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Artificial Intelligence in Fault Diagnosis and Signal Processing, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Computing and Artificial Intelligence".

Deadline for manuscript submissions: 20 January 2026 | Viewed by 745

Special Issue Editors


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Guest Editor
Engineering Faculty, Autonomous University of Queretaro (UAQ), San Juan del Rio 76806, Mexico
Interests: condition monitoring; fault detection; artificial intelligence; deep learning; signal processing; electromechanical systems
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Engineering Faculty, Autonomous University of Queretaro (UAQ), San Juan del Rio 76806, Mexico
Interests: electric power systems; artificial intelligence; optimization algorithms; condition monitoring; power quality

Special Issue Information

Dear Colleagues,

The early detection and diagnosis of faults is essential in industrial processes since it can help avoid potentially irreparable damage to machinery, which could reduce the performance of the control system and process efficiency, ultimately resulting in a decrease in production. Additionally, in terms of industrial safety, timely fault detection and diagnosis can facilitate safer operations, reducing the risks to which plant workers are exposed. Therefore, detecting and diagnosing faults quickly and accurately can facilitate decision-making in a way that enables corrective actions to be taken to repair damaged components. In recent years, various machine fault detection techniques have emerged, and artificial intelligence and signal processing have become essential components thereof. However, this research field continues to generate new trends in terms of the methodologies related to multiple fault detection, novelty detection, data mining, development in hardware, etc.

The goal of this Special Issue is to bring together researchers and industrial practitioners to share their research findings and present ideas that are relevant to the field of fault diagnosis using artificial intelligence and signal processing. 

Dr. Juan Jose Saucedo-Dorantes
Dr. David Alejandro Elvira-Ortiz
Guest Editors

Manuscript Submission Information

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Keywords

  • neural networks
  • machine learning
  • sensors
  • novelty detection
  • data mining
  • signal processing methods
  • signal processing implementation
  • FPGA
  • HIL
  • industrial applications

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Published Papers (1 paper)

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Research

19 pages, 2907 KB  
Article
An Entropy–Envelope Approach for the Detection and Quantification of Power Quality Disturbances
by Eduardo Perez-Anaya, Juan Jose Saucedo-Dorantes, Arturo Yosimar Jaen-Cuellar, Rene de Jesus Romero-Troncoso and David Alejandro Elvira-Ortiz
Appl. Sci. 2025, 15(22), 12101; https://doi.org/10.3390/app152212101 - 14 Nov 2025
Viewed by 568
Abstract
The importance of power quality has increased these days due to the growth in the use of renewable energies and nonlinear loads. Although the use of renewable energies provides power generation sources that help in reducing greenhouse gas emissions, they might have a [...] Read more.
The importance of power quality has increased these days due to the growth in the use of renewable energies and nonlinear loads. Although the use of renewable energies provides power generation sources that help in reducing greenhouse gas emissions, they might have a detrimental effect on the power quality due to their intermittency and dependence on weather conditions. Due to the importance of keeping an optimal power quality, in this work, a novel methodology is developed whose main contribution relies on the use of entropy features and envelope analysis for the detection and quantification of power quality disturbances. The proposed method is implemented within a machine learning framework, where linear discriminant analysis (LDA) is employed to optimize entropy-based features. Subsequently, a neural network classifier performs an automatic classification and quantifies the magnitude of affectation associated with grid disturbances. The training is performed using synthetic signals, and validation is conducted with real signals from a photovoltaic park and from an IEEE working group. The results obtained are compared with those provided by other methodologies proving the accuracy and the viability of the proposed approach. Full article
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