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건설프로젝트의 협업을 위한 Web 기반 정보관리 시스템
이창우(ChangWoo Lee),이광명(KwangMyong Lee),강형석(Hyoungseok Kang),노상도(Sangdo Noh) (사)한국CDE학회 2012 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2012 No.2
Sharing and reusing of the information during construction are getting more important to enhance the construction productivity. Recently, in order to effectively manage the information BIM (Building Information Modeling) technology has been introduced and applied actively. BIM is a process to create and manage whole information related to the infrastructures throughout four construction stages: planning, design, construction, and maintenance. In addition, a collaboration system between participants in a construction project, such as client, contractor, and structural designer, is required as well as BIM technology. In this paper, the process and data of construction projects were analyzed and web-based information management system for the collaboration of the participants of construction project was designed and developed. The system can support the cooperative decisionmaking of each participant during the overall construction process by the sharing and managing the construction information.
이언(Eon Lee),강형석(Hyoungseok Kang),이상석(Sangseok Lee),노상도(Sangdo Noh),이창우(KwangMyong lee),이광명(ChangWoo Lee) (사)한국CDE학회 2010 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2010 No.1
Building Information Modeling (BIM) is the virtual representation of the physical and functional characteristics of a facility from inception onward. As such, it serves as a shared information repository for collaboration throughout a facility’s lifecycle. BIM is a new paradigm which can perform a diverse engineering activity such as design, simulation, structure analysis, etc and support a based information model in construction industry. In these days, many construction companies tried to perform a project efficiently by constructing and using BIM and carried out a research related in PMIS(Project Management Information System), etc. But a real case of research focused on 3D modeling object and control and share of engineering information is insufficient. In this research, we suggest an efficient BIM model and information share system based PLM for collaboration based on analyzing and researching a case of constructing BIM when perform construction project.
자동차 부품 제조라인의 생산, 품질 이력 3D 가시화 시스템에 관한 연구
황다혜(Dahye Hwang),김승현(Seunghyeon Kim),이상현(Sanghyun Lee),강정태(Jeongtae Kang),노상도(Sangdo Noh) (사)한국CDE학회 2018 한국CDE학회 논문집 Vol.23 No.4
Recently, many manufacturers are recalling due to product quality problems. since it is difficult to record and utilize the manufacturing information in all steps of manufacturing, it is hard to figure out a cause of the quality problem clearly in the process of manufacturing and supplying parts. It is necessary to share the manufacturing information throughout the supply chain particularly among small and medium-sized manufacturers, but related infrastructure and information systems are in shortage. In this research, a 3D-based visualization system to cope with quality problems after product shipment was proposed. The proposed system shows the past state of the process and the flow of the logistics of the product in which the complaint after a shipment has occurred to the 3D-based visualization. It also shows the manufacturing history including product defect information and the status of each facility. In addition, it is possible to compare the production results for each scenario based on the built-in simulation function and perform alternative analysis on an improvement of the line such as buffer optimum capacity calculation or cycle time reduction. It was developed using open source for the diffusion of medium and small-sized manufacturing companies and applied to the actual production line of auto parts company.
3D CAD 모델 기반 조립성 및 조립비용 분석설계 지원시스템에 관한 연구
황다혜(Dahye Hwang),양진호(Jinho Yang),권혁진(Hyeokjin Kwon),김보현(Bohyun Kim),노상도(Sangdo Noh) (사)한국CDE학회 2018 한국CDE학회 논문집 Vol.23 No.4
Mass production was the main stream in manufacture industry for decades, however, small quantity batch production is becoming important as IT technology and data management system developed. In this industrial situation, manufactures are under pressure of shortening new product development time to meet custormer needs. DFMA provides guidance to the designer for simplifying the product structure to reduce manufacturing and assembly costs. Most of existing DFMA tools are implementing checklist method based on surveys on user experiences and assessing design under guidelines. This research suggests design-support system which is associated with 3D CAD systems to analyze assemblability and manufacture cost easily. Design-support system helps designer’s decision making using 3D CAD models and data to show product assembly structure and BOM.