e-journal

An Incremental Clustering-Based Fault Detection Algorithm for Class-Imbalanced Process Data

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Abstract
Training fault detection model requires advanced data-mining algorithms when the growth rate of the process data is notably high and normal-class data overwhelm fault-class data in number. Most standard classification algorithms, such as support vector machines (SVMs), can handle moderate sizes of
training data and assume balanced class distributions. When the class sizes are highly imbalanced, the standard algorithms tend to strongly favor the majority class and provide a notably low detection
of the minority class as a result. In this paper, we propose an online fault detection algorithm based on incremental clustering. The algorithm accurately finds wafer faults even in severe class distribution skews and efficiently processes massive sensor data in terms of reductions in the required storage. We tested our algorithm on illustrative examples and an industrial example. The algorithm performed well with the illustrative examples that included imbalanced class distributions of Gaussian and non-Gaussian types and process drifts. In the industrial example, which simulated real data from a plasma etcher, we verified that the performance of the algorithm was better than that of the standard SVM, one-class SVM and three instancebased fault detection algorithms that are typically used in the
literature.

Index Terms—Fault detection, class imbalance data, data mining, incremental clustering, process drift.

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Informasi Detail

Judul Seri

IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING, VOL. 28, NO. 3, AUGUST 2015

No. Panggil

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Penerbit

: IEEE., 2015

Deskripsi Fisik

IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING, VOL. 28, NO. 3, AUGUST 2015

Bahasa

English

ISBN/ISSN

0894-6507

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

VOL. 28, NO. 3, AUGUST 2015

Subjek

SEMIKONDUKTOR
DATA MINING

Info Detail Spesifik

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Pernyataan Tanggungjawab

ETY

Versi lain/terkait

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