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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Dae-Kyu Kim Chihyun Jung Tae-Eog Lee Yu-Ju Jung |
| Copyright Year | 2011 |
| Description | Author affiliation: POSCO, Goedong-dong, Nam-gu, Pohang, Gyeongbuk, KOREA (Yu-Ju Jung) || Korea Advanced Institute of Science & Technology, Department of Industrial & Systems Engineering, Yuseong-gu, Daejeon, KOREA (Dae-Kyu Kim; Chihyun Jung; Tae-Eog Lee) |
| Abstract | Most cluster tool scheduling studies assume identical access times between chambers, or do not discuss impact of the access times although the optimal scheduling rule and the cycle time can depend on the access times or physical configuration of parallel chambers. We examine cyclic scheduling problems for cluster tools that have non-identical access times. We first develop Petri net models of tool behaviors and analyze the cycle time by identifying the workloads of the process steps. We prove that the conventional backward and swap sequencing strategies are still optimal for a single-armed and a dual-armed cluster tools, respectively, when a process step is the bottleneck and the tool repeats a minimal cyclic work cycle. We also present a closed form formula for the cycle time and identify a co-prime condition on the number of parallel chambers for which the cycle time is independent of the order of using parallel chambers. |
| Starting Page | 2068 |
| Ending Page | 2079 |
| File Size | 753335 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781457721083 |
| ISSN | 08917736 |
| e-ISBN | 9781457721090 |
| e-ISBN | 9781457721076 |
| DOI | 10.1109/WSC.2011.6147920 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-12-11 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Robots Optimal scheduling Job shop scheduling Delay Analytical models Computational modeling Throughput |
| Content Type | Text |
| Resource Type | Article |
| Subject | Modeling and Simulation Computer Science Applications Software |
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