• 한국CDE학회논문집
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• 제17권4호
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• pp.234-245
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• 2012

This paper proposes a multi-level product modeling framework for long-term lifecycle products. The framework can help engineers to define product models and relate them to physical instances. The framework is defined in three levels; data, design model, modeling language. The data level represents real-world products, The model level describes design models of real-world products. The modeling language level defines concepts and relationships to describe product design models. The concepts and relationships in the modeling language level enable engineers to express the semantics of product models in an engineering-friendly way. The interactions between these three levels are explained to show how the framework can manage long-term lifecycle product information. A prototype system is provided for further understanding of the framework.

• 소성∙가공
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• 제19권3호
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• pp.185-190
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• 2010

Application of CAE analyses are wide spread in shaping processes and structural safety verification of plastic products. The importance of CAE analysis and its contributions are getting increase since the processibility and structural safety of product can be predicted. CAE analysis for complex shaped product need a lot of time for modeling and computation compare with simpler one. Therefore careful simulation modeling is required for complex shaped product. Structural analysis for plastic door handle of automobile has been performed and structural safety has been investigated for various load directions and modeling cases. Large stress occurred at the hinge in handle regardless of load direction and modeling case. Consequently hinge is considered structurally very weak among the parts in plastic door handle. It is concluded that simple modeling rather than total modeling with adequate boundary condition equivalent to real situation gives reasonable computational results with saving modeling effort and computation time.

• 제어로봇시스템학회논문지
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• 제13권3호
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• pp.256-262
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• 2007

In mass customization, the focus is variety and customization through flexibility and quick responsiveness. Mass customizers seek to provide personalized, custom-designed products at low prices to give customers exactly what they want and to provide sufficient variety in products and services. The idea of the product family is the most adequate approach to realize mass customization. An understanding of customer needs using functional decomposition becomes necessary to enhance the performance of the product family. This paper focuses on functional architecture modeling based on customer need regarding sub-functions for the product family. A quantitative functional model captures product functionality and customer need. Based on customer need ratings and sub-function, a product-function matrix was created. Additionally, a product-product matrix was generated to provide a similarity index among product families. A case study for implementing the functional architecture modeling was performed on the single use cameras.

• 산업경영시스템학회지
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• 제22권52호
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• pp.229-239
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• 1999

Enterprise integration, which aims to enhance an enterprise's competitive edge, requires a highly structured product information model as a common product database. Previous research works on this issue have been narrowly focused on the transformation of product information between various operation areas, leading to a situation where enterprise integration lacks a formal method of information modeling. In this paper, research works and issues surrounding product information modeling for enterprise integration are reviewed, and the requirements for a product information model are identified. A product information model called L3DPIM (Layered Three Dimentional Product Information Model) is proposed, which is based on a feature-based design process. This model is expected to serve as a modeling paradigm for enterprise integration.

• 한국CDE학회논문집
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• 제3권3호
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• pp.168-176
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• 1998

This paper deals with an application on the mould machining of air intake hose product by using 3-dimensional parametric modeling techniques. The detailed domain is the 3-dimensional product with similar shapes and different sizes which needs too much working time for preparation of modeling or machining due to making a trial and errors repeatedly. Decision making rules for selection of modeling order and technique, and for calculation of cutting conditions, and for determination of sequence and method concerning machining operations are required by interview of expert engineers in the field. The developed expert system of modeling and machining is programmed by using a user programming language under the CAD/CAM software of the Personal Designer. The developed system that aids a mould engineer who is working in the modeling and machining section which deal with air intake hose product provides strong and useful capabilities.

• 한국전자거래학회지
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• 제12권3호
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• pp.97-106
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• 2007

시맨틱 웹을 가능하게 해주는 핵심 기술은 온톨로지이다. 표준 언어로 자리잡은 OWL 웹 온톨로지 언어로 도메인을 직접 표현하기 위해서는 전문적인 기술이 요구된다. 따라서, 전자카탈로그 도메인 컨셉의 기초적인 관계들을 분석한 경험을 바탕으로 하여, 상품 도메인을 위한 OWL 코드를 자동적으로 생성해내는 시각적 상품정보 모델링 에디터인 PROMOD를 개발하였다. 특히, 개념모델링을 위해 상품 도메인에 특화된 모델링 요소들이 추가된 EER을 사용하였다. 본 논문에서는 EER 모델에서 OWL 코드로의 변환 방법과 PROMOD의 설계 및 구현을 보인다. 또한, 필드에서 이 모델링 에디터의 유용성을 시현하기 위한 시나리오를 제공한다.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2001년도 춘계학술대회 논문집
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• pp.358-362
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• 2001

Environmental Product Life Cycle Management is an activity for defining and describing the product, process of activity environmentally. The activity involves the full life cycle stages of the product; evaluating environmental releases at each stage, determining the aggregate and specific impacts of the releases, developing opportunities to effect environmental improvements. This paper presents a methodological approach for database modeling to build Product Life Cycle Management system and show a set of database modeling. Additionally, a key issue for database is the quality of the provided information.

• 한국감성과학회:학술대회논문집
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• 한국감성과학회 1997년도 한국감성과학회 연차학술대회논문집
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• pp.11-15
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• 1997

This study deals with the method for modeling relationship between human sensibility and design dldments of a product for applying human sensibility to product development, Inorder to extract sensibility characteeristics concerning a product, we figured out the relationship between xensibilith and design elements using corrdlation analysis and multiple regression analysis, and then modeled the realtionship between then through multiple objective linert programming. The results of this study can be effectively applied to develop a product based on human sensibility

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2018년도 추계학술대회
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• pp.652-654
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• 2018

제품디자인 제작 설계에서 기초모델링 데이터를 생성하는 과정은 매우 중요하고 제작시간 또한 많이 소요된다는 단점이 있다. 최근 이러한 단점을 보완하기 위해 모델링데이터를 쉽게 획득 할 수 있는 3D 스캐닝 기술이 등장하고 있다. 본 논문은 공간상의 사물을 촬영한 후 영상데이터에서 모델링데이터로 변환하는 기술을 제시하고 제품디자인에 적용할 수 있는 기초모델링 데이터를 생성한다. 또한 제품의 기초모델링 데이터를 리디자인과 활용할 수 있는 방안을 제시한다.

• 한국정보통신학회논문지
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• 제22권11호
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• pp.1505-1510
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• 2018

그래픽스 분야의 제품모델링 제작기술은 급속하게 발전하고 있고 3차원 데이터 응용과 활용성은 계속 증가하고 있다. 제품디자인 제작에 있어 3차원 모델링 제작에는 많은 시간이 소요된다. 최근 역설계 방식은 3D 데이터의 응용과 제작시간단축으로 활용성이 크다. 본 연구는 영상데이터 기반으로 포토메트리를 이용하여 3차원 포인트 클라우드 및 메쉬 데이터를 추출하고 이를 응용하여 제품의 1차 시안을 제작한다. 디자인 수정에 중점을 두어 2차 시안이 제작되었으며 3차 시제품 제작을 위한 3D 프린팅 작업을 진행한다. 이러한 제품디자인 제작과정에서 영상데이터의 활용과 가능성 및 3D 모델링 제작시간의 단축, 효율적인 프로세스를 제시한다. 또한 제품디자인 환경변화에 대응하기 위한 신제품 개발 프로세스 시스템의 모델을 제안한다.