• 제목/요약/키워드: work-flexibility

검색결과 457건 처리시간 0.028초

Control Methodology of Inverse Response Process

  • Pratch, Tontirittiphol;Kiattisak, Kumwachara;Mongkol, Janchookiat
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 2002년도 ICCAS
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    • pp.48.6-48
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    • 2002
  • in this paper, each methodology, e.g. normal single PID controller, direct synthesis method and inverse response compensator, will be compared to determine the best inverse response plant control method, by based on the appearance of the control performance and robustness from the simulation results. The flexibility of being able to maintain the system stability during the presence of plant model mismatch is one of the criteria to measure the robustness of overall control system. Once, plant has changed the condition, the model will need to be updated. Hence, the designed controller will not work properly. The caused of plant model mismatch is stayed by definition unknown but the most possib...

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화재영향 평가 제도화 추진에 관한 연구 (The Study of Promotion for Fire Assessment System)

  • 김광일;윤명오
    • 한국화재소방학회논문지
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    • 제10권1호
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    • pp.25-43
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    • 1996
  • This paper has been studied about promotion system for fire assessment. Mainly system carried out for BCJ (Building Center of Japan) and JFSC (Japan Fire Safety Center) fire risk assessment system. Much of the work of fire science and fire protection engineering is now explicitly designed to fill gaps or improve accuracy or flexibility In some comprehensive fire hazard or fire risk models.

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유연생산(柔軟生産)시스템에서의 버퍼시스템 설계(設計) (Buffer System Design in the Flexible Manufacturing System Environments)

  • 강희정;김환성;조남호
    • 품질경영학회지
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    • 제20권2호
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    • pp.118-128
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    • 1992
  • The determination of appropriate buffer capacity is an important issue in the design of the advanced manufacturing systems and closely related to the system efficiency and flexibility. Work-in-process is usually not desirable. However, in reality, maintaining some capacity of buffer storage is inevitable in compensation for the machine blocking and break down. The objective of this paper is to present analytical methods and tools for the buffer capacity planning in the Flexible Manufacturing System Environments. The effects when machine blocking is critical factor are also discussed.

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진보된 E-learning 환경으로써 Second Life의 탐색 아이디어와 가능성 (Exploring ideas and possibilities of Second Life as an Advanced E-learning Environment)

  • 백영균
    • 한국산학기술학회:학술대회논문집
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    • 한국산학기술학회 2009년도 춘계학술발표논문집
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    • pp.280-283
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    • 2009
  • Web 2.0 is changing the paradigm of using the Internet which is affecting the e-learning paradigm. E-learning 2.0 based on the Web 2.0 has a bottom-up approach which learners work on content with social networking and collaboration in their own cyberspace. Second Life is presented as a new e-learning environment. - Flexibility, - Strong social networking, - Residents’ creative activities of Second Life ⇨ Unlimited potential to educators Second Life is a classroom built in 3D cyber space.

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Workload에 따른 FMS의 버퍼 Capacity 결정에 관한 연구

  • 이정표
    • 한국시뮬레이션학회:학술대회논문집
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    • 한국시뮬레이션학회 2000년도 춘계학술대회 논문집
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    • pp.131-136
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    • 2000
  • FMS(Flexible Manufacturing System, 유연생산 시스템)는 1960년대 최초로 소개된 이후, 뛰어난 Throughput과 Flexibility로 지금까지 다양한 생산 현장에서 널리 활용되고 있다. 하지만 복잡한 Part의 흐름, 충분하지 못한 AGV(Automated Guided Vehicle) 등으로 인한 성능 저하는 가장 큰 장애물이라 할 수 있다. 이에 대한 대비책으로 시스템 내에 설치하는 버버는 일시적인 WIP(Work In Process, 재공재고)의 저장공간으로써 Blocking, Starving 등의 발생을 최소화하는 역할을 수행한다. 따라서 이러한 버퍼의 적절한 배치는 시스템 성능에 큰 영향을 미치게 되며, 이에 본 연구에서는 각 Workstation의 Workload를 고려해 각 버퍼의 적절한 Capacity를 결정하는 과정을 소개하며, 제시된 방법론의 실효성을 시뮬레이션을 통해 검증하고자 한다.

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초등 영재의 페르미 추정을 통한 창의적 문제해결력 분석 (Elementary Gifted Students' Creative Problem Solving Through Fermi Estimate)

  • 허정인;노지화
    • East Asian mathematical journal
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    • 제40권2호
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    • pp.167-181
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    • 2024
  • This study explored the characteristics of elementary gifted students' creative problem-solving skills combining creativity and problem-solving ability based on their work on Fermi estimation problems. The analysis revealed that gifted students exhibited strong logical validity and breadth but showed some weaknesses in divergent thinking abilities (fluency, flexibility, originality).

