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대한산업공학회지

Journal of the Korean Institute of Industrial Engineers

  • : 대한산업공학회
  • : 공학분야  >  기계공학
  • : KCI등재
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  • : 연속간행물
  • : 계간
  • : 1225-0988
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수록정보
수록범위 : 1권1호(1975)~38권2호(2012) |수록논문 수 : 1,231
대한산업공학회지
38권2호(2012년 06월) 수록논문
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KCI등재

1이진배낭문제의 크바탈-고모리 부등식 분리문제에 대한 발견적 기법

저자 : 이경식 ( Kyung Sik Lee )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 74-79 (6 pages)

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An efficient separation heuristic for the rank-1 Chvatal-Gomory cuts for the binary knapsack problem is proposed. The proposed heuristic is based on the decomposition property of the separation problem for the fixedcharge 0-1 knapsack problem characterized by Park and Lee [14]. Computational tests on the benchmark instances of the generalized assignment problem show that the proposed heuristic procedure can generate strong rank-1 C-G cuts more efficiently than the exact rank-1 C-G cut separation and the exact knapsack facet generation.

KCI등재

2스마트 폰 터치스크린에서의 작은 터치 키의 사용성 연구

저자 : 김보람 ( Bo Ram Kim ) , 김태일 ( Tae Il Kim ) , 임영재 ( Young Jae Lim ) , 정의승 ( Eui S Jung )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 80-88 (9 pages)

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This paper focuses on small touch key size and spacing that affect the usability of the smart phones. The experiments examined thirty-six different touch key designs, combinations of four touch key sizes (width (mm) ×height (mm); 4×4, 4×7, 7×4, and 7×7), and nine spacings (horizontal (mm)×vertical (mm); 0×0, 0×1, 0×3, 1×0, 1×1, 1×3, 3×0, 3×1, and 3×3). Forty participants volunteered in the experiment. The completion time, error rate, identification discomfort, and control discomfort were measured. The results revealed that the touch key sizes of 7×7 and 7×4 provide the best performance in terms of the error rate measure, while the touch key size of 7×7 provides the best results for other measures. In addition, touch key spacings of 1×1, 1×3 and 3×1 are regarded as the best for all the measures. The results of this study suggest a practical approach for the small touch key design for the smart phones.

KCI등재

3두 단계 일렬 생산 시스템에서 뱃치 생산과 재고 배급 전략의 통합 구현

저자 : 김은갑 ( Eun Gab Kim )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 89-97 (9 pages)

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This paper considers a manufacturer with a two-station make-to-stock and make-to-order serial production system. The MTS facility produces a single type of component and provides components for the MTO facility that produces customized products. In addition to the internal demand from the MTO facility, the MTS facility faces demands from the spot market with the option of to accept or reject each incoming demand. This paper addresses a joint component inventory rationing and batch production control which maximizes the manufacturer`s profit. Using the Markov decision process model, we investigate the structural properties of the optimal inventory rationing and batch production policy, and present two types of heuristics. We implement a numerical experiment to compare the performance of the optimal and heuristic policies and a simulation study to examine the impact of the stochastic process variability on the inventory rationing and batch production control.

KCI등재

4제품, 공정, 서비스 통합 설계를 지원하는 제품자료모델

저자 : 도남철 ( Nam Chul Do )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 98-106 (9 pages)

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The current market preassure of least environmental effects of products needs companies to consider whole life cycle of their products during their design phase, To support the integrated and collaborative development of the products, this paper proposed product data model for extended Product Data Managemen (PDM) that can support integrated design of product, manufacturing process, and customer services, based on the consistent and comprehensive PDM databases. The product data model enables design, manufacturing, and service engineers to express their products and services efficiently, with sharing consistent product data, engineering changes, and both economical and environmental evaluations on their design alternatives. The product data model was implemented with a prototype PDM system, and validated through an example product. The result shows that the PDM based on the proposed product data model can support the integrated design for products, manufacturing process, and customer services, and provide an environment of collaborative product development for design, manufacturing and service engineers.

KCI등재

5복수품종 공급사슬에서의 동적 변동 용량 설비의 위치 선정 문제

저자 : 이시우 ( Shi W Lee )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 107-115 (9 pages)

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This paper concerns a dynamic capacitated facility location problem distributing multi-commodities over the multi-echelon supply chain network, where many different products are distributed over different layers of supply chain during a time horizon to satisfy customers` demand. The capacities and locations of facilities are responsively and dynamically changed for supply chain to operate more efficiently and respond quickly to demand changes. Since facility relocations and capacity transfers take considerable resources in a significant lapse, a strategic planning effort for these projects is required to avoid failing to satisfy customers` orders. When the facility relocations or capacity transfers are carefully planned to satisfy the demands at less costs, the unavailability during the relocation of facilities or change of the capacities in multi-echelon supply chain with multicommodities can be justified. Computational results show that the proposed mixed integer programming model is effective.

