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政大機構典藏 > 商學院 > 資訊管理學系 > 期刊論文 > Item 140.119/65332

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/65332

Title:	Reaching Most States Via Refining Controller Regions for Supervisors of Two Well-Known S3PRs
Authors:	Chao, Daniel Yuh;Chen, Jiun-Ting;Uzam, Murat 趙玉
Contributors:	資管系
Keywords:	CONWIP;Flexible Flow Shop (FFS);Kanban;Petri Net (PN);POLCA;Work In Process (WIP)
Date:	2013.01
Issue Date:	2014-04-14 11:29:07 (UTC+8)
Abstract:	A common simplifying assumption used in the literature is to minimise average Work In Process (WIP), while achieving maximum production rate, which does not consider the fact that the value of WIP increases down the stream of a production process as labour, time, energy and resources are added to it. This paper aims at minimising queues of parts waiting downstream of production process and in turn minimising value-added WIP by constraining more and more inventory of unfinished products at the earlier stages of production. For this reason, generic black token closed loop Petri Net (PN) model of Flexible Flow Shop (FFS) with Paired-cell Overlapping Loops with Card Authorisation (POLCA) is developed. Tokens in the control loops representPolcacards to control the flow of material from order release till finished products. Marking of PN is done through Mix Integer Linear Programming after the computation of semi-positive P invariants. Simulation is being done to obtain queues of parts, waiting at each station during demand variation. Results were compared with PN model of FFS withoutPolca. Results showed the constriction of unnecessary WIP towards the initial stage of production instead of at bottlenecks, with proposed model, and in turn minimisation of value-added WIP.
Relation:	International Journal of Production Research,51(15), 4421-4430
Data Type:	article
DOI 連結:	http://dx.doi.org/10.1080/00207543.2012.739733
DOI:	10.1080/00207543.2012.739733
Appears in Collections:	[資訊管理學系] 期刊論文

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