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비가중 무제한 2차원 절단문제에 대한 최적-우선 분지한계 해법
윤기섭(Ki-Seop Yoon),윤희권(Hee-Kwon Yoon),강맹규(Maing-Kyu Kang) 한국산업경영시스템학회 2009 한국산업경영시스템학회지 Vol.32 No.1
In this paper, a best-first branch and bound algorithm based upon the bottom-up approach for the unweighted unconstrained two-dimensional cutting problem is proposed to find the optimal solution to the problem. The algorithm uses simple and effective methods to prevent constructing duplicated patterns and reduces the searching space by dividing the branched node set. It also uses a efficient bounding strategy to fathom the set of patterns. Computational results are compared with well-known exact algorithms and demonstrate the efficiency of the proposed algorithm.
성수경 ( Su Gyeong Sung ),윤희권 ( Hee Kwon Yoon ),곽상혁 ( Sang Hyug Kwag ),변재현 ( Jai Hyun Byun ) 한국품질경영학회 2012 품질경영학회지 Vol.40 No.3
Purpose: In this paper, a Design for Six Sigma (DFSS) methodology based on DMADV (Define-Measure- Analyze-Design-Verify) roadmap is presented. Methods: DFSS tools are given for each DMADV phase which is suitable for the aircraft development process, A cost reduction case study of a navigation simulation is demonstrated, Results: DFSS roadmap are presented with implementation tools for each phase. Conclusion: We propose a DFSS methodology which can benefit the design and development personnel to implement DFSS not only in aircraft industry but also in other order-based industries in general.