Optimizing planned lead times for enhancing performance of MRP systems

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题名:	Optimizing planned lead times for enhancing performance of MRP systems
作者:	王啟泰;Milne, R. John;Mahapatra, Santosh;Wang, Chi-Tai
贡献者:	管理學院工業管理研究所
关键词:	Electronics industry;Integer programming;Manufacturing;Material requirements planning;Material Requirements Planning (MRP);Mathematical models;Mixed integer program (MIP);Optimization techniques;Planned lead time (PLT);Studies
日期:	2015-01-01
上传时间:	2026-04-21 13:42:42 (UTC+8)
出版者:	Elsevier;Amsterdam: Elsevier B.V
摘要:	摘要： Material Requirements Planning (MRP) systems are frequently used in discrete parts manufacturing to determine planned order releases. This paper proposes a mixed integer program (MIP) model to determine the optimal values of planned lead times to be used by an MRP system. The MIP contains a set of integrated constraints that determine planned orders similar to how an MRP system would while executing these planned orders under capacity and component availability constraints. The model includes an optional fixed-periods lot sizing policy and minimizes the costs of excess finished and in-process inventories, setups, backorders, exceeding capacity (e.g. outsourcing), and changes in planned lead times. Experimental results—using data from a DRAM manufacturer—indicate that the proposed method of determining planned lead times is superior to a commonly used ad hoc method for determining the planned lead times used by an MRP system. 出版者： Amsterdam: Elsevier B.V 出版日期： 2015-09 出處： International journal of production economics, 2015-09, Vol.167, p.220-231 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2015 Elsevier B.V. 版權： Copyright Elsevier Sequoia S.A. Sep 2015 識別號： ISSN: 0925-5273 識別號： EISSN: 1873-7579 識別號： DOI: 10.1016/j.ijpe.2015.05.013 識別號： CODEN: IJPCEY
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