• Title, Summary, Keyword: design

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Evolutionary Design and Re-design Using Design Parameters and Goals (설계 인자와 설계 목표를 이용한 진화 설계 및 재설계)

  • Lee, Kang-Soo;Lee, Kun-Woo
    • Journal of the Korean Society for Precision Engineering
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    • v.16 no.11
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    • pp.106-115
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    • 1999
  • Design parameters and goals play important roles in design. Design goals are the required functions of the design elements and explicitly expressed by design parameters. Design parameters also indicate the relations among design elements, by which constraint networks can be constructed and some useful information can be induced. In this study, the mechanical design process is assumed to be the assignment of design goals and their realization through the evolutionary refinement of the design parameters. Thus an integrated design system is proposed to support the process of assigning the design goals and refining the values of the design parameters. In the design system, a genetic engine that utilizes a genetic algorithm is installed to simulate an iterative design process, which leads to an evolutionary design. The genetic engine treats design parameters as genes and design goals as evaluation function. Re-design and design modification are facilitated by the design parameters. The re-design can be activated in the design system by using the information stored in the design parameters when design parameters or goals are changed.

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A Hybrid Monitor (Rib, Boss) Design System with a Function Based Design and a Knowledge Based Design (기능기반설계와 지식기반 형상설계를 이용한 하이브리드 모니터 마스크(리브, 보스) 설계시스템)

  • Lee S.H.;Chun H.J.;Jeon S.M.
    • Korean Journal of Computational Design and Engineering
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    • v.11 no.2
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    • pp.77-87
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    • 2006
  • It is necessary to change the existing design process to cope with a short life-cycle product and various customer's demands. Also a frequent design change may delay the whole design process and it will increase the unit cost of the production. New alternatives or techniques have emerged to solve the existing design problems, such as a knowledge based engineering, an intelligent CAD, a function based design, and so on. In this paper, we propose a hybrid design system with a knowledge based design methodology and a function based design technique. The knowledge based design is good at a frequent design change and the function based design is effective to extract a core design behavior. In an early design process, the system utilizes a core design behavior through the function based design process. On the other hand, the system manages complicated design issues with the knowledge based design technique in the detailed design process. We conclude that the hybrid design system can bring fair effects on implementing an efficient design environment in aspect of time and expense.

Development of a Design Ontology and Design Process Visualization Environment for the Analysis and Leaning of Conceptual Design (개념 설계과정의 설계정보가시화를 위한 온톨로지 개발과 환경구현)

  • Kim, Sung-Ah
    • Korean Institute of Interior Design Journal
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    • v.16 no.4
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    • pp.119-126
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    • 2007
  • A prototype design process visualization and guidance system, is being developed. Its purpose is to visualize the design process in more intuitive manner so that one can get an insight to the complicated aspects of the design process. By providing a tangible utility to the design process performed by the expert designers or guided by the system, novice designers will be greatly helped to learn how to approach a certain class of design. Not only as an analysis tool to represent the characteristics of the design process, the system will be useful also for learning design process. A design ontology is being developed to provide the system with a knowledge-base, representing designer's activities associated with various design information during the conceptual design process, and then to be utilized for a computer environment for design analysis and guidance. To develop the design ontology, a conceptual framework of design activity model is proposed, and then the model has been tested and elaborated through investigating the nature of the early conceptual design. A design process representation model is conceptualized based on the ontology, and reflected into the development of the system. This paper presents the development process of the visualization system, modeling of design process ontology, and how the system could be utilized for the analysis and learning of conceptual design methods using computer mediated design support environment.

(A) Study on the Desk Design Applying the Universal Design (유니버설디자인을 활용한 데스크 디자인)

  • Lee, Sang Ill;Kim, Chung Ho
    • Journal of the Korea Furniture Society
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    • v.25 no.4
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    • pp.325-330
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    • 2014
  • Design concepts are pursuing the convenience of the aesthetic in furniture design recently. As a tool for human beings, all the products, make for convenient and secure more human. And, it has evolved to universal design direction us meet the needs of human beings. Design that can be a lot of people to share is required today. For these reasons, universal design affect the social art, and design. By applying the field of furniture design, universal design has to meet the needs of consumers. And must utilize to be triggered the development of furniture design market. It reduces the fatigue of the user, desk design gives a comfortable feeling. In addition, to increase the operating speed, with fewer mistakes, resulting in a number of benefits. I want to be a basic data to provide by setting the direction of furniture design through the universal design research. it would be possible if applied to furniture design characteristics of universal design, develop and recover the furniture market has stagnated.

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Integrated design system for supporting product development process ($ezDesign^{(R)}$ System) (제품개발 프로세스를 지원하는 통합설계환경)

  • Lee, Sang-Bong;Kim, Su-Ok;Hong, Tae-Hwa
    • Proceedings of the KSME Conference
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    • pp.357-360
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    • 2001
  • Design Engineering Group, LG Production engineering Research Center has been developing The Integrated Design Environment enabling engineering design task with ease, speedy and accurate for several years targeting the design departments in LG Electronics. $ezDesign^{(R)}$ System is consisted by Engineering Database Management, Engineering Knowledge Management, 3D Design Application, Design Evaluation Method and Project Management. Engineering Database Management manage the design information effectively. Engineering Knowledge Management takes control of design knowledge from design engineering activity systematically. It is possible for the engineering designer to utilized 3D CAD easily by 3D Design Application. Design Evaluation Method can evaluate several design alternatives synthetically. In Project management System, Designer can simulate the project schedule and cost. In this report, We will introduce how design process can be innovated by way of $ezDesign^{(R)}$ System.

