The Web-Based Engineering Process Framework for Concurrent Engineering

김현,명재형,목경태,Kim, Hyun,Myong, Jae-Hyong,Mok, Kyung-Tae Society for Computational Design and Engineering 1998 한국CAD/CAM학회학회지 Vol.3 No.4

The engineering process including design, analysis/evaluation and manufacturing activities is becoming one of the key issues to embody a concurrent engineering concept. This paper proposes a framework to integrated the complicated engineering design and manufacturing processes under the concurrent engineering environment. The framework offers the following facilities: (1) to represent the complicated engineering process (2) to coordinate design activities and execute the process in a distributed environment (3) to support a communication among the related engineers. The engineering processes is depicted using process flow graphs that consist in tasks and the corresponding input and output data. The engineering activities in the defined processes can be executed in a distributed environment through process controller of the framework. Engineers can communicate to suggest their opinions and to exchange product information in the framework. We have conformed the CORBA standard to integrate various distributed engineering the and communicate among them, and used a Java to support the platform independent environment on the Internet. Since the proposed framework an be a formal approach to integrate the engineering processes by providing formalism, parallelism, reusability, and flexibility, it can be effectively applied to embody the concurrent engineering concept in a distributed environment.

CAROD: Computer-Aided Reliable and Optimal Design as a concurrent system for real structures

Kharmanda, Ghias,Mohamed, Alaa,Lemaire, Maurice Society for Computational Design and Engineering 2002 International Journal of CAD/CAM Vol.2 No.1

Computer-Aided Reliable and Optimal Design (CAROD) system is an efficient tool defining the best compromise between cost and safety. Using the concurrent engineering concept, it can supply the designer with all numerical information in the design process. This system integrates several fields such as multidisciplinary optimization, reliability analysis, finite element analysis, geometrical modeling, sensitivity analysis and concurrent engineering. When integrating these disciplines, many difficulties are found such as model coupling and computational time. In this paper, we propose a new concurrent methodology satisfying the reliability requirement, allowing the coupling of different models and reducing the computational time. Two applications (rotating disk and hook structures) demonstrate that CAROD system can be a practical concurrent engineering application for designers.

Continuous Improvement Through Integration of Quality Tools

( Zhen He ),( Er Shi Gi ),( Zi Xian Liu ) 한국품질경영학회 2002 The Asian Journal on Quality Vol.3 No.2

Continuous quality improvement is now the focus of research and application in quality engineering. To achieve continuous improvement, it`s necessary to integrate quality tools and to plan, design and control the whole process of creating quality. Based on the extensive literature review and the philosophy of concurrent quality engineering, the paper analyzes the relationships among major quality tools such as QFD, FMEA, DOE and SPC and presents a basic model and structure for the integration of quality tools.

A Triangularization Algorithm Solving for the Complex Design with Precedence Constraints and IDEF3 Modeling in Concurrent Engineering

조문수,임태진,Cho, Moon-Soo,Lim, Tae-Jin Institute of Control 2009 제어·로봇·시스템학회 논문지 Vol.15 No.7

Engineering design involves the specification of many variables that define a product, how it is made, and how it behaves applied to computer, communication and control fields. Before some variables can be determined, other variables must first be known or assumed. This fact implies a precedence order of the variables, and of the tasks of determining these variables consequently. Moreover, design of complex systems may involve a large number of design activities. In this paper, the activity-activity incidence matrix is considered as a representation of design activity analysis which mainly focuses on the precedence constraint with an object of doing IDEF3 in process-centered view. In order to analyze the activity-activity incidence matrix, a heuristic algorithm is proposed, which transforms an activity-activity, parameter-formula, and parameter-parameter incidence matrix into a lower triangular form. The analysis of the structured matrices can not only significantly reduce the overall project complexity by reorganizing few critical tasks in practice, but also aims at obtaining shorter times considering the solution structure by exploring concurrency.

A Triangularization Algorithm Solving for the Complex Design with Precedence Constraints and IDEF3 Modeling in Concurrent Engineering

Moonsoo Cho(조문수),Tae-Jin Lim(임태진) 제어로봇시스템학회 2009 제어·로봇·시스템학회 논문지 Vol.15 No.7

Engineering design involves the specification of many variables that define a product, how it is made, and how it behaves applied to computer, communication and control fields. Before some variables can be determined, other variables must first be known or assumed. This fact implies a precedence order of the variables, and of the tasks of determining these variables consequently. Moreover, design of complex systems may involve a large number of design activities. In this paper, the activity-activity incidence matrix is considered as a representation of design activity analysis which mainly focuses on the precedence constraint with an object of doing !DEF3 in process-centered view. In order to analyze the activity-activity incidence matrix, a heuristic algorithm is proposed, which transforms an activity-activity, parameter-formula, and parameter-parameter incidence matrix into a lower triangular form. The analysis of the structured matrices can not only significantly reduce the overall project complexity by reorganizing few critical tasks in practice, but also aims at obtaining shorter times considering the solution structure by exploring concurrency.

