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대기행렬 네트워크상에서 협업이 이루어지지 않는 두 서비스 센터의 선정 방안
소영섭,허은영 전북대학교 공업기술연구소 1995 工學硏究 Vol.26 No.-
The paper considers the location-allocation algorithm of two facility on queueing networks. In the case of multi-facility, the problem is to find simultaneously the optomal districting policy and the optimal locations of facilities. Berman & mondowsky[4] presented the heuristic method of location-allocation on congested networks in the case of multi-facility. But whenever the locations of faciltiess change, Berman & Mondiwsky's algorithm has to find the districting policy using MIP(Mixed Integer Program). Consequently, the computational time increases. Hence, we suggest the new heuristic algorithm to decrease the computational time. We equalize the queueing delay of two sub-networks using the difference between the service times of each nodes form the two facilities and change allocation of only one node at each pivot. The experience results show that the objective value of our algorithm is as good as Berman & Monowsky's and the computational time is smaller than Berman & Mondowsky's
소영섭,정병호,허은영,이해영,조영호,김정수,So, Y.S.,Jeong, B.H.,Heo, E.Y.,Lee, H.Y.,Jo, Y.H.,Kim, J.S. 대한산업공학회 1996 산업공학 Vol.9 No.2
In recent, most'of automobile industries adopt the concept of JIT production. According to the concept, the paternal manufacturers require their suppliers to supply parts just in time, so it is very important for a subcontractor to produce the parts in the appointed time of delivery. This study develops a production information system for Woosin Industry, which is one of such subcontractors of Hyundai Motors Company(HMC). The system is developed for use in Client/Server environment. In this study, the following three modules are developed, i. e., the production scheduling module, the sales management module to deal with the information about orders of HMC, delivery of parts, and bill collecting, and the module for supporting material requirements planning and purchase of material.
다목적 선형계획 문제의 유효 목적함수 영역과 가중치 영역의 수리적 관계에 관한 연구
소영섭 한국경영과학회 1994 한국경영과학회지 Vol.19 No.2
There are three important regions in Multiple Objective Linear Programming (MOLP). One is the region of efficient solutions, another is the region of weight to be used for finding efficient solutions, the third is the region of efficient(nondominated) objective values. In this paper, first, we find the condition of extreme point in the region of efficient objective values. Second, we find that the sum of the dimension of the weight region and the dimension of efficient objective values region is constant. Using the above, it is shown that we find the shape and dimension of weight region corresponding to the given region of efficient objective values and vice versa.
소영섭,박순달 한국경영과학회 1991 韓國經營科學會誌 Vol.16 No.2
The purposes of this paper are to find the relations between efficient faces and the regions of weights on the objective functions in Multi-objective Linear Programming. First, we define the region of weights corresponding to an efficient face, and find the changing pattern within the region of weights. Second, we find the equation of the dimensional relation between the efficient face and the region of weight corresponding to it.
정병호,소영섭,허은영,이해영,조영호,김정수 한국경영과학회 1996 한국경영과학회 학술대회논문집 Vol.- No.1
In recent, most of automobile industries adopt the concept of Just In Time production. The paternal manufacturers require their suppliers to supply parts just in time. It is very important for a subcontractor to produce the parts in the appointed time of delivery. This study develops a production information system for Woosin Industry, which is one of such subcontractor of Hundai Motors Company(HMC). The system is developed on Client/ Server system. Firstly, three modules are developed, i.e., scheduling module to make a schedule, the subsystem of sales management to deal with the information about order of HMC, delivery of parts, and bill collecting, and the module for supporting material requirement planning and purchace of material.