디지털 트윈은 물리적 객체를 디지털 객체로 복제하여 현실 세계의 문제를 해결하기 위한 디지털 융복합 기술로 4차 산업혁명이 시작되면서 다양한 산업분야에 활발하게 적용되기 시작하였다. 하지만 디지털 트윈을 위한 공통 플랫폼이나 표준화가 아직 초기 단계에 머물러 있기 때문에 각 기관이나 기업들은 독자적인 디지털 트윈을 구축하고 있는 상황이다. 따라서 서로 다른 디지털 트윈간에 데이터를 교환하고 디지털 트윈 플랫폼을 연동하는 상호운용성 문제가 발생하게 된다. 이에 본 논문에서는 디지털 트윈 간의 상호운용성 문제를 해결하기 위해 통합 정보 모델을 제안하고 통합 정보 모델을 기반으로 디지털 트윈 플랫폼이 정보를 교환하고 관리하는 방법에 대해 소개한다.
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