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Optimal Scheduling of a Kit Product on a Single Facility
Gim, Bongjin,Han, Min H. 한국경영과학회 1989 한국경영과학회 학술대회논문집 Vol.- No.1
This paper deals with a scheduling problem on a single facility at which different part types are produced and the different part types are assembled into kits for final products. When the demand for the final product is constant and the planning time horizon is infinite, the problem is modeled to minimize the total production cost where the total production cost where the total production cost consists of part setup cost, part inventory holding cost, final product ordering cost, and final product inventory holding cost. The objective of this paper is to present a simple and systematic solution procedure for this problem class.
제약 회귀하의 목표계획법을 이용한 국내 천연가스 산업의 규모와 경제성 분석 : Economies of Scale for the Korean Natural Gas Industry
김봉진,윤희천,이정동,김태유 한국경영과학회 1997 經營 科學 Vol.14 No.1
We consider a problem of estimating the economies of scale for the natural gas industries. The goal programming/constrained regression is employed for estimating the economies of scale for the natural gas industry, and the problem is formulated as a linear programming problem. Also, the translog cost function is used to represent the cost structure for the natural gas industry. The Korean Gas Corporation was selected as a case study, and we demonstrate that the suggested goal programming/constrained regression approach is appropriate for estimating the economies of scale for the Korean natural gas industry.
두 개의 동일한 소화조로 이루어진 메탄가스 생산체계의 경제적 운영에 관한 연구
김봉진 한국경영과학회 1990 韓國經營科學會誌 Vol.15 No.1
Biomass to methane production is a good supply method of substitutable energy resources. The economic viability of these systems depends a great deal on cost effective production methods and facilities. The operational problem is to determine the time to allocate to each batch of several feedstocks for each digester and to determine the number of batches for each digester so as to maximize biogas production for two identical digesters over a fixed planning horizon. This paper provides an efficient approximation procedure which is based on the decomposition of the problem and the analysis of incremental gas production function for each feedstock. The computational experience for the heuristic procedure was also reported.