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Development of Capstone Design Education Model Using 6-sigma Methodology (6-sigma 방법론을 적용한 종합설계 교육모델 개발)

  • Ryu, Kyunghyun
    • Journal of Engineering Education Research
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    • v.23 no.4
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    • pp.28-36
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    • 2020
  • Capstone design education is essential in the engineering design process according to the certification standards of ABEEK. Capstone design process should be properly trained in undergraduate courses in order to increase the design ability of systems, components and processes within realistic constraints. In this study, a modified design model as a capstone design education model was proposed to reduce the separation between the design process at industrial sites and the design process at university education. The modified design model based on 6-sigma methodology is composed of 6 design steps such as define, measure, analyse, design, verify, and report. Each step has appropriated design contents and tools, and is configured to generate design results. The proposed design model was directly applied to the capstone design class for automotive engineering in Kunsan National University, and it was confirmed that the proposed DMADVR methodology was a very useful design education model to enhance the design ability, teamwork ability and communication skills required by ABEEK.

Development and Application of a Process Visualizer to Represent and Analyze Design Process (설계프로세스의 표현과 분석을 위한 프로세스 뷰어 개발과 적용)

  • Kim Sung-Ah
    • Korean Institute of Interior Design Journal
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    • v.15 no.3
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    • pp.193-200
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    • 2006
  • Any design process is interwoven with numerous intermediate design representations and information. On the other hand, designers proceed the design through various activities. It has always been a difficult task to model the design process, yet there are many significant research outputs that explain the design process through the cognitive approaches. This research started from the necessity of an interactive system which externalize the elements of design process in a visual or tangible manner. In order to do so, a design model, specifically a design process representation model was necessary to capture and represent design process. Several concepts such as design issue, design concept, and design form were defined through the empirical studies of design practices. The assumption is that the design process can be effectively captured by the presented system and it can help both designers and tutors review and analyze the design process. It should also help novice designers learn from expert designer's design process patterns. The system represents design process pattern in a interactive graphic environment. It also provides various useful features to enhance the analysis of design process. This paper presents theoretical groundwork and development process of the design process visualizer. The representation model is presented, and the application of the system is reviewed. Discussions on the further development directions include critical evaluation of the system.

An Anthropometric Product Design Approach Using Design Structure Matrix (DSM): Application to Computer Workstation Design (Design Structure Matrix를 활용한 인체측정학적 제품설계 방법: 컴퓨터 워크스테이션 설계 적용)

  • Jung, Ki-Hyo;Kwon, O-Chae;You, Hee-Cheon
    • Journal of the Ergonomics Society of Korea
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    • v.26 no.3
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    • pp.111-115
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    • 2007
  • Design equations for anthropometric product design are developed by considering the geometrical relationships of design dimensions and anthropometric dimensions. The present study applied the design structure matrix (DSM) method to the development of design equations for a computer workstation, and compared design values from the design equations with corresponding design values of ergonomic recommendations and existing products. The relationships between design dimensions (e.g., legroom and worktable) were analyzed by a DSM, and then the application order of design equations (e.g., seatpan, backrest, armrest, legroom, and worktable in descending order) was determined. Next, design equations were developed by analyzing the geometric relationships between computer workstation design dimensions and anthropometric dimensions. Finally, design values for a computer workstation were determined by considering a standard posture defined and representative human models (5th, 50th, 95th %ile). The design values calculated using the design equations were similar with those of ergonomic recommendations found in literature and two commercial products measured in the study; however, some design values (e.g., seatpan height) were different due to discrepancy in standard posture. The DSM method would be utilized to systematically analyze the relationships between design dimensions for anthropometric product design.

Parametric Design of a Car Audio Based on Configuration Design Method (구성설계 방법을 이용한 차량용 오디오의 파라메트릭 설계)

  • 강춘식;한순흥
    • Korean Journal of Computational Design and Engineering
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    • v.2 no.4
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    • pp.276-285
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    • 1997
  • Engineers need to reduce the product design time interval and deal with frequent design changes. For this purpose a design expert system has been developed where a 3D CAD system is used for the visualization of a design layout especially the car audio design. This expert system is based on the configuration design methodology, one of the design methods which emulates the engineering design process, and the parametric design method. The design methods and heuristic knowledge are represented as rules, and design parts are represented as objects with properties. After an inference process, design parameters are extracted and they are used leer the parametric design. This study focused on the shape visualization of product components in the preliminary design phase.

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Conceptual Design of a Multi-Rotor Unmanned Aerial Vehicle based on an Axiomatic Design

  • Yoo, Dong-Wan;Won, Dae-Yeon;Tahk, Min-Jea
    • International Journal of Aeronautical and Space Sciences
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    • v.11 no.2
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    • pp.126-130
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    • 2010
  • This paper presents the conceptual design of a multi-rotor unmanned aerial vehicle (UAV) based on an axiomatic design. In most aerial vehicle design approaches, design configurations are affected by past and current design tendencies as well as an engineer's preferences. In order to design a systematic design framework and provide fruitful design configurations for a new type of rotorcraft, the axiomatic design theory is applied to the conceptual design process. Axiomatic design is a design methodology of a system that uses two design axioms by applying matrix methods to systematically analyze the transformation of customer needs into functional requirements (FRs), design parameters (DPs), and process variables. This paper deals with two conceptual rotary wing UAV designs, and the evaluations of tri-rotor and quad-rotor UAVs with proposed axiomatic approach. In this design methodology, design configurations are mainly affected by the selection of FRs, constraints, and DPs.