• 제목/요약/키워드: Order-based production

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수주산업의 DFSS 적용사례 연구 (A Case Study of Design for Six Sigma for Order-Based Industry)

  • 성수경;김준석;변재현
    • 한국품질경영학회:학술대회논문집
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    • 한국품질경영학회 2010년도 춘계학술대회
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    • pp.454-461
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    • 2010
  • Six sigma is a business management strategy and is used to improve the quality of the products and processes in many organizations. However traditional six sigma methodology, namely DMAIC, is not suitable for developing products. This paper investigates DFSS methodologies and presents a DFSS methodology for order based industry. Specifically, we suggest a customized DMADV method for order based industry and present a case study for developing a configuration optimization of the flying simulators.

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Multiobjective Hybrid GA for Constraints-based FMS Scheduling in make-to-order Manufacturing

  • Kim, Kwan-Woo;Mitsuo Gen;Hwang, Rea-Kook;Genji Yamazaki
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2003년도 ISIS 2003
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    • pp.187-190
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    • 2003
  • Many manufacturing companies consider the integrated and concurrent scheduling because they need the global optimization technology that could manufacture various products more responsive to customer needs. In this paper, we propose an advanced scheduling model to generate the schedules considering resource constraints and precedence constraints in make-to-order (MTO) manufacturing environments. Precedence of work- in-process(WIP) and resources constraints have recently emerged as one of the main constraints in advanced scheduling problems. The advanced scheduling problems is formulated as a multiobjective mathematical model for generating operation schedules which are obeyed resources constraints, alternative workstations of operations and the precedence constraints of WIP in MTO manufacturing. For effectively solving the advanced scheduling problem, the multi-objective hybrid genetic algorithm (m-hGA) is proposed in this paper. The m-hGA is to minimize the makespan, total flow time of order, and maximum tardiness for each order, simultaneously. The m-hGA approach with local search-based mutation through swap mutation is developed to solve the advanced scheduling problem. Numerical example is tested and presented for advanced scheduling problems with various orders to describe the performance of the proposed m-hGA.

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남성정장의 대량맞춤생산을 위한 MTM CAD시스템 활용실태연구 (A Study on the Use of MTM CAD Program for Mass Customization of Men′s Suit)

  • 천종숙;임호선
    • 복식문화연구
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    • 제11권5호
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    • pp.647-656
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    • 2003
  • Mass customization utilizes the new computer technologies, supply chain management, product information management, and some level of customization of the product for the individual customer. This study aimed at grasping the actual conditions of mass customization of domestic men's suit industry and the use of MTM CAD program. The MTM apparel production programs that are used by five leading men's suit manufacturers in Korea were compared. The results of the study showed that most of the manufacturers produced mass customized men's suits to supply extraordinarily large or small size suit based on the individual order. The information listed on an order sheet used at shops was not necessarily corresponding to the information in the MTM CAD program that is use for production of suit ordered from the shop. The pattern data base on the MTM CAD program are constructed based on the sizing system of individual manufacturer. The most manufacturers translated the customer's body dimensions into difference between the standard pattern and the customer's needed adjustment.

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유연생산시스템에 있어서의 투입우선규칙에 관한 연구 (A Study on Dispatching Rules in a Flexible Manufacturing System)

  • 이근형;황승국;이강우
    • 산업경영시스템학회지
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    • 제22권52호
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    • pp.191-201
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    • 1999
  • There have been a huge volume of researches concerning dispatching rules in job shop environments. Strangely, studies all but one pay no attention to multiple identical jobs due to the existence of production orders each of which calls for a fixed quantity, called an order size, of a specific part. Jobs arrive in the form of production orders in most, if not all, job shop type flexible manufacturing systems. This paper presents simple processing-time-based dispatching rules, and shows experimentally based on simulation that the rules with order-size considerations perform consistently well for tardiness and utilization measures. Several alternative strategies for rule specifications are examined.

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SOA 환경 기반의 의류 생산지원 시스템 설계 및 구현 (Design and Implementation of Apparel Product Support System based on SOA Environment)

  • 한종진;최동운;송행숙
    • 한국콘텐츠학회논문지
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    • 제8권4호
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    • pp.1-9
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    • 2008
  • SOA는 기존 애플리케이션들이 가진 기능을 사업적인 의미를 가지는 기능 단위로 분류하고, 표준화된 호출 인터페이스를 통해 서비스라는 컴포넌트 단위로 재조합한다. 본 논문에서 개발한 시스템은 생산원자재의 절약과 주문 시 생산 시점 예측한다. 그리고 적정한 재고 유지로 원부자재 구입비용과 생산비용을 절감하여 회사의 경쟁력을 증가시킨다. 또한 업체의 생산 공정 및 원부자재 수급 현황을 정확히 분석하여 이를 반영한 SOA 기반의 다품종 소량 생산을 위한 생산관리 시스템을 설계하고 구현하였다.

