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변의석(Eui-Seok Byeon),안승범(Seung-Bum Ahn),박용화(Yonghwa Park) 한국산업경영시스템학회 2003 한국산업경영시스템학회지 Vol.26 No.4
Among many logistics technologies, primary area should be investigated in terms of long term periods. Therefore private company and public sector can visualize approaches to their corresponding industry. In this paper, we introduce vision and roadmap for integrated logistics systems based on national technology as well as three technology areas and fifteen core elements.
변의석(Eui-Seok Byeon),이장룡(Jang-Yong Lee) 한국산업경영시스템학회 2005 한국산업경영시스템학회 학술대회 Vol.2005 No.춘계
Maintaining superior productivity and quality in LCD requires enhancing competitiveness of partners or suppliers, such as PBA, BLU, or Mold Frame. BLU is one of the most important parts in LCD, however manufacturing environment is tedious and labor intensive. In this paper, we propose simulation modeling for BLU production process. We also investigate optimal process in terms of line balancing and conveyor characteristics.
변의석(Eui-Seok Byeon),홍성욱(Sung-Wook Hong) 한국산업경영시스템학회 2006 한국산업경영시스템학회지 Vol.29 No.1
Exact solutions for practical-size problems in job shop will be highly inefficient. Scheduling heuristics, therefore, are typically found in the literature. If we consider real-life situations such as machine breakdowns, the existing scheduling methods will be even more limited. Scheduling against due-dates addresses one of the most critical issues in modern manufacturing systems. In this paper, the method for weighted tardiness schedule using a graph theoretic decomposition heuristic is presented. It outstands the efficiency of computation as well as the robustness of the schedule.
변의석(Eui Seok Byeon),변지석(Ji Seok Byeon) 한국산업경영시스템학회 2011 한국산업경영시스템학회지 Vol.34 No.4
Information of freight tracking and tracing is one of core elements in logistics point of view. We can monitor the vehicle or vessel where freights are loaded and get the in-transit data via GPS. However, security problem exists after the shipments are unloaded. RFID is well utilized for securing the container which products are stuffed into. International standard organization sets relevant specification and e-seal appears to be at issue. The paper investigates current status of corresponding technology and proposes the policy for development of logistics industry.