Wafer Sojourn Time Fluctuation Analysis of Time-Constrained Dual-Arm Cluster Tools With Wafer Revisiting and Activity Time Variation
Wafer Sojourn Time Fluctuation Analysis of Time-Constrained Dual-Arm Cluster Tools With Wafer Revisiting and Activity Time Variation
复制标题
具有晶圆回访和活动时间变化的时间约束双臂集群工具的晶圆停留时间波动分析
DOI:
10.1109/tsmc.2016.2600583
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发表时间:
2018-04
影响因子:
8.7
通讯作者:
Zhu QingHua
中科院分区:
文献类型:
--
作者:
Qiao Yan;Wu NaiQi;Yang FaJun;Zhou MengChu;Zhu QingHua
A robotic cluster tool involves many activities whose time is subject to some disturbance, thus leading to the activity time variation. It results in wafer sojourn time fluctuation in a process module, which may in turn violate wafer residency time constraints. Some wafer fabrication requires a revisiting process. With wafer revisiting, the effect of activity time variation on wafer sojourn time fluctuation is so complicated that no analysis was reported to the best knowledge of the authors. It is vitally important to accurately analyze it. To do so, this paper adopts a Petri net model to describe the dynamical behavior of cluster tools. With this model, a real-time control policy is proposed to offset the effect of the activity time variation on wafer sojourn time fluctuation as much as possible. Then, the wafer sojourn time delay is analyzed and algorithms are developed to calculate its exact upper bound. With the proposed method, one can check if a given schedule is feasible under bounded activity time variation. Some practical examples are given to show the application of the proposed approach.
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DOI:
10.1007/978-1-4615-2231-7
发表时间:
1995-03
期刊:
--
影响因子:
--
作者:
Mengchu Zhou
通讯作者:
Mengchu Zhou
DOI:
10.1109/tsmca.2007.909542
发表时间:
2008
期刊:
IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans
影响因子:
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作者:
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期刊:
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影响因子:
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DOI:
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发表时间:
2015-04
影响因子:
5.6
作者:
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10.1109/tase.2005.851236
发表时间:
2005-10
影响因子:
5.6
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通讯作者:
Tae-Eog Lee;Seong-Ho Park