다자간 협동 공학설계를 위한 DCWA 시스템의 설계 및 구현 (Design and Implementation of Distributed Collaborative Writing System for Engineering Design Process)

  • 이병걸
    • 한국멀티미디어학회논문지
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    • 제3권1호
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    • pp.63-76
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    • 2000
  • 기존의 CSCW (Computer Supported Collaborative Work) 시스템은 단순히 문서나 메시지를 구성하고 전달하는 기능만을 지원할 뿐 협동 작업자들간의 조직구성, 업무분할 및 통합, 작업흐름 제어와 같은 인지학적 기능등은 효과적으로 반영하지 못하고 있다. 본 연구는 협동작업환경에서의 CAD(Computer Aided Design)/CASE(Computer Aided Software Engineering)와 같은 공학 디자인 프로세스를 인지학적으로 지원하기 위한 CSCW 시스템을 개발하는 데 그 목적이 있다. 제안된 DCWA (Distributed Collaborative Writing Aid) 시스템은 CAD/CASE 및 시뮬레이션 기능을 하나의 시스템으로 통합함으로써 조직구성, 업무분할, 작업흐름제어가 이들 기능에 통일적으로 적용될 수 잇도록 하였다. 특히 CAD 도구에서는 다중 사용자들 소유의 그림객체 간의 바인딩, 어태치먼트, 스케일링 기능들은 제공하여 결합 형태 및 정도를 나타내는 관계성 표현이 가능하도록 함으로써 업무분할 및 병합이 CAD 도구에서도 명확히 드러나도록 하였고, CASE 도구에서는 소프트웨어 시뮬레이션 기능과 연계하여 작업흐름 제어가 용이하도록 하였다. 이는 또한 제품을 생산하기 전에 미리 모형을 시뮬레이션 해봄으로써 제품 개발의 시간과 비용을 단축할 수 있는 효과를 가져다 준다.

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대칭구동 원리에 의한 폴리머 액추에이터의 모델링 (Modeling of Antagonistically Driven Polymer Actuator)

  • 정민영;정광목;최혁렬;남재도;이영관;구자춘
    • 제어로봇시스템학회논문지
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    • 제10권11호
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    • pp.1000-1005
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    • 2004
  • Many different polymeric materials are introduced fur the alternative solutions of electro-mechanical actuators. Although light weight and grate flexibility of the material deserves notable attention from enormous publications, few of the publication has discussed feasibility study for actual industrial applications. Most of the previous work demonstrated plain movement of the material without delineating any design concept that guarantees 'controllable action'. The present work introduces a noble design concept that provides controllable action and the concept is verified through a modeling and a simulation of the actuation method.

후기산업사회의 오피스 변화에 관한 연구-복합기능형 오피스- (A Study of Future Office on Postindustrial Society-Hybrid Office-)

  • 민찬홍
    • 한국실내디자인학회논문집
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    • 제4호
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    • pp.53-60
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    • 1995
  • Recently, much attention is paid on the office design be-cause the real world of work has undergone substantial changes, in both spatial and temporal aspects, due to the in-troduction of data processing technologies and new types of production. Today's renewed objectives of office are to define new physical space for work, to deal with economic and organizational changes. In the period of information, the purpose of an office is to improve the productivity for employers employees the comfort and vitality. Today's intellecture resources are necessary for the development in the modern business. The Hypid office, as an alternative in order to correspond the rapid changes, is proposed to give the space for satisfy-ing the basic desires of a human being-eating, resting and working. Accompanying with flexibility and comfortability, this office should include the space for personal purpose and the space for social purpose. Applying the concept of comfort like at home leads to re-lease a worker's stress from the society of information. The future office which is to enhance the quality of culture by in-tegrating indivisual, domestic and social life should commu-nicate efficiency, movement, energy, transformation.

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관련작업을 고려한 혼합모델 조립라인 밸런싱 (Mixed Model Assembly Line Balancing with the Related Task Consideration)

  • 김여근;곽재승
    • 한국경영과학회지
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    • 제18권2호
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    • pp.1-22
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    • 1993
  • This paper deals with the problem of mixed model assembly line balancing. In mixed model assembly lines, tsks should be assigned to stations in such a manner that all stations have approximately the same amount of work on a production cycle basis. Further in balancing assembly lines, the related tasks, the performing task side and the team tasks should be considered to improve work methods, to give more job satisfaction to workers, and to allow greater flexibility in the design of assembly lines. In this paper, the heuristic dispatch assignment rule is developed to assign evenly tasks of each model to all stations. The heuristic method based on the assignment rule developed is presented for mixed model assembly line balancing with the considerations of the related tasks, the performing task side, and the team tasks. The proposed method is analyzed, and compared with other methods for line balancing.

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