AI-based technology to prognose and diagnose complex crack characteristics of railway concrete sleepers

Sakdirat Kaewunruen*, Abdullah Abimbola Adesope, Junhui Huang, Ruilin You, Dan Li

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Railway concrete sleepers are key safety-critical components in ballasted railway tracks. Due to frequent high-intensity impact loadings from train-track interaction over irregularities together with hostile environmental conditions, complicated characteristics of various crack patterns can incur on railway concrete sleepers, which will decrease their durability and service life overtime. Early warning of those cracks can help railway engineers to plan and schedule for renewal and maintenance timely and effectively. This study thus explores the artificial intelligence application of YOLOv5OBB (YOLOv5 with Oriented Bounding Box output) in the identification and classification of cracks in railway sleepers into three distinct types: longitudinal, transverse, and inclined, based on their specific crack angles, which have not been investigated in the past. The identification of crack angles is the novelty of this study. Recognising the various types of cracks is critical, given their varying causes and degrees of severity. Current corrective maintenance methods pose considerable safety risks to workers and exhibit low efficiency, underscoring the need for a more autonomous and efficient solution. This study marks a significant stride towards revolutