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An Adaptive Dispatching Architecture for Constructing a Factory Operating System of Semiconductor Fabrication : Focused on Machines with Setup Times
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반도체 Fab의 생산운영시스템 구축을 위한 상황적응형 디스패칭 방법론 : 공정전환시간이 있는 장비를 중심으로

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Type
Academic journal
Author
Keun-Chae Jeong (충북대학교)
Journal
Korean Institute Of Industrial Engineers IE interfaces Vol.22 No.1
Published
2009.3
Pages
73 - 84 (12page)

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An Adaptive Dispatching Architecture for Constructing a Factory Operating System of Semiconductor Fabrication : Focused on Machines with Setup Times
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Abstract· Keywords

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In this paper, we propose a dispatching algorithm for constructing a Factory Operating System (FOS) which can operate semiconductor fabrication factories more efficiently and effectively. We first define ten dispatching criteria and propose two methods to apply the defined dispatching criteria sequentially and simultaneously (i.e. fixed dispatching architecture). However the fixed type methods cannot apply the criteria adaptively by considering changes in the semiconductor fabrication factories. To overcome this type of weakness, an adaptive dispatching architecture is proposed for applying the dispatching criteria dynamically based on the factory status. The status can be determined by combining evaluation results from the following three status criteria; target movement, workload balance, and utilization rate. Results from the shop floor in past few periods showed that the proposed methodology gives a good performance with respect to the productivity, workload balance, and machine utilization. We can expect that the proposed adaptive dispatching architecture will be used as a useful tool for operating semiconductor fabrication factories more efficiently and effectively.

Contents

1. 서론
2. 문제정의
3. 작업우선순위 평가기준
4. 정적 디스패칭 아키텍처
5. 동적 디스패칭 아키텍처
6. 결론
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UCI(KEPA) : I410-ECN-0101-2013-530-003630279