A Framework of Feature-based Modeling for Concurrent Product Shape Design

SEO, Man-Seung 동명정보대학교 1998 東明情報大學校論文集 Vol.1 No.-

In this paper a framework for feature-based modeling is newly proposed in order to support concurrent engineering design involving functional design, machining, assembly, maintenance, and so on. The framework defines a mechanism interpreting shape descriptions in different application viewpoints into a unified representation. With the mechanism designers and engineers can cooperatively deal with product shapes in the environment of concurrent engineering. Based on the framework, a feature-based modeling system has been developed and an example of implementation is briefly introduced.

학술 논문 : 차량 개발 단계의 친환경설계 프로세스에 대한 연구

권재수 ( Jae Soo Gwon ),이준하 ( Joon Ha Lee ),홍성준 ( Sung Joon Hong ),조희욱 ( Hee Wook Cho ),홍병권 ( Byoeng Kwon Hong ),홍존희 ( John Hee Hong ) 한국전과정평가학회 2011 한국전과정평가학회지 Vol.12 No.1

Recently the environmental regulations require automobile makers not only to set up the open loop resource recycling system by promoting the material recycling and remanufacturing in disposal phase, hut also to apply Eco-design to their products in design phase. Hyundai Motor Group applies DfD(Design for Disassembly) and DfR(Design for Recycling) from conceptual design stage to production stage with the aspect of concurrent engineering. Eco-design guideline helps engineering designers to understand the necessity of Eco-design. The recyclability check sheets that include detailed design ideas classified by the polymer parts enable each designer to verify the product design by oneself. Furthermore, virtual recyclability inspection is performed in the digital product inspection stage which handles the virtual 3D modeling of products. All these activities became the official procedure in product development process. The DOROSY(Design fOr Recycling Optimizing SYstem) which is developed to help designers evaluate and modify their 3D design to generate the redesign alternatives and finally analyze the effect of environmental design change within a short time. Because DOROSY is based in CATIA which is familiar to engineering designers using the parametric designed template, engineering designer can apply the Eco-friendly idea to product design efficiently.

동시공학적 제품개발을 위한 CAD/CAM 데이터 호환성에 관한 연구

이재환 ( Jae Hwan Lee ) 한국디자인과학학회 2002 디자인과학연구 Vol.4 No.4

최근 IMF의 한파가 우리 나라의 산업사회 전반에 불어닥친 이후로 우리는 모든 분야에서 심각한 경제적 어려움을 겪고 있다. 이러한 가운데 기업 및 공공기관의 정책입안자 및 관리자들은 각자의 분야에서 어떠한 것이 문제이고, 이를 극복하기 위해서는 우리가 어떠한 방향으로 개선책을 세워야 할 것인지 고심하고 있다. BK21의 사업계획은 지역 산업계가 실질적으로 요구하는 교육 인력을 적절히 양성함으로써 국가 산업의 총체적인 위험 국면을 타개하고자 하는데 그 목적을 두고서 교육적인 측면에서 세워진 것으로 이해할 수 있다. 이에 대한 타개책의 하나로서 최근에 제품제조 및 개발과 관련한 산업에서 새로이 부각되고 있는 것이 동시적(同時的) 개발 프로세스이며 디자인 개발도 이러한 동시적 개발기법에 적합한 체제로 바뀌어나가고 있다. 본 연구에서는 동시적 개발의 보급에 따른 디자인 개발 프로세스를 특히 3차원 형상 데이터의 CAD와의 호환성을 중심으로 살펴보고자 하였다. 이는 디자인 개발 프로세스의 중추가 되어있는 3차원 모델링 작업이 디자인에 있어 컴퓨터 정보 생성의 시초라는 점과 이를 토대로 한 설계 과정, 그리고 설계에서의 사양변경 등에 대한 디자인의 효율적 대응력을 높여야 한다는 전제에서 출발한 것이며, 디자인 과정에서 발행하는 비효율적 요소를 억제하여 전체 개발 프로세스에 효율적인 접근법을 제공하고자 하는 시도이다. Korea has confronted a severe economic crisis since its economy has been put under the control of IMF. A number of administrators and managers ant enterprises and government offices have investigated in such topics as what the problems are and how the things should be resolved to overcome the ordeal. BK21 project could be one example of this established in the area of education, aiming at breaking the deadlock by producing more work forces the industry practically demands. Among some solutions to these attempts, a newly devised and emerging in product developing and manufacturing industries is the concurrent development processes, which the designers are now adapting their development process to. This study tries to reorganize the design development processes and present the standardized design tasks conforming to the standards of concurrent development, mainly in terms of the compatibility of computer 3D modeling data with engineering CAD systems. This has been prompted on the prepositions that the 3D modeling is the beginning of computer-aided forming process in design, and that the efficient correspondence of design to the engineering design processes with frequent technical modifications should be noticeably enhanced, which, as a whole, is being an attempt to provide an appropriate design approach for the entire product development processes by suppressing inefficient factors occurring in design.

