Intelligent Machinery Fault Diagnosis and Maintenance

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Machines Testing and Maintenance".

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 3152

Special Issue Editors


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Guest Editor
School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: prognostics and health management; fault diagnosis; physics-informed machine learning; digital twin
Electrical and Computer Engineering Department, University of Massachusetts Lowell, 1 University Ave., Lowell, MA 01854, USA
Interests: fiber-optic sensors; non-destructive testing; photoacoustics
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Special Issue Information

Dear Colleagues,

The needs and benefits of intelligent machinery fault diagnosis and maintenance are apparent, including enhanced reliability and safety of complex engineering systems, and reduced operational and support costs, among others. With the advent of deep learning algorithms featuring intricate layers, significant efforts have been made in intelligent fault diagnosis and maintenance for machinery systems. However, some challenges still need to be addressed, such as the limitation in fault data availability, the desire for real-time fault diagnosis, the interpretability of fault diagnosis, system-level fault diagnosis, and optimal maintenance strategies. This Special Issue focuses on collecting current research work that advances or improves the field of intelligent machinery fault diagnosis and maintenance.

This Special Issue aims to feature high-quality research papers in the realm of intelligent machinery fault diagnosis and maintenance. Therefore, we invite researchers, engineers, and experts to contribute the latest research work on intelligent machinery fault diagnosis and maintenance. These studies are expected to provide novel theories and algorithms, analytical models, and experiments that contribute to the field.  

In this Special Issue, original research papers and reviews are welcome. Research topics may include, but are not limited to, the following topics:

  • Novel machine learning algorithms for intelligent fault diagnosis;
  • Novel methods to identify anomalies within large data sets;
  • Advanced machine learning methods integrated with domain knowledge;
  • Novel intelligent fault diagnosis with interpretable models;
  • Digital twin technologies for intelligent fault diagnosis;
  • Novel transfer learning approaches for intelligent fault diagnosis;
  • Methods for determining maintenance strategies based on machinery conditions;
  • Optimization methods for scheduling maintenance;

We look forward to receiving your contributions.

Dr. Meng Ma
Dr. Haidong Shao
Dr. Xu Guo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Machines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • intelligent fault diagnosis
  • optimization of maintenance
  • machine learning
  • feature extraction
  • complex engineering systems

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Published Papers (4 papers)

