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HAN Yi , KAKU Ikou , TANG Jiafu , DELLAERT Nico , CAI Jianhu , LI Yanlai

… The multilevel lot-sizing (MLLS) problem is a key production planning problem in the material requirement planning (MRP) system. … The MLLS problem deals with determining the production lot sizes of various items appearing in the product structure over a given finite planning horizon to minimize the production cost, inventory carrying cost, backordering cost, etc. …

日本経営工学会論文誌 61(3), 203-213, 2010-08-15

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Dhakar Tej S. , Schmidt Charles P. , Tamura Takayoshi

… This paper considers the lot sizing problem for general production-distribution systems with multiple end-items. … The problem is formulated as an infinite horizon problem in terms of cycle times (reorder intervals) with the objective of minimizing the average setup and echelon holding costs per period for the entire system. …

Proceedings of International Symposium on Scheduling 2009, 250-255, 2009-07-04

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前川 浩司 , 森山 弘海

… The capacitated lot sizing problem (CLSP) is one of the representative problems in mathematical planning, and it has various applications in many fields. … Therefore, there have been many studies on this problem. … In this study, we consider the capacitated lot sizing problem on parallel machines in taking variable capacity constraints into consideration. …

東海大学紀要. 情報理工学部 7(2), 21-26, 2007

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久保 幹雄

システム/制御/情報 : システム制御情報学会誌 50(9), 357-362, 2006-09-15

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Muramatsu Kenji

… This paper presents a unified method for formulating a multi-item multi-process dynamic lot size scheduling problem and its extensions into fine mathematical models. … Further, in the extended problem, our finding is that besides the constraints stated above there exists some additional restrictions unique to the problem, which specify the operation, whether it is real processing or set up, and yet define relative states among multiple system elements. …

Proceedings of International Symposium on Scheduling 2006, 166-171, 2006-07-18

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MATSUMOTO Shimpei , OKUHARA Koji , UENO Nobuyuki , ISHII Hiroaki

… We are interested in the print process on the manufacturing processes of auto parts supplier as an actual problem. … Rationalization of the print process is depending on the lot sizing. … The construction of an efficient production system is urgent problem. …

JSME international journal. Series C, Mechanical systems, machine elements and manufacturing 48(1), 8-14, 2005-03-15

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MATSUMOTO Shimpei , OKUHARA Koji , UENO Nobuyuki , TANAKA Toshijiro

… We are interested in the print process on the manufacturing processes of auto parts supplier as an actual problem. … Rationalization of the print process is depending on the lot sizing. … The construction of an efficient production system is urgent problem. …

Proceedings of International Symposium on Scheduling 2004, 115-120, 2004-05-24

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MURAMATSU Kenji , WARMAN Aditya , KOBAYASHI Minoru

… This paper addresses a multi-item multi-process dynamic lot size scheduling problem with general product structure and setup time. … In this problem, there exist various heterogeneous decision features such as lot sizing, lot sequencing, dispatching, and so on. …

JSME international journal. Series C, Mechanical systems, machine elements and manufacturing 46(1), 46-53, 2003-03-15

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LI Shaorui , KUBO Mikio

… The dynamic lot-sizing problem with safety stocks and limited inventories is often met in practice. … The goal of the problem aims at determining the relative frequency of setups satisfying the demands under restrictions of the safety stock and limited inventory over a planning horizon at minimum cost. …

日本航海学会論文集 (107), 27-34, 2002-09-25

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