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On the Analysis of Intergrated Prosuction and Transportation Planning in a Supply Chain
권수태,엄용호 한국SCM학회 2006 한국SCM학회지 Vol.6 No.1
This paper considers an integrated production and transportation planning problem for a single-product, single-vendor, multi-buyer and multi-period in supply chain. Some interesting properties are derived that are useful for characterizing optimal transportation planning. By using the properties, a genetic algorithm is developed to solve the integrated production and transportation planning problem. A numerical example is presented and tested to show the effectiveness of the algorithm.
권수태,엄용호 한국경영과학회 2003 한국경영과학회 학술대회논문집 Vol.- No.1(1)
Supply chain is the link that moves products between suppliers, manufactures, wholesalers, distribution, retailers and ended consumers. Supply chain management(SCM) is a way to supervise the flow of products, materials and information as they move along the supply chain. In the recent years, Most of the companies are in a hurry the introduction of SCM to obtain international competitiveness. The goal of SCM is to optimize the supply chain, which can not only reduce inventories, but may also create a higher profit margin for finished goods by giving customers exactly what they want. There are four major decision areas (location, production, inventory, transportation) in supply chain management, and there are both strategic and operational elements in each of these decision areas. This paper is concerned with the integrated production planning problem including not only the production cost but also the transportation cost in supply chains, and an efficient algorithm using genetic algorithm and quickest path method is presented to solve the problem.
권수태,엄용호 전주대학교 공학기술종합연구소 2003 전주대학교 공학기술종합연구소 학술논문집 Vol.9 No.1
Recently, many company endeavor to gain competitive advantage so as quickly to satisfy customer demand and effectively reduce operating costs. An approach is to integrate supply chain which is the link that moves products between suppliers, manufactures, wholesalers, distributions, retailers and ended consumers. This paper is concerned with the integrated production planning problem including not only the production cost but also the transportation cost in supply chains, and an efficient algorithm using genetic algorithm and quickest path method is exploited to solve the problem.
송병섭(Byeang-Seab Song),엄기명(Ki-Myeong Eom),윤용호(Yong-Ho Yoon),원충연(Chung-Yuen Won),김덕근(Duk-Gun Kim) 한국조명·전기설비학회 2000 한국조명·전기설비학회 학술대회논문집 Vol.2000 No.-
Switched reluctance motor drives have been finding their applications in the variable speed drives due to their relatively low cost, simple and robust structure, controllability and high efficiency. Fuzzy control does not need any model of plant. It is based on plant operator experience and heuristics. Fuzzy control is basically adaptive and gives robust performance for plant parameter variation. This paper deals with the speed control of switched reluctance motor using fuzzy controller with 7-rule based fuzzy logic. The proposed fuzzy controller is superior to the control performance of the conventional PI controller. The fuzzy controller is implemented by 80C196KC, 16 bit one-chip microcontroller.
고도산화공정을 이용한 고농도 무전해 니켈도금 폐액 처리방안 연구
서민혜 ( Minhye Seo ),조성수 ( Sungsu Cho ),이수영 ( Sooyoung Lee ),김진호 ( Jinho Kim ),강용호 ( Yong Ho Kang ),엄성현 ( Sunghyun Uhm ) 한국공업화학회 2015 공업화학 Vol.26 No.3
We develop advanced oxidation processes for the treatment of spent electroless nickel plating solution. Apart form recovering nickel by leaching and enrichment, more emphasis is placed on rendering the waste water recyclable via oxidizing phosphite and hypophosphite into phosphate which can then be precipitated easily. UV/H2O2 process is employed and the conversion efficiency of COD and PO4-P, and H2O2 consumption are analyzed. Furthermore, the UV/H2O2 process in conjunction with O3 generator enables us to not only save the treatment time by 6 hours but also reduce H2O2 consumption by 30%.