• Title/Summary/Keyword: layout design

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보관시설의 작업공간 배치 알고리즘 개발 (Development of Layout Design Algorithm for Warehouse)

  • 이석;김영주;권용장
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2010년도 춘계학술대회 논문집
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    • pp.1574-1579
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    • 2010
  • This paper deals with the development of warehouse layout design algorithm. In the developed model, receiving/outgoing areas, storage areas, picking/distribution areas, value-added operation areas and support areas are considered. For more efficient use of the warehouse floor space, a mezzanine floor is also considered. We develop heuristic algorithms of warehouse layout design for several cases: three types of warehouse and three types of flow. This study is expected to be used as a guideline in warehouse layout design phase.

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New shipyard layout design for the preliminary phase & case study for the green field project

  • Song, Young Joo;Woo, Jong Hun
    • International Journal of Naval Architecture and Ocean Engineering
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    • 제5권1호
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    • pp.132-146
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    • 2013
  • For several decades, Asian nations such as Korea, Japan and China have been leading the shipbuilding industry since the decline in Europe and America. However, several developing countries such as India, Brazil, etc. are going to make an entrance into the shipbuilding industry. These developing countries are finding technical partners or information providers because they are in situation of little experiences and technologies. Now, the shipbuilding engineering companies of shipbuilding advanced countries are getting a chance of engineering business against those developing countries. The starting point of this business model is green field project for the construction of new shipyard. This business model is started with a design of the shipyard layout. For the conducting of the shipyard layout design, four kinds of engineering parts are required. Those are civil engineering, building engineering, utility engineering and production layout engineering. Among these parts, production layout engineering is most important because its result is the foundation of the other engineering parts and it determines the shipyard capacity during the shipyard operation lifecycle. Previous researches about the shipyard layout design are out of the range from the business requirements because most research cases are in the tower of ivory, which means that there are little consideration of real ship and shipbuilding operation. In this paper, a shipyard layout design for preliminary phase is conducted for the target of newly planned shipyard at Venezuela of South America with an integrated method that is capable of dealing with actual master data from the shipyard. The layout design method of this paper is differentiated from the previous researches in that the actual product data from the target ship and the actual shipbuilding operation data are used for the required area estimation.

유한요소법을 이용한 프로그레시브 금형 설계에 관한 연구 (A Study on Progressive Die Design by the using of Finite Element Method)

  • 박철우;김영민;김철;김영호;최재찬
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2002년도 춘계학술대회 논문집
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    • pp.1012-1016
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    • 2002
  • This paper describes a research work of developing computer-aided design of a product with bending and piercing for progressive working. An approach to the system for progressive working is based on the knowledge-based rules. Knowledge for the system is formulated from plasticity theories, experimental results and the empirical knowledge of field experts. The system has been written in Auto-LISP on the Auto-CAD with a personal computer and is composed of four main modules, which are input and shape treatment, flat pattern layout, strip layout, and die layout modules. The system is designed by considering several factors, such as bending sequences by fuzzy set theory, complexities of blank geometry, punch profiles, and the availability of a press equipment. Strip layout drawing generated in the strip layout module is presented in 3-D graphic forms, including bending sequences and piercing processes with punch profiles divided into for external area. The die layout module carries out die design for each process obtained from the results of the strip layout. Results obtained using the modules enable the manufacturer for progressive working of electric products to be more efficient in this field.

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셀형 유연조립시스템에서 작업부하 균형을 고려한 통합 배치설계에 관한 연구 (A Study on Even Distribution of Workloads Using Simulated Annealing Method on Integrated Layout Design in Cellular flexible Assembly Systems)

  • 정지용;노인규
    • 한국경영과학회지
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    • 제23권4호
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    • pp.63-73
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    • 1998
  • With the success of flexible manufacturing systems(FMSs), flexible assembly systems(FASs) have been developed to automatic factories further. As in a cellular FMS, a celluar FAS is considered as the most flexible and feasible assembly systems configuration. This paper presents a method for the integrated layout design in cellular FASs. Unlike the traditional paper, this paper deals with the formation of cells and the layout of cells for jobs with operation times on different machines. The procedure in this paper consists of two distinct phases. The first phase presents machine arrangement in a double rows flowline. cell formation not to allow intercellular movements, and integrated layout design in cellular FASs considering the characteristics of FAS, layout, and production factors This phase uses older optimal algorithm. The second phase proposes to balance the system with an objective of reducing the degree of workload deviation in the cells. Simulated annealing method is used to balance the system. This phase also shows the integrated layout design in cellular FASs with the cost less than total cost of the first phase.

