A hierarchical ensemble causal structure learning approach for wafer manufacturing
A hierarchical ensemble causal structure learning approach for wafer manufacturing
复制标题
用于晶圆制造的分层集成因果结构学习方法
DOI:
10.1007/s10845-023-02188-z
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发表时间:
2023
影响因子:
8.3
通讯作者:
Shen, Xiaotong
中科院分区:
文献类型:
--
作者:
Yang, Yu;Bom, Sthitie;Shen, Xiaotong
In manufacturing, causal relations between components have become crucial to automate assembly lines. Identifying these relations permits error tracing and correction in the absence of domain experts, in addition to advancing our knowledge about the operating characteristics of a complex system. This paper is motivated by a case study focusing on deciphering the causal structure of a wafer manufacturing system using data from sensors and abnormality monitors deployed within the assembly line. In response to the distinctive characteristics of the wafer manufacturing data, such as multimodality, high-dimensionality, imbalanced classes, and irregular missing patterns, we propose a hierarchical ensemble approach. This method leverages the temporal and domain constraints inherent in the assembly line and provides a measure of uncertainty in causal discovery. We extensively examine its operating characteristics via simulations and validate its effectiveness through simulation experiments and a practical application involving data obtained from Seagate Technology. Domain engineers have cross-validated the learned structures and corroborated the identified causal relationships.
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DOI:
--
发表时间:
2020
期刊:
International Joint Conference on Artificial Intelligence
影响因子:
--
作者:
Johannes Huegle;C. Hagedorn;M. Uflacker
通讯作者:
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DOI:
10.1007/s41060-017-0085-7
发表时间:
2018-08
影响因子:
2.4
作者:
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通讯作者:
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1977-01-01
期刊:
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影响因子:
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作者:
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通讯作者:
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影响因子:
16.6
作者:
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通讯作者:
Zscheischler, Jakob
DOI:
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发表时间:
2015
期刊:
影响因子:
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作者:
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通讯作者:
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