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Mechanical Fault Diagnosis and Signal Processing

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 763

Special Issue Editors


E-Mail Website
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

Special Issue Information

Dear Colleagues,

This Special Issue aims to collect and publish the results of innovative research in the field of mechanical fault diagnosis and signal processing. Electrical and mechanical machines such as motors, pumps, gearboxes, and compressors are widely used in industrial processes; although most of these elements have been previously assessed, new challenges arise as industry applications and machinery configurations become increasingly complex. While any machine is strictly composed of mechanical elements that can fail due to extreme operating conditions, the most common faults are related to problems in shafts, bearings, couplings, gears, and rotors.

This Special Issue will share novel signal processing methods applied to the detection and identification of mechanical faults, involving applications based on classic or advanced processing techniques like Fourier Transform, Wavelet Transform, Hilbert Transform, and MUSIC.

Thus, this Special Issue is focused on, but not limited to, the following topics:

  • Intelligent fault detection;
  • High-resolution signal processing;
  • Noise elimination and feature extraction;
  • Non-linear operating conditions;
  • Electromechanical systems.

Dr. Juan Jose Saucedo-Dorantes
Dr. Miguel Delgado-Prieto
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. Applied Sciences is an international peer-reviewed open access semimonthly 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 detection
  • high-resolution signal processing
  • noise elimination and feature extraction
  • non-linear operating conditions
  • electromechanical systems

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Published Papers (1 paper)

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Research

19 pages, 7034 KiB  
Article
Dynamic Characteristics Analysis of Cylindrical Roller Bearing with Dimensional Deviations in Cage Pocket
by Jiajia Xin, Zhi Wang, Xu Hao, Xiaoye Qi, Yongjie Wang and Baogang Wen
Appl. Sci. 2024, 14(20), 9433; https://doi.org/10.3390/app14209433 - 16 Oct 2024
Viewed by 501
Abstract
Dimensional deviations in the cage pocket of a roller bearing can significantly affect the bearing’s dynamic performance, directly determining the positional stability of the roller. These deviations can result in roller misalignment, increasing friction and wear. Deviations arise from machining errors and deformation [...] Read more.
Dimensional deviations in the cage pocket of a roller bearing can significantly affect the bearing’s dynamic performance, directly determining the positional stability of the roller. These deviations can result in roller misalignment, increasing friction and wear. Deviations arise from machining errors and deformation during motion, etc. A dynamic model of a cylindrical roller bearing that accounts for cage flexibility was developed to explore the impact of deviations. The flexible cage provides a more realistic representation compared to the rigid cage. The effects of deviations in the length and width of the cage pocket on the bearing’s dynamic behavior were analyzed, and the results show that deviations in cage pocket dimensions lead to notable changes in bearing dynamics. Specifically, when the length deviation is negative and increasing, the amplitude of cage motion decreases, while both transitional and rotational speeds rise. It also causes greater fluctuations in the rotational speeds of the inner ring and rollers. Conversely, the cage’s equivalent stress and the contact load decrease and the amplitude of cage motion increases with increases in width deviation. Full article
(This article belongs to the Special Issue Mechanical Fault Diagnosis and Signal Processing)
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