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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Korean Institute of Industrial Engineers
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Korean Institute of Industrial Engineers
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Volume & Issues
Volume 34, Issue 4 - Dec 2008
Volume 34, Issue 3 - Sep 2008
Volume 34, Issue 2 - Jun 2008
Volume 34, Issue 1 - Mar 2008
Selecting the target year
Reverse Logistics : Research Issues and Literature Review
Lee, Dong-Ho ; Kim, Hwa-Joong ; Kim, Ji-Su ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 270~288
Among various environmental issues, those for worn-out products are increasingly important due to rapid development and improvement of products, shortages of dumping sites and waste-incineration facilities, and legislation pressures and customer recognitions to protect the environment. Under such circumstances, collection and product recovery activities give rise to additional material flows from customers back to collectors and reprocessors. Reverse logistics, the opposite direction of the conventional forward logistics, is concerned with the management of this material flow. In this paper, we consider the emerging concept of reverse logistics. First, the concept of sustainable development is explained to explain the philosophical background of various environmental issues. Second, we explain the basics of reverse logistics, which includes the overall structure and the classification of network types. Finally, we review the previous research articles, especially in the aspect of industrial engineering, after classifying the decision problems into : (a) product recovery strategy; (b) network design and operation; (c) inventory management; (d) disassembly problems; and (e) remanufacturing problems.
A Shared-Route Decision Algorithm for Efficient Multicast Routing
Cho, Kee-Seong ; Jang, Hee-Seon ; Kim, Dong-Hui ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 289~295
The shared-route decision algorithms in multicasting communications networks to provide the internet-based services such as IPTV, remote education/health, and internet broadcasting are presented. The three main measures of maximum delay, average delay and estimated delay between each node and member are adopted. Under the Mesh network with the uniform random cost between each node, the algorithm's performance is compared to the optimal solution with the minimum cost by all enumeration. The simulation results show that the algorithm using the estimated delay outperforms the other two methods.
A Real Time Integrated Dispatching Logic for Semiconductor Material Flow Control Considering Multi-load Automated Material Handling System
Suh, Jungdae ; Faaland, Bruce ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 296~307
A semiconductor production system has sophisticated manufacturing operations and needs high capital investment for its expensive equipment, which warrants efficient real-time flow control for wafers. In the bay, we consider material handling equipment that can handle multiple carriers of wafers. The dispatching logic first determines the transportation time of each carrier to its destination by each unit of transportation equipment and uses this information to determine the destination machine and target carrier. When there is no available buffer space at the machine tool, the logic allows carriers to stay at the buffer of a machine tool and determine the delay time, which is used to determine the destination of carriers in URL. A simulation study shows this dispatching logic performs better than the procedure currently in use to reduce the mean flow time and average WIP of wafers and increase efficiency of material handling equipment.
Economic Analysis for Detection of Out-of-Control of Process Using 2 of 2 Runs Rules
Kim, Young Bok ; Hong, Jung Sik ; Lie, Chang Hoon ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 308~317
This research investigates economic characteristics of 2 of 2 runs rules under the Shewhart
control chart scheme. A Markov chain approach is employed in order to calculate the in-control average run length (ARL) and the average length of analysis cycle. States of the process are defined according to the process conditions at sampling time and transition probabilities are derived from the state definitions. A steady state cost function is constructed based on the Lorezen and Vance(1986) model. Numerical examples show that 2 of 2 runs rules are economically superior to the Shewhart
chart in many cases.
Heuristic Algorithm for the Single-machine Scheduling with Periodic Maintenance
Lee, Sang-Heon ; Lee, In-Gu ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 318~327
This paper considers a single-machine scheduling problem with availability constraints. In many realistic situations, machines may not be always available due to various reasons such as maintenance, breakdown and repair. However, most literature on scheduling assume that the machines are available at all times. This paper deals with a single-machine scheduling problem with periodic maintenance. If the maintenance decision is made jointly with the job scheduling, the system will be more effective. The objective is to minimize the total completion time of jobs. This problem is proved to be NP-hard in the strong sense. The proposed breaking heuristic(BH) algorithm rule is established by some theorems and conditions. Our computational results show that the BH algorithm is much more efficient than existing heuristic.
