Digital Twin and Fault Diagnosis

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Engineering and Materials".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1980

Special Issue Editors


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Guest Editor
1. Key Laboratory of Advanced Manufacturing Technology, Ministry of Education, Guizhou University, Guiyang 550025, China
2. School of Mechanical Engineering, Guiyang University, Guiyang 550005, China
Interests: digital twin; intelligent manufacturing; defect detection; manufacturing big data analytics

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Guest Editor
Key Laboratory of Advanced Manufacturing Technology, Ministry of Education, Guizhou University, Guiyang 550025, China
Interests: intelligent manufacturing; manufacturing big data and manufacturing information systems
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, China
Interests: intelligent manufacturing; deep learning; machine learning; fault diagnosis; surface defect recognition
Special Issues, Collections and Topics in MDPI journals
College of Big Data Statistics, Guizhou University of Finance and Economics, Guiyang 550025, China
Interests: computer vision; machine learning; intelligent manufacturing

Special Issue Information

Dear Colleagues,

Symmetry is one of the most important notions of digital twin and fault diagnosis. At present, modern information technology represented by the internet, big data, artificial intelligence, etc., is changing rapidly, a novel cycle of technological revolution and industrial transformation is flourishing, and intelligent industries are developing rapidly, with significant and far-reaching impacts in economic development, social progress, and global governance. Together with artificial intelligence, digital twins are the key to solving the problem of "intelligence". As a potential way to realize the interaction and integration of the physical world and the information world of intelligent manufacturing, digital twins have been gradually applied to all aspects of product life cycle, being of great significance for improving the quality of the development, manufacturing productivity, and predictive maintenance. The production process of products generates massive amounts of multi-source, heterogeneous data, which can be analyzed and processed in real-time using digital twin technology to obtain more comprehensive and valuable information, providing fault diagnosis and health management services for production equipment, whilst at the same time providing staff with technical guidance and management decision-making services. Although the application of digital twin technology is now very promising, opening up cross-domain hyper-convergence development, it still has many challenges. It is urgent to comprehend the symmetric phenomenon of digital twins and fault diagnosis, thereby developing breakthroughs and innovations in digital-twin-based technologies for system fault diagnosis, life prediction, and health management.

The purposes of this Special Issue are to present a symmetric study on digital twins and fault diagnosis, to demonstrate the benefits, and to anticipate potential challenges. We are pleased to invite submissions presenting original and high-quality research work on digital twins and fault diagnosis. We plan to consider submissions introducing novel research problems and concepts, developing novel and rigorous methodologies to tackle problems, and presenting innovative applications.

The scope of this Special Issue covers all topics related to digital twins and fault diagnosis, including, but not limited to, symmetry in the digital twin; data-driven process monitoring and fault diagnosis; digital twins in intelligent manufacturing; artificial intelligence in the digital twin; synchronization of physical and virtual entities; condition monitoring, fault diagnosis and predictive maintenance.

We look forward to receiving your contributions.

Dr. Qipeng Chen
Prof. Dr. Haisong Huang
Prof. Dr. Xinyu Li
Dr. Yiting Li
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. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • digital twin
  • fault diagnosis
  • data driven
  • condition monitoring
  • predictive maintenance
  • deep learning
  • workshop scheduling
  • defect detection
  • intelligent manufacturing system
  • natural language processing

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Published Papers (1 paper)

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Research

24 pages, 5976 KiB  
Article
Construction of Virtual Interaction Location Prediction Model Based on Distance Cognition
by Zhenghong Liu, Huiliang Zhao, Jian Lv, Qipeng Chen and Qiaoqiao Xiong
Symmetry 2022, 14(10), 2178; https://doi.org/10.3390/sym14102178 - 17 Oct 2022
Cited by 1 | Viewed by 1297
Abstract
Due to the difference in distance cognition between virtual and real symmetric space, it is difficult for users to accurately interact with the target in the Digital Twin system. In order to study the cross-effects of interaction task, target size and target location [...] Read more.
Due to the difference in distance cognition between virtual and real symmetric space, it is difficult for users to accurately interact with the target in the Digital Twin system. In order to study the cross-effects of interaction task, target size and target location on the accuracy of egocentric peripersonal distance cognition, a 2 × 5 × 9 × 5 asymmetric experiment was designed and carried out. There were two kinds of interaction tasks, five kinds of interaction target widths and nine kinds of spatial locations set to estimate the five egocentric peripersonal distances. Based on the experimental data, with interaction task, target width and the actual spatial location as independent variables and virtual interaction location as a dependent variable, the mapping model between the actual physical location and virtual interaction location of different interaction targets was constructed and evaluated by multiple linear regression method. The results showed that the prediction model constructed by stepwise regression method was simple and less computationally intensive, but it had better stability and prediction ability. The correlation coefficients R2 on xp, yp and zp were 0.994, 0.999 and 0.998, RMSE values were 2.583 cm, 1.0774 cm and 1.3155 cm, rRMSE values were 26.57%, 12.60% and 1.15%, respectively. The research of relevant experiments and the construction of models are helpful to solve the layout optimization problem of virtual interactive space in the Digital Twin system. Full article
(This article belongs to the Special Issue Digital Twin and Fault Diagnosis)
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