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Hyperparameter Tuning of OC-SVM for Industrial Gas Turbine Anomaly Detection

Author

Listed:
  • Hyun-Su Kang

    (Graduate School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea)

  • Yun-Seok Choi

    (Graduate School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea)

  • Jun-Sang Yu

    (Data Analytics Team, Doosan Enerbility, Seongnam 13557, Republic of Korea)

  • Sung-Wook Jin

    (Data Analytics Team, Doosan Enerbility, Seongnam 13557, Republic of Korea)

  • Jung-Min Lee

    (Data Analytics Team, Doosan Enerbility, Seongnam 13557, Republic of Korea)

  • Youn-Jea Kim

    (School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea)

Abstract

Gas turbine failure diagnosis is performed in this work based on seven types of tag data consisting of a total of 7976 data. The data consist of about 7000 normal data and less than 500 abnormal data. While normal data are easy to extract, failure data are difficult to extract. So, this study mainly is composed of normal data and a one-class support vector machine (OC-SVM) is used here, which has an advantage in classification accuracy performance. To advance the classification performance, four hyperparameter tuning (manual search, grid search, random search, Bayesian optimization) methods are applied. To analyze the performance of each technique, four evaluation indicators (accuracy, precision, recall, and F-1 score) are used. As a result, about 54.3% of the initial failure diagnosis performance is improved up to 64.88% through the advanced process in terms of accuracy.

Suggested Citation

  • Hyun-Su Kang & Yun-Seok Choi & Jun-Sang Yu & Sung-Wook Jin & Jung-Min Lee & Youn-Jea Kim, 2022. "Hyperparameter Tuning of OC-SVM for Industrial Gas Turbine Anomaly Detection," Energies, MDPI, vol. 15(22), pages 1-12, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:22:p:8757-:d:979549
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    Cited by:

    1. Mina Bagherzade Ghazvini & Miquel Sànchez-Marrè & Davood Naderi & Cecilio Angulo, 2024. "Anomaly Detection in Gas Turbines Using Outlet Energy Analysis with Cluster-Based Matrix Profile," Energies, MDPI, vol. 17(3), pages 1-20, January.

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