摘要：AbstractDigital twin is becoming a General Purpose Technology of the coming fourth industrial revolution. However, there is no consistent set of definition, concept system, reference architecture (model), application framework (model), and maturity model of digital twin yet. This paper identifies the relationship among these models, proposes a universal architectural and ontological concept system of digital twin, and a set of unified above models to facilitate the standardization of digital twin.
关键词：KeywordsDigital Twinstandardizationconcept systemreference architectureapplication frameworkmaturity model