패션소품생산 분야의 국가직무능력표준 기반 교육훈련자격 설계에 관한 연구 (Study of 'Education-Training-Certificate of Qualification' Design for the Fashion Accessories Production Based on the National Competency Standards)

  • 서승희;이신영
    • 복식
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    • 제65권2호
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    • pp.125-143
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    • 2015
  • This study is to propose an 'education-training-certificate of qualification' design of fashion accessories production, which can be applied to education in universities and individuals. It is based on the National Competency Standards (NCS), which was developed through the '2013 National Competency Standards Development Project' for the fashion accessories production. FGI (Focus Group Interviews), which is a research methodology, is carried out on target groups of educational experts and specialists in the field of fashion accessories production. Through this, five courses were suggested; first, 'fashion accessories design' course was proposed for the education and training of 'design development' and 'development of raw materials'. Secondly, 'fashion product production' course was proposed for the education and training of 'production of samples'. Thirdly, 'fashion product manufacture and planning' course was proposed for the competency element units: 'calculation of cost', 'determination of mass production model and price', 'planning of the main manufacturing process' and 'ordering of raw materials'. Lastly, 'mass production of fashion products' course and the 'field practice of fashion product manufacture' course were proposed for the competency element units: 'planning for mass production', 'preparation for mass production', 'mass production' and 'inspection of completed products'. In addition, a new certificate of 'technician of fashion accessory production' was proposed in order to test qualified skills for the fashion accessories production. The test is composed of a written examination of short-answer questions, technical drawing and production.

전자부품 생산 Line에 있어서 Lean 생산방식 적용에 대한 실증적 고찰 (A Case-Study of Implementing Lean Production System in Manufacturing Electronic Components)

  • 이상천;왕중일
    • 산업공학
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    • 제12권3호
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    • pp.468-479
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    • 1999
  • Lean production system can be defined as customer(product)-oriented production system with small lot size and flow-shop layout based on the JIT(Just-in-time) principles. In this paper, we introduce a case example of implementation of the Lean product ion system for manufacturing line of electronic component which has both machine processes and manual jobs. We also investigate the issues of implementing the Lean production system with the viewpoints of layout design scheme and JIT management rules. In the layout design, we propose the cell-line which has flow-shop layout with small lot size. In the management rules, the superior cell rule is applied in order to boost the needs of kaisen up. As the results of implementing the Lean production system, production lead time is decreased from 5 days to 1.5 days and also productivity and quality level arc surprisingly increased.

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Integrated engineering environment for the process FEED of offshore oil and gas production plants

  • Hwang, Ji-Hyun;Roh, Myung-Il;Lee, Kyu-Yeul
    • Ocean Systems Engineering
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    • 제2권1호
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    • pp.49-68
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    • 2012
  • In this paper, an offshore process front end engineering design (FEED) method is systematically introduced and reviewed to enable efficient offshore oil and gas production plant engineering. An integrated process engineering environment is also presented for the topside systems of a liquefied natural gas floating production, storage, and offloading (LNG FPSO) unit, based on the concepts and procedures for the process FEED of general offshore production plants. Various activities of the general process FEED scheme are first summarized, and then the offshore process FEED method, which is applicable to all types of offshore oil and gas production plants, is presented. The integrated process engineering environment is presented according to the aforementioned FEED method. Finally, the offshore process FEED method is applied to the topside systems of an LNG FPSO in order to verify the validity and applicability of the FEED method.

KF-X 양산 사업의 경제적 파급효과 분석 (Analysis of the Economic Impacts for KF-X Production Project)

  • 설현주
    • 시스템엔지니어링학술지
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    • 제9권2호
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    • pp.55-68
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    • 2013
  • This study aims to analyze how much KF-X production impacts on national economy by measuring economic spread effect based on inter-industry analysis. In order to evaluate the economic impact of KF-X production, we used input-output table of year 2007 of Korea. The results shows that KF-X production induces the production of 3,129 billon won and the value added of 1,206 billon won respectively. Also there are the creation of about 13,208 employment in the industry. The results from this study can be used as a basis for the further research on whether or not KF-X production could be processed.

The Added-Value Metric - A Complementary Performance Measure for Six Sigma and Lean Production

  • Setijono, Djoko;Dahlgaard, Jens J.
    • International Journal of Quality Innovation
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    • 제8권1호
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    • pp.1-14
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    • 2007
  • The Six Sigma and Lean Production methodologies suggest that creating value for customers is the objective of a production process or an organisation. In the production context, "added value" dominates the discussion about the creation of value to customers. However, "added value" is often only defined conceptually or discussed at a strategic level, and the link between added value and customer value has not yet been well conceptualised. Therefore, the purpose of the paper is to develop a methodology to measure added value in order to complement the existing performance measures in Six Sigma and Lean Production by conceptualising the link between customer value and added value. The conceptual link "confirms" that quality, time, and costs are the elements of added value, which are transformed into a metric to express customer value. The implementation of the metric recommends the adoption of Lean (Six) Sigma and Lean Accounting (Activity Based Costing), which thus implies that "leanness" is an important "feature" of added value.