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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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Journal DOI :
Korean Institute of Industrial Engineers
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Volume & Issues
Volume 1, Issue 2 - Dec 1975
Volume 1, Issue 1 - Jun 1975
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A Case Study on the Method for Finding the Product Mix by the Use of LP Model
Lee, Sun-Yo ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 41~56
In the past the pattern of business down-trend usually appeared in the form of, first, decrease in facility investment, then decrease in inventory level, followed by reduced level of consumption. But the pattern nowadays is becoming just the opposite, that is, first, consumption decrease, then inventory level increase, followed by restriction of facility investment. Also in the past, the greater effort was placed in strengthening of hardware areas through optimization and modernization of production means on the premise of sales. But lately software areas take most of the main effort to establish production mean with sales as its objective. Under these circumstances one of the real problems facing production activities today is the conflicting relationship between sales and production functions. This occurs due to differences of their view points. Then, in order to achieve maximum profit at the least cost, which is the ultimate objective of a production activity, the need arises to effectively coordinate sales demand and plant production capacity. For this purpose strong control means and function must be devised. In our case study example we illustrate a management technique for a combined planning function, of optimal coordination of product mixes utilizing a computerized linear programming model as control means of attaining maximum profit. It is hoped that this example help achieve some of corporate objectives.
An Evaluation Method for Scientists and Engineers in Project - oriented R&D Organizations
Park, Sun-Dal ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 57~65
A perfect evaluation for scientists and engineers is impossible unless the R&D process is fully explored. But the study in this area is being intencified, and consequently progress is being made. In this paper an evaluation method for scientists and engineers in project-oriented R&D organizations is developed. That is, a method that the evaluation for the job performance directly influences personnel management such as promotion, and the evaluation for their potential, characteristics influences indirectly. Further systematization of evaluation process, which is no less importatant than evaluation itself, is attempted
Efficiency of Shortest - route Algorithms
Jeong, Su-Il ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 67~71
This paper studies the efficiency of four algorithms in determining the shortest-route length between two specified nodes of a network in which every pair of nodes is connected by two nonnegative length arcs. The efficiency is measured in terms of number of additions and comparisons in computation of the shortest-route length. Also, each algorithm is programmed on the IBM 1130 for solving for example problems, and the computing time is measured for further efficiency comparisons.
A Comparative Study of Industrial Relations among Korea, the United States and Japan with Special Reference to Worker's Propensity to Move
Kim, Su-Gon ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 73~77
In an earlier study Whitehill and Takezawa found the American worker's higher propensity to move from one employer to another as compared to the Japanese system of life time employment. Their cultural continuum checklist was administered to 1467 Korean workers. This study finds that in spite of the East-Asian geographical and cultural proximity shared between Korea and Japan, the Korean workers are more willing than Japanese to move freely from one firm to another, as vindicated by the Korean industry's higher average monthly separation rates.
Optimal Time-sequential Fire Support Strategies
O, Myeong-Ho ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 79~86
The optimal time-sequential distribution of supporting fire against enemy ground units in combat against attacking friendly units is studied. Lanchester type models of warfare are combined with optimal control theory in this investigation. The optimal time-sequential fire-support policy is characterized for a specific problem. Although complete details for the determination of the optimal policy are not given, it is conjectured, on the basis of the theorems which were proved, that for this problem the optimal policy is to always concentrate all supporting fire on the same enemy unit until supporting fire must be lifted.
The Generation of Poisson Random Variates
Park, Chae-Ha ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 87~92
Three approximation methods for generating outcomes on Poisson random variables are discussed. A comparison is made to determine which method requires the least computer execution time and to determine which is the most robust approximation. Results of the comparison study suggest the method to choose for the generating procedure depends on the mean value of Poisson random variable which is being generated.
Preventive Maintenance Scheduling Guide
Park, Kyung-S. ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 93~98
This paper presents a generalized model for determining minimum cost preventive maintenance schedules where accurate failure data are not available except the "average"(mean) and the "typical" value(mode) of the component lifetime.
Test of Independence in a Markov Dependent Waiting-time Distribution
Bai, Do-Sun ;
Journal of Korean Institute of Industrial Engineers, volume 1, issue 1, 1975, Pages 99~103
A procedure for the test of independence of the observations and the null distribution are studied for a waiting-time distribution of the number of Bernoulli trials required to obtain a preassigned number of successes under Markov dependence. Selected critical values for the test statistic are tabulated.