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A GRAPH-BASED DECISION SUPPORT SYSTEM FOR ANALYZING HYBRID MAKE-TO-STOCK/MAKE-TO-ORDER MANUFACTURING ENVIRONMENTS
Brazilian Journal of Operations & Production Management ( IF 1.9 ) Pub Date : 2020-01-01 , DOI: 10.14488/bjopm.2020.009
Moeen Sammak Jalali , Seyyed Mohammad Taghi Fatemi Ghomi , Masoud Rabbani

Masoud Rabbani mrabani@ut.ac.ir University of Tehran, Iran. ABSTRACT Goal: This paper aims to facilitate production-planning strategies for demand responsiveness. Our paper implements graph-rewriting systems towards supporting operative decision making in production environments. Design / Methodology / Approach: We design a decision support approach which is able to recognize and resolve conflicts amongst workstations in a hybrid production system. During the proposed stages of the presented approach, we rewrite the hybrid system by means of graph representation procedure, identify conflicts among the workstations by means of the developed graph coloring algorithm, and evaluate performance of the reorganized system by defining key performance indicators for the presented system. Results: We prove that the graphs’ chromatic numbers in such systems are less than or equal to entire number of dummy nodes applied to the system by means of our proposed algorithm. Furthermore, the presented structure improves the performance of the system by analyzing production bottlenecks. Limitations of the investigations: we only considered the Key Performance Indicators according to products, workstations, and customers. However, the problem can be more generalized by adding some more elements. Practical implications: Our methodology enables managers to assess the performance of the reorganized system after applying the heuristic algorithm, by means of representing a performance evaluation procedure. Originality / Value: We focus on presenting a novel structure to help companies using hybrid make-to-stock (MTS)/make-to-order (MTO) production strategies to (1) identify conflicting workstations and the relations among them, (2) propose dialectical prioritization rules and techniques by means of graph-coloring concepts for resolving the conflicts, (3) reorganize the system, and evaluate performance.

中文翻译:

基于图形的决策支持系统,用于分析混合库存/按订单制造环境

Masoud Rabbani mrabani@ut.ac.ir伊朗德黑兰大学。摘要目标:本文旨在促进针对需求响应的生产计划策略。我们的论文实现了图形重写系统,以支持生产环境中的操作性决策。设计/方法/方法:我们设计一种决策支持方法,该方法能够识别和解决混合生产系统中工作站之间的冲突。在提出的方法的建议阶段中,我们通过图形表示程序重写混合系统,通过开发的图形着色算法识别工作站之间的冲突,并通过为提出的关键性能指标定义重组系统的性能系统。结果:我们证明了在这种系统中图的色数小于或等于通过我们提出的算法应用于系统的虚拟节点的总数。此外,提出的结构通过分析生产瓶颈来提高系统的性能。调查的局限性:我们仅根据产品,工作站和客户考虑了关键绩效指标。但是,可以通过添加更多元素来使问题更普遍。实际意义:我们的方法使管理人员可以通过应用绩效评估程序,在应用启发式算法后评估重组系统的绩效。创意/价值:
更新日期:2020-01-01
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