A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions

To meet industrial demands, gas turbines typically operate under multiple conditions, presenting unique challenges for fault diagnosis. This paper proposes a novel blade fault detection framework designed for such environments. First, a State-Supervised Variational Autoencoder (SS-VAE) model is intr...

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Main Authors: Yuan Xiao, Kun Feng, Dongyan Miao, Peng Zhang, Jiaxin Yang
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10843193/
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author Yuan Xiao
Kun Feng
Dongyan Miao
Peng Zhang
Jiaxin Yang
author_facet Yuan Xiao
Kun Feng
Dongyan Miao
Peng Zhang
Jiaxin Yang
author_sort Yuan Xiao
collection DOAJ
description To meet industrial demands, gas turbines typically operate under multiple conditions, presenting unique challenges for fault diagnosis. This paper proposes a novel blade fault detection framework designed for such environments. First, a State-Supervised Variational Autoencoder (SS-VAE) model is introduced, which integrates the learning process of turbine operational states into the VAE bypass, enabling it to capture variations in vibration signal data across different operating conditions. Through the fusion decoding of operating states and vibration signals, the foundation of the SS-VAE model and its loss function is established. Secondly, a new State Mapping Error (SME) index is introduced to further address the issue of reconstruction error variability across multiple conditions. The proposed method is validated through a blade fault test rig and applied in an industrial gas turbine blade fault case. Results demonstrate that the SS-VAE model and SME index effectively capture vibration signal changes due to blade faults across multi-operating conditions, achieving accurate monitoring and diagnosis. Compared to traditional methods, the proposed approach shows higher effectiveness and robustness.
format Article
id doaj-art-d4924ef351e8418cba901bbe4bb1ead1
institution Kabale University
issn 2169-3536
language English
publishDate 2025-01-01
publisher IEEE
record_format Article
series IEEE Access
spelling doaj-art-d4924ef351e8418cba901bbe4bb1ead12025-01-25T00:01:37ZengIEEEIEEE Access2169-35362025-01-0113142251423810.1109/ACCESS.2025.352989910843193A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating ConditionsYuan Xiao0https://orcid.org/0000-0003-1376-5881Kun Feng1Dongyan Miao2Peng Zhang3Jiaxin Yang4State Key Laboratory of High-End Compressor and System Technology, Beijing University of Chemical Technology, Beijing, ChinaState Key Laboratory of High-End Compressor and System Technology, Beijing University of Chemical Technology, Beijing, ChinaState Key Laboratory of High-End Compressor and System Technology, Beijing University of Chemical Technology, Beijing, ChinaState Key Laboratory of High-End Compressor and System Technology, Beijing University of Chemical Technology, Beijing, ChinaState Key Laboratory of High-End Compressor and System Technology, Beijing University of Chemical Technology, Beijing, ChinaTo meet industrial demands, gas turbines typically operate under multiple conditions, presenting unique challenges for fault diagnosis. This paper proposes a novel blade fault detection framework designed for such environments. First, a State-Supervised Variational Autoencoder (SS-VAE) model is introduced, which integrates the learning process of turbine operational states into the VAE bypass, enabling it to capture variations in vibration signal data across different operating conditions. Through the fusion decoding of operating states and vibration signals, the foundation of the SS-VAE model and its loss function is established. Secondly, a new State Mapping Error (SME) index is introduced to further address the issue of reconstruction error variability across multiple conditions. The proposed method is validated through a blade fault test rig and applied in an industrial gas turbine blade fault case. Results demonstrate that the SS-VAE model and SME index effectively capture vibration signal changes due to blade faults across multi-operating conditions, achieving accurate monitoring and diagnosis. Compared to traditional methods, the proposed approach shows higher effectiveness and robustness.https://ieeexplore.ieee.org/document/10843193/Gas turbinebladeanomaly detectionautoencodermulti-operating conditions
spellingShingle Yuan Xiao
Kun Feng
Dongyan Miao
Peng Zhang
Jiaxin Yang
A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions
IEEE Access
Gas turbine
blade
anomaly detection
autoencoder
multi-operating conditions
title A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions
title_full A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions
title_fullStr A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions
title_full_unstemmed A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions
title_short A State-Supervised Model and Novel Anomaly Index for Gas Turbines Blade Fault Detection Under Multi-Operating Conditions
title_sort state supervised model and novel anomaly index for gas turbines blade fault detection under multi operating conditions
topic Gas turbine
blade
anomaly detection
autoencoder
multi-operating conditions
url https://ieeexplore.ieee.org/document/10843193/
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