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뉴럴 네트워크와 시뮬레이티드 어닐링법을 하이브리드 탐색 형식으로 이용한 어패럴 패턴 자동배치 프로그램에 관한 연구 (Study on Hybrid Search Method Using Neural Network and Simulated Annealing Algorithm for Apparel Pattern Layout Design)

  • 장승호
    • 한국생산제조학회지
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    • 제24권1호
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    • pp.63-68
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    • 2015
  • Pattern layout design is very important to the automation of apparel industry. Until now, the genetic algorithm and Tabu search method have been applied to layout design automation. With the genetic algorithm and Tabu search method, the obtained values are not always consistent depending on the initial conditions, number of iterations, and scheduling. In addition, the selection of various parameters for these methods is not easy. This paper presents a hybrid search method that uses a neural network and simulated annealing to solve these problems. The layout of pattern elements was optimized to verify the potential application of the suggested method to apparel pattern layout design.

셀형 유연조립시스템에서의 통합 배치설계 (Integrated Layout Design in Cellular Flexible Assembly Systems)

  • 최영호;노인규
    • 한국경영과학회지
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    • 제22권4호
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    • pp.133-149
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    • 1997
  • The major two steps required to design a cellular layout are cell formation and cell layout. Because of the differences between manufacturing and assembly operations, the logic of cell formation and cell layout between an FMS and an FAS is not the same. Since the time for the assembly operations is usualaly relatively short, the transfer time is thus very crucial for the performance of assembly systems. Transfore in a cellular FAS it is more important to eliminate backtracking operations in assembly planning, not to allow intercellular movements in cell formation, and to arrange machines according to assembly sequence in cell layout. This study presents a method for the integrated layout design in cellular FASs considering the characteristics of FAS, layout, and production factors.

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HEV UV단자의 스트립 레이아웃과 금형설계에 관한 연구 (Study on the Strip Layout & Die Design of HEV UV Terminal)

  • 최계광;김세환;조윤호
    • 한국산학기술학회논문지
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    • 제11권12호
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    • pp.4691-4696
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    • 2010
  • 본 논문에서는 HEV UV단자를 자동화 모듈인 씨마트론 다이 디자인을 활용하여 스트립 레이아웃설계를 3D로 하였다. 제품의 스탬핑을 원활하게 하기 위하여 스트립 레이아웃을 33.5도 경사지게 수정하여 광폭 1열 1개 뽑기의 내측캐리어를 단 배열로 블랭크 레이아웃을 최적화하였다. 1개의 금형에서 두개의 단자를 공용으로 양산하기 위해 29개 공정으로 3D 스트립 레이아웃설계 및 금형설계를 완성하였다.

초등학교 현상설계 당선안에 나타난 배치 유형에 관한 연구 (A Study on the Layout Patterns in the Prizewinners of Elementary School Design Competitions)

  • 김형진;김상진;이선영;박찬규
    • 교육시설
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    • 제17권5호
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    • pp.11-18
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    • 2010
  • Owing to generalization of design competitions and BTL since 2000s, fresh ideas and concepts had never seen before tried positively. As a result, school design methods in Korea has been more developing. Therefore, to analyze ideas that have been proposed in competitions is important to help developments, for the layout patterns of elementary school designs in the future. Based on these context this study is the most important purpose for analyzing and classifying layout patterns in prizewinners of elementary school design competitions As a result of the analysis, the layout patterns are classified into 8 types : 1) ㄱ type, 2) ㄷ type, 3) ㅁ type, 4) F type, 5) P type, 6) 工 type, 7) ㅌ type, 8) free type.

Constraints satisfaction problem기법을 이용한 조종패널 설계방법

  • 박성준;조항준;정의승;장수영
    • 대한인간공학회:학술대회논문집
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    • 대한인간공학회 1994년도 춘계학술대회논문집
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    • pp.75-84
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    • 1994
  • A control panel layout method based on the constraint satisfaction problem(CSP) technique was developed to generate an ergonomically sound panel design. This control panel layout method attempts to incorporate a variety of relevant ergonomic principles and design constrains, and generate an optimal or, at least, a "satisfactory" solution through the efficient search algorithm. The problem of seeking an ergonomically sound panel design should be viewed as a multiple criteria problem, and most of the design objectives should be understood as constraints. Hence, a CSP technique was employed in this study for dealing with the multi-constraiants layout problem. The efficient search algorithm using "preprocess" and "look ahead" procedures was developed to handle the vast amount of computational effort. In order to apply the CSP technique to the panel layout procedure, the ergonomic principles such as spatial compatibility, frequency-of- use, importance, functional grouping, and sequence-of-use were formalized as CSP terms. The effectiveness of the developed panel layout method was evaluated by example problems, and the results clearly showed that the generated layouts took various ergonomic design principles into account.esign principles into account.

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