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Real-Time Structural Damage and Impact Identification, and Life Prediction Using Advanced Sensor Systems and Methods

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Fault Diagnosis & Sensors".

Deadline for manuscript submissions: 15 December 2025 | Viewed by 628

Special Issue Editors


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Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: innovative design of major equipment; damage mechanisms of complex structures; intelligent in situ monitoring; machine vision technology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Interests: structural design of underground engineering equipment; online detection of tool status; tool change robot design; machine vision; shield big data mining and analysis

E-Mail Website
Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: dynamics analysis of rotating machinery; advanced damping and vibration control technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Structural damage can significantly affect the service life of equipment, making the monitoring of structural damage and impact loads particularly important. Recently, there has been growing interest in intelligent condition monitoring of structures. Intelligent monitoring of structural states primarily utilizes sensors to track changes in the damage conditions of various structures, enabling the identification and warning of current damage, as well as the prediction of the structure's remaining healthy life.

This Special Issue aims to compile original research and review articles on recent advances, technologies, solutions, applications, and new challenges in the field of structural damage identification and prediction.

Potential topics include, but are not limited to, the following:

  • Visual impairment recognition;
  • Online prediction of structural damage;
  • Structural wear and life prediction;
  • Structural health monitoring based on multi-sensor systems;
  • Load identification and warning;
  • Load advance prediction;
  • Structural impact identification and early warning;
  • Crack initiation monitoring;
  • Crack growth prediction;
  • Structural fatigue life monitoring;
  • Development of new sensors for crack detection.

Prof. Dr. Junzhou Huo
Dr. Laikuang Lin
Dr. Jingyu Zhai
Guest Editors

Manuscript Submission Information

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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. Sensors 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 2600 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

  • sensing
  • structural damage
  • multi-sensor fusion
  • structural life prediction
  • impact monitoring
  • load prediction
  • crack detection
  • crack initiation and propagation

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Published Papers (1 paper)

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Research

19 pages, 20264 KB  
Article
Metal Crack Length Prediction and Sensor Fault Self-Diagnosis Method Based on Deep Forest
by Qiang Gao, Yang Meng, Hua Li, Bowen Yang and Junzhou Huo
Sensors 2025, 25(23), 7149; https://doi.org/10.3390/s25237149 - 23 Nov 2025
Viewed by 340
Abstract
Metal structures develop cracks under fatigue loading, which subsequently propagate. The size of the cracks directly affects the fatigue life of the structure. Accurate prediction of crack lengths under various loading conditions is crucial for the safe service of structures. And the crack [...] Read more.
Metal structures develop cracks under fatigue loading, which subsequently propagate. The size of the cracks directly affects the fatigue life of the structure. Accurate prediction of crack lengths under various loading conditions is crucial for the safe service of structures. And the crack length has a significant influence on the local strain of the structure. In this paper, finite element analysis (FEA) is used to extract strain data from various measurement points of compressive and tensile (CT) specimens under different loading conditions. The Deep Forest (DF) model is employed to optimize the training of the data. Compensation is applied to the measured dynamic strain data for predicting crack length. Experimental results show that multi-dimensional input signals in the XY plane can accurately predict crack length. Additionally, based on the Pearson correlation coefficient, this paper proposes a self-diagnostic coefficient for strain sensors. Combined with the DF model, it enables self-diagnosis of the strain sensor. The proposed crack length prediction and strain sensor self-diagnosis methods enhance the intelligence level of crack state monitoring to some extent. Full article
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