Economic-Statistical Design of Adaptive Moving Average (A-MA) Control Charts
Lim, Tae-Jin ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 328~336
This research proposes a method for economic-statistical design of adaptive moving average (A-MA) charts. The basic idea of the A-MA chart is to accumulate previous samples selectively in order to increase the sensitivity. The A-MA chart is a kind of adaptive chart such as the variable sampling size (VSS) chart. A major advantage of the A-MA chart over the VSS chart is that it is easy to maintain rational subgroups by using the fixed sampling size. A steady state cost rate function is constructed based on Lorenzen and Vance (1986) model. The cost rate function is optimized with respect to five design parameters. Computational experiments show that the A-MA chart is superior to the VSS chart as well as to the Shewhart
chart in the economic-statistical sense.
Optimum Parameter Values for A Metal Plating Process
Kim, Young-Jin ; Hong, Sung-Hoon ; Lee, Min-Koo ; Kwon, Hyuck-Moo ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 337~343
The problem of determining the optimum metal plating thicknesses on the plane and curved surfaces of an electronic part is considered. A lower specification limit for the plating thickness is usually pre-specified. In most applications, the plating thickness on the curved surface is proportional to that on the plane surface. The proportion can be adjusted by adding chemical catalysts to the plating fluid. From the economic point of view, nonconforming items with a thickness smaller than the lower specification limit incur rejection costs, such as rework and scrap costs, while a thicker plating may incur an excessive material costs. In this article, an economic model is proposed for simultaneously determining the target plating thickness and the ratio of the plating thickness on the plane surface to that on the curved surface. An illustrative example demonstrates the applicability of the proposed model.
A Study on Korea Government ITA Meta-Model Tailoring for National Defense Architecture Development
Jang, Jae-Deuck ; Park, Young-Won ; Park, Cheol-Young ; Lee, Jung-Yoon ; Koo, Yeo-Woon ; Kim, Yeon-Tea ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 344~354
The ITA meta-model descriptions being promoted by Korean government was developed to build information technology architecture for applications in public institutions. However, the application of this ITA meta-model is not easy because of the complexity and overlapping between classes and attributes which reside in the ITA meta-models. Additionally, the National Defense Architecture is planned for development using the MND-AF. Since the National Defense Architecture must align with the Government ITA for interoperability and consistency, it is crucial the differences in the meta-models between MND-AF and Government ITA must be resolved. This study presents the trade-off results between the meta-models of MND-AF and Government ITA. It also proposes a set of tailored meta-models for use with the National Defense architecture development. The tailored meta-models use an ERA (Element, Relationship, Attribute) data structure that decreases complexity and eliminates the overlapping between classes and attributes.
Conjoint Analysis for Contract Strategy for Promoting Successful Transfer of Patented Technology in Korean University
Ku, Min Joung ; Sohn, So Young ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 355~361
Technology developers in academia tend to be short of professional knowledge and recognition of technology transfer strategies. It is even severe in Korea where the concept of employee's invention has just started to effect in academia. Wasteful contract negotiation disputes cannot only be painful but also can hamper better invention. The main purpose of this paper is to design guidelines for an optimal contract strategy for technology transfer from the perspective of the technology developer in academia, the intermediary and the receiver. Applying conjoint analysis, this study shows not only the relative importance of the attributes related to the technology transfer contract but also the most important conditions of the contract. It is expected that this study may improve the efficiency of technology transfer activities in academia in Korea.
A Genetic Algorithm for Integrated Inventory and Routing Problems in Two-echelon VMI Supply Chains
Park, Yang-Byung ; Park, Hae-Soo ;
Journal of Korean Institute of Industrial Engineers, volume 34, issue 3, 2008, Pages 362~372
Manufacturers, or vendors, and their customers continue to adopt vendor-managed inventory(VMI) program to improve supply chain performance through collaboration achieved by consolidating replenishment responsibility upstream with vendors. In this paper, we construct a mixed integer linear programming model and propose a genetic algorithm for the integrated inventory and routing problems with lost sales maximizing the total profit in the VMI supply chains which comprise of a single manufacturer and multi-retailer. The proposed GA is compared with the mathematical model on the various sized test problems with respect to the solution quality and computation time. As a result, the GA demonstrates the capability of reaching solutions that are very close to those obtained by the mathematical model for small problems and stay within 3.2% from those obtained by the mathematical model for larger problems, with a much shorter computation time. Finally, we investigate the effects of the cost and operation variables on the total profit of the problem as well as the GA performance through the sensitivity analyses.