동시공학과 컨버젼스에 기초한 제품디자인 프로세스 모형개발

윤재우(Yoon, Jae Woo) 한국디지털디자인협의회 2015 디지털디자인학연구 Vol.15 No.1

신기술의 융합과 신소재의 끊임없는 개발의 원천이 되었고 다양한 선택의 폭의 증가와 제품개발 방법의 새로운 패러다임의 전환점을 만들어가고 있다. 또한 기업 경영에 있어 혁신적인 가시적 성과를 위해 3D 소프트웨어의 등장으로 제품디자인, 기구설계, 금형설계, 가공에 이르는 전 과정을 통합적으로 운영하는 최고의 제품개발방법이 요구되고 있다. 이러한 융합적 개발프로세스의 성장은 동시공학 구현을 통한 핵심적인 제품정보를 기반으로 PLM[Product Life cycle Management]이라는 새로운 학문으로 자리 잡았으며 제품일정에 대한 단축과 경쟁력을 갖기 위한 수단으로 제품개발의 프로세스를 단계별로 수행하는 것보다는 병렬적으로 처리하는 동시공학 개념을 도입하게 되었다. 따라서 본 논문은 기존 제품개발 프로세스를 고찰한 후 디자인, 기구설계, 금형설계 및 제작 등 어느 부분에서의 접근이 가장 효율적 접근인지를 분석하고 3차원 CAD 소프트웨어를 통한 가장 효율적인 동시공학적 제품개발 및 융합기술을 접목한 디자인의 사례를 중심으로 새로운 전략적 제품개발프로세스 모형을 개발하고자 한다. Trend has become a root of integration of new technologies and endless development of new materials, and has created a paradigm shift in the method of product development together with the increase in the range of various choice. Further, for innovative, visual performance in corporate management, required is the method of the best product development in which the whole process ranging from product design, apparatus design, and mold design to processing is operated in an integrative manner with the appearance of 3D software. The growth of such an integrated development process caused to get established as a new science of PLM(Product Life cycle Management)based on core product information through the realization of concurrent engineering; consequently, a corporation came to introduce the concept of concurrent engineering, which makes it possible to do parallel processing, as a means of shortening of product schedule and possessing competitiveness instead of phased processing of product development. Hereupon, this paper is intending to analyze which sector among design, apparatus design, mold design and manufacturing, etc. can produce the most efficiency by this paper-intended approach after considering the existing product development process, and is aimed at developing a new strategic product development process model with focus on the case of the design integrating the most efficient concurrent engineering product development through 3-dimensional CAD software with converging technology.

로봇 시스템 개발을 위한 동시공학적 디자인 프로세스에 관한 연구

홍성수 ( Seonp Soo Hong ),이재훈 ( Jae Hoon Lee ) 한국디자인과학학회 2002 디자인과학연구 Vol.5 No.2

최근 과학 기술의 눈부신 발전으로 로봇시스템이 산업용에서 가정용으로까지 그 영역이 확대되어가고 있다. 또한 로봇디자인에 있어서 엔지니어와 산업디자이너 사이의 공동연구를 위한 디자인 프로세스의 필요성이 대두되고 있다. 이에 본 연구에서는 로봇의 정의, 종류, 특징 그리고 변천과정에 대해서 알아보았을 뿐만 아니라, 로봇시스템 개발에 있어서 엔지니어와 산업디자이너간의 협력방안에 대해 동시공학적 입장에서 디자인 프로세스 모델을 제안하고 한다. 이러한 동시공학적 설계를 위해 산업디자이너에게는 로봇의 메커니즘, 전기 전자적 특성 등에 대한 충분한 이해가 선행되어야 좋은 로봇시스템을 디자인할 수 있다. Recently, such an incredible pace of scientific advance has allowed expansion of the role that robots play in our lives, from industrial purposes to household chores. Also, there arose an urgent need for commencing joint design research discipline connecting engineering and industrial designers specifically for robot design. In this paper, we surveyed the definition, classification, characteristics and evolutionary process of robots. We also attempts to present the model for design discipline from the perspective of concurrent engineering regarding cooperative efforts required between engineers and industrial designers for robot system development. For such concurrent engineering construction, industrial designers must develop thorough understanding of mechanism, electrical and electronic characteristics for robots before implementing a decent robot system design.