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선박 블록 단위의 대용량 JT 파일을 안드로이드 기기에서 가시화하는 방법
천상욱(Sanguk Cheon),서흥원(Heung-Won Suh) (사)한국CDE학회 2013 한국CDE학회 논문집 Vol.18 No.4
In shipbuilding, 2D manufacturing drawings are crucial for building a ship. Even various types of 3D models are being utilized for supporting ship manufacturing, which does not reduce the importance of 2D drawings. Recently things are changing in the shipbuilding industry. To reduce the number of 2D drawings or to reduce the quantity of information contained in 2D drawings, some attempts that can substitute for 2D drawings are being made. One of the attempts is to visualize lightweight 3D manufacturing models in a mobile device. In this paper, a method for displaying lightweight 3D models of a ship in an Android based device is introduced. To overcome the problem with parsing JT files in Android system, JT files are parsed in a Windows based server and as-simple-as-possible visualization data are transmitted to an Android based viewer. A comparison result with a commercial system is also given.
선박 의장 BOM의 진화를 반영하기 위한 고유 식별자 구현
김승현(Seung Hyun Kim),이장현(Jang Hyun Lee),서흥원(Heung Won Suh),전정익(Jung Ik Jeon),김광식(Kwang Sik Kim) (사)한국CDE학회 2010 한국CDE학회 논문집 Vol.15 No.6
Recently, not only marine PLM (Product Lifecycle Management) system but also an effective outfitting BOM (Bill of Material) management has been attracted by many shipyards. In particular, efficient outfitting design is being one of major issues in shipyards since most of currently designed marine vessels have more complex outfitting system than ever. Furthermore, each outfitting system has huge number of parts that should be arranged based upon the procurement and installation plan. Outfitting BOMs evolve into different forms according to the product development phases during basic design; detail design; and production design. Therefore, it is very difficult to maintain a consistent BOM data during the design phases. In order to express the evolution of product structures and the information of outfitting along the ship design, we suggested UID (Unique ID) code system. The UID (Unique ID) is used in order to create the relationship within evolutional BOMs of each design stage. It utilizes as the procedure of weight calculation for procurement BOM during each design stage. Thereafter, in order to demonstrate suggested outfitting BOM management technique, we suggested a prototype. In the prototype system, suggested features of outfitting BOM are implemented.
조선 PLM 환경에서 경량 CAD 모델에 대한 요구사항 분석 및 적용 사례
천상욱(Sanguk Cheon),이지훈(Ji-Hoon Lee),박광필(Kwang-Phil Park),서흥원(Heung-Won Suh) (사)한국CDE학회 2013 한국CDE학회 논문집 Vol.18 No.4
Introduction of PLM in domestic shipyards is being retarded as ship PLM has yet to firm up return of investment and process integration. To implement a ship PLM system, it is required to share ship CAD model data in various design and manufacturing environments. Lightweight CAD models provide a promising solution for sharing CAD models in the product life cycle, which can expedite implementation of ship PLM in domestic shipyards in the near future. Compared to proprietary CAD models, it is easy for lightweight CAD models to be interfaced with various application systems and be connected to manufacturing information. In this paper, the reason why lightweight CAD models are necessary to implement a ship PLM system is addressed and current implementation results are introduced.