit operations. Selected DTSC attributesare then applied within a selection ofindustry case studieswhere advanced manufacturing technologies and industrial digitalisation are expected to provide new capability in terms of more distributed made-to-order manufacturing (e.g.,in pharmaceuticals supply chains), as well as enhanced visibility, traceability and authentication (e.g.,in organic food supply chains).