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Research

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19 pages, 13096 KiB  
Article
Investigation of the Electrical Impedance Signal Behavior in Rolling Element Bearings as a New Approach for Damage Detection
by Florian Michael Becker-Dombrowsky, Johanna Schink, Julian Frischmuth and Eckhard Kirchner
Machines 2024, 12(7), 487; https://doi.org/10.3390/machines12070487 - 19 Jul 2024
Viewed by 730
Abstract
The opportunities of impedance-based condition monitoring for rolling bearings have been shown earlier by the authors: Changes in the impedance signal and the derived features enable the detection of pitting damages. Localizing and measuring the pitting length in the raceway direction is possible. [...] Read more.
The opportunities of impedance-based condition monitoring for rolling bearings have been shown earlier by the authors: Changes in the impedance signal and the derived features enable the detection of pitting damages. Localizing and measuring the pitting length in the raceway direction is possible. Furthermore, the changes in features behavior are physically explainable. These investigations were focused on a single bearing type and only one load condition. Different bearing types and load angles were not considered yet. Thus, the impedance signals and their features of different bearing types under different load angles are investigated and compared. The signals are generated in fatigue tests on a rolling bearing test rig with conventional integrated vibration analysis based on structural borne sound. The rolling bearing impedance is gauged using an alternating current measurement bridge. Significant changes in the vibration signals mark the end of the fatigue tests. Therefore, comparing the response time of the impedance can be compared to the vibration signal response time. It can be shown that the rolling bearing impedance is an instrument for condition monitoring, independently from the bearing type. In case of pure radial loads, explicit changes in the impedance signal are detectable, which indicate a pitting damage. Under combined loads, the signal changes are detectable as well, but not as significant as under radial load. Damage-indicating signal changes occur later compared to pure radial loads, but nevertheless enable an early detection. Therefore, the rolling bearing impedance is an instrument for pitting damage detection, independently from bearing type and load angle. Full article
(This article belongs to the Special Issue Intelligent Machinery Fault Diagnosis and Maintenance)
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17 pages, 3619 KiB  
Article
The State of Health of Electrical Connectors
by Jian Song, Abhay Shukla and Roman Probst
Machines 2024, 12(7), 474; https://doi.org/10.3390/machines12070474 - 14 Jul 2024
Viewed by 548
Abstract
For modern machines, factories and electric and autonomous vehicles, the importance of vreliable electrical connectors cannot be overstated. With an increasing number of connectors being used in machines, factories and vehicles, ensuring their reliability is crucial for comfort and safety alike. One of [...] Read more.
For modern machines, factories and electric and autonomous vehicles, the importance of vreliable electrical connectors cannot be overstated. With an increasing number of connectors being used in machines, factories and vehicles, ensuring their reliability is crucial for comfort and safety alike. One of the key indicators of reliability is the lifetime of connectors. To evaluate the lifetime of electrical connectors, a testing method and a model for calculating their lifetime based on the test data were developed. The results from these tests were compared to failure analysis data from long-term field operations. The findings indicate that the laboratory tests can accurately reproduce the main failures observed in the field. However, such lifetime tests can be time- and labor-intensive. To address this challenge, a data-driven method is proposed that predicts the lifetime of electrical connectors using statistical analysis of electrical contact resistance data collected from short-term tests. The predictions from this method were compared to actual results obtained from long-term tests. A strong correlation was observed between the contact resistance development in short-term tests and the number of failures in later stages of testing. Thus, apart from predicting the lifetime of connectors, this method can also be applied for failure prognosis in real-time operations. Full article
(This article belongs to the Special Issue Intelligent Machinery Fault Diagnosis and Maintenance)
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16 pages, 1606 KiB  
Article
Implementation and Possibilities of Fuzzy Logic for Optimal Operation and Maintenance of Marine Diesel Engines
by Hla Gharib and György Kovács
Machines 2024, 12(6), 425; https://doi.org/10.3390/machines12060425 - 20 Jun 2024
Viewed by 522
Abstract
This paper explores the implementation and possibilities of utilizing fuzzy logic theory for optimal operation and early fault detection in marine diesel engines. It emphasizes its role in managing the complexity and ambiguity inherent in engine performance and preventive maintenance. Preventive maintenance is [...] Read more.
This paper explores the implementation and possibilities of utilizing fuzzy logic theory for optimal operation and early fault detection in marine diesel engines. It emphasizes its role in managing the complexity and ambiguity inherent in engine performance and preventive maintenance. Preventive maintenance is crucial for ensuring the reliability and longevity of marine diesel engines. Implementing fuzzy logic control (FLC) systems can enhance the preventive maintenance strategies for these engines, leading to reduced downtime, lower maintenance costs, and improved overall performance. Through a comprehensive literature review and analysis of a case study, this paper demonstrates the adaptability, effectiveness, and transformative potential of fuzzy logic systems. Focusing on applications such as engine speed control, performance improvements, and early fault detection, the paper highlights the implementation of fuzzy logic for enhanced predictive capabilities. The study aims to offer a flexible approach to engine management through fuzzy logic, laying the way for significant improvement in optimal marine diesel engine operation. Full article
(This article belongs to the Special Issue Intelligent Machinery Fault Diagnosis and Maintenance)
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Review

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33 pages, 17121 KiB  
Review
Mathematical Complexities in Modelling Damage in Spur Gears
by Aselimhe Oreavbiere and Muhammad Khan
Machines 2024, 12(5), 346; https://doi.org/10.3390/machines12050346 - 16 May 2024
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Abstract
Analytical modelling is an effective approach to obtaining a gear dynamic response or vibration pattern for health monitoring and useful life prediction. Many researchers have modelled this response with various fault conditions commonly observed in gears. The outcome of such models provides a [...] Read more.
Analytical modelling is an effective approach to obtaining a gear dynamic response or vibration pattern for health monitoring and useful life prediction. Many researchers have modelled this response with various fault conditions commonly observed in gears. The outcome of such models provides a good idea about the changes in the dynamic response available between different gear health states. Hence, a catalogue of the responses is currently available, which ought to aid predictions of the health of actual gears by their vibration patterns. However, these analytical models are limited in providing solutions to useful life prediction. This may be because a majority of these models used single fault conditions for modelling and are not valid to predict the remaining life of gears undergoing more than one fault condition. Existing reviews related to gear faults and dynamic modelling can provide an overview of fault modes, methods for modelling and health prediction. However, these reviews are unable to provide the critical similarities and differences in the single-fault dynamic models to ascertain the possibility of developing models under combined fault modes. In this paper, existing analytical models of spur gears are reviewed with their associated challenges to predict the gear health state. Recommendations for establishing more realistic models are made especially in the context of modelling combined faults and their possible impact on gear dynamic response and health prediction. Full article
(This article belongs to the Special Issue Intelligent Machinery Fault Diagnosis and Maintenance)
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