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Applied Sciences
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Fault Diagnosis and Condition Monitoring of Transmission Systems
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Fault Diagnosis and Condition Monitoring of Transmission Systems

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

Deadline for manuscript submissions: closed (30 March 2024) | Viewed by 2145

Special Issue Editor

Prof. Dr. Guobin Li

E-Mail Website
Guest Editor
Marine Engineering College, Dalian Maritime University, Dalian 116026, China
Interests: transmission systems; friction and wear; fault diagnosis; condition monitoring; data-driven

Special Issue Information

Dear Colleagues,

Transmission systems are used in mechanical equipment in a variety of industries, such as mining, automobile, aerospace, and shipping. This field of research is developing in the direction of large-scale, high-speed, automated, intelligent, and environmentally friendly systems as the level of industry, science, and technology continues to improve. There has been a gradual improvement in performance, a continual improvement in its function, and a growing complexity in structure. This poses some challenges in the condition monitoring and fault diagnosis of transmission systems.

This Special Issue, entitled “Fault Diagnosis and Condition Monitoring of Transmission Systems”, aims to provide a platform to disseminate research findings from both academia and industry on the failure mechanisms, fault characterization, and condition monitoring of transmission systems and their components (e.g., gear, shaft, and bearings).

Topics of interest include, but are not limited to, the following:

  • Signal acquisition and sensing technology;
  • Fault mechanism–symptom relationship;
  • Signal processing and feature extraction;
  • Intelligent diagnosis and decision-making methods.

We welcome papers in the form of state-of-the-art reviews, original research, and real-world applications.

Please contact us if you have any questions regarding submission.

Best regards,

Prof. Dr. Guobin Li
Guest Editor

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.

Published Papers (2 papers)

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Research

14 pages, 15013 KiB  
Article
A Detecting Method for “Weak” Friction-Induced Vibration Based on Cross-Correlation Analysis between Vibration and Sound Signals
by Pengfei Xing, Yanchao Zhu, Guobin Li, Ting Liu, Honglin Gao, Yuchao Song and Hongpeng Zhang
Appl. Sci. 2023, 13(13), 7468; https://doi.org/10.3390/app13137468 - 24 Jun 2023
Cited by 3 | Viewed by 901
Abstract
The “weak” friction-induced vibration can help to monitor the change in friction and wear state of friction pairs and detect the failure of surface damage. However, they are typically submerged in complex interference components during friction. Therefore, detecting accurate “weak” friction-induced vibration is [...] Read more.
The “weak” friction-induced vibration can help to monitor the change in friction and wear state of friction pairs and detect the failure of surface damage. However, they are typically submerged in complex interference components during friction. Therefore, detecting accurate “weak” friction-induced vibration is key to using it entirely. A method based on the correlation between friction-induced vibration and sound signals was proposed to achieve this goal. The ball–disk wear experiments were conducted under oil lubrication using a wear tester. Vibration and sound pressure signals generated during the experiments were recorded. By the spectrum analysis of the cross-correlation function calculated from the two types of signals, the “weak” FIV components submerged in the original signals were detected. The experimental results showed that the root mean square change of the “weak” friction-induced vibration detected in the vibration and sound pressure signals was highly consistent with the friction coefficient change. It could effectively characterize the transition of the wear stage from running-in to stable wear of the friction pairs. Therefore, the cross-correlation analysis of vibration and sound signals could be a reliable tool for detecting the “weak” friction-induced vibration. Full article
(This article belongs to the Special Issue Fault Diagnosis and Condition Monitoring of Transmission Systems)
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15 pages, 6240 KiB  
Article
Experimental Studies on the Strength of a Flatcar during Shunting Impacts
by Glib Vatulia, Juraj Gerlici, Alyona Lovska, Oleksij Fomin, Andrii Okorokov, Mykhailo Pavliuchenkov, Dmytro Petrenko and Oleksandr Kravchenko
Appl. Sci. 2023, 13(8), 4901; https://doi.org/10.3390/app13084901 - 13 Apr 2023
Cited by 2 | Viewed by 871
Abstract
The increasing demand for container transportation makes it necessary to equip the wagon fleet with appropriate flatcars in good technical condition. The study deals with the determination of the strength of the flatcar during shunting impacts using the finite element method. The flatcar [...] Read more.
The increasing demand for container transportation makes it necessary to equip the wagon fleet with appropriate flatcars in good technical condition. The study deals with the determination of the strength of the flatcar during shunting impacts using the finite element method. The flatcar model 13-401 modernized with fixed fittings for securing containers on the frame was used as a prototype. The authors determined the fields of the maximum equivalent stresses in the bearing structure of a flatcar. The strength calculation was made in SolidWorks Simulation. It was found that, during a shunting collision, the maximum equivalent stresses to the flatcar were about 418 MPa and they were concentrated in the fixed fittings. The strength was also studied using the method of electric strain gauging. The research included different impact speeds. The test results showed that the maximum difference between the stresses obtained theoretically and experimentally was 17.0%. The strength model of the flatcar was tested using the Fisher criterion. The study demonstrated that the damage to the bearing structure of the flatcar and containers could be reduced when applying an improved interaction diagram. Full article
(This article belongs to the Special Issue Fault Diagnosis and Condition Monitoring of Transmission Systems)
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