KCI등재

6비정상적 수요를 갖는 품목들의 통합발주정책

저자 : 양영현 ( Young Hyeon Yang ) , 김종수 ( Jong Soo Kim ) , 김태영 ( Tai Young Kim )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 116-124 (9 pages)

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This paper concerns a joint replenishment problem for a single buyer who sells multiple types of items to end-customers. The buyer periodically replenishes the inventory of each item to a preset order-up-to-level to satisfy the end customers` demands, which may be non-stationary. A joint replenishment policy characterized by variable order-up-to-levels is proposed for the buyer who wishes to minimize the expected cost of operating the retail system. The proposed policy starts each period by calculating the expected cost of ordering and not ordering action based on the information of the current inventory position and forecasted demand for the upcoming period. It then takes advantage of an integer programming model to get a cost effective joint replenishment plan. Computer experiment was performed to test efficiency of the proposed policy. When compared with the most efficient policy currently available, our policy showed a considerable cost savings especially for the problems having non-stationary demands.

KCI등재

7영역기준 위치등록의 성능 분석

저자 : 정지희 ( Ji Hee Jung ) , 박종훈 ( Jong Hun Park ) , 백장현 ( Jang Hyun Baek )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 125-132 (8 pages)

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In this study, we consider zone-based registration (ZBR). In the ZBR, when a mobile station (MS) enters a new location area (LA), it registers its location, Among various types of ZBR, we focus on two zone-based registration with outgoing call (TZRC) that is an improved version of the two zone-based registration (TZR), In the TZR, an MS can store two LAs that it registers recently not to register when it crosses two LAs stored already. In general, TZR has better performance than single zone-based registration (SZR). However, since the TZR may increase paging cost, TZRC was proposed to decrease paging cost. Mathematical analysis is performed to obtain the exact performance of SZR, TZR, TZRC, from the numerical results for various circumstances, it is shown that TZRC outperforms TZR and SZR in most cases.

KCI등재

8문화적 차이를 중심으로 본 사회적 로봇 디자인을 위한 인간 동작의 분석

저자 : 양의정 ( Eui Jung Yang ) , 황원일 ( Won Il Hwang )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 133-143 (11 pages)

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The study on social robots has been actively conducted in the robot research community. In the area of robot design, however, there are few studies regarding robot motions that are one of the methods for interaction between humans and robots. This is a preliminary study to find preferred human motions that can be applied to social robots. We conducted a two-phased empirical study about preferred human motions. In the first phase, four representative human motions, such as ``greeting``, ``I don``t know``, ``positive answer``, and ``giving``, were captured through 28 body makers and video recording. 10 young and 6 elderly Singaporeans participated in the motion capture process. In the second phase, the communication efficiency, emotion, and satisfaction of the human motions recorded in the first phase were measured by a questionnaire and 31 young Koreans, 35 young Singaporeans participated to investigate cultural differences. We drew the conclusion that motions used in the same culture are efficient in communication and also give friendliness and satisfaction. In addition, regardless of user`s culture, young people`s motions and female motions were preferred in terms of communication efficiency, emotional aspect, satisfaction.

KCI등재

9실물옵션을 이용한 신재생에너지 R&D의 경제적 가치 및 최적 적용시점 평가

저자 : 김경택 ( Kyung Taek Kim ) , 이덕주 ( Deok Joo Lee ) , 박성준 ( Sung Joon Park )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 144-156 (13 pages)

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In recent years, advanced countries in energy sector are emphasizing the importance of the development and deployment of renewable energy to cope with the global environmental crisis such as depletion of fossil energy, climate convention to control emissions of greenhouse gases. In this paper, we evaluate the economic value of the investment in new and renewable energy R&D in Korea and optimal deployment timing of new and renewable energy by using the real option approach. The real option model adopted in this paper assumes that a decision maker has a compound option to abandon, deployment, or continue the R&D. As a result by using empirical data of Korea, it is found that there exists a considerable amount of positive real option value (ROV) in the investment of new and renewable energy R&D while its net present value (NPV) calculated by traditional discounted cash flow (DCF) model shows negative value.

KCI등재

10컨테이너 터미널에서 베이 내 컨테이너의 최적 재정돈을 위한 A 알고리즘

저자 : 하병현 ( Byung Hyun Ha ) , 김상수 ( Sang Su Kim )

발행기관 : 대한산업공학회 간행물 : 대한산업공학회지 38권 2호 발행 연도 : 2012 페이지 : pp. 157-172 (16 pages)

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In most container terminals, containers are piled up and stored in a yard in order to utilize the space efficiently. Hence, it requires unproductive container-handling operations to retrieve a container that is not placed on the top of a container stack. As a result, to streamline container-loading operations by which containers are transferred from a yard to a vessel, it is necessary to pre-marshal (i.e., shuffle in advance) containers in accordance with container-loading plan. We propose A* algorithm to find the optimal container-relocation sequence for the intra-bay container pre-marshalling problem. To work out the heuristic estimate for the proposed A* algorithm, we introduce the container rearrangement problem and obtain the lower bound of the length of the optimal relocation sequence. The performance of the algorithm is validated extensively by the numerical experiments on the problem instances that are given in the previous studies and generated randomly with various parameters.

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(2006)홍길동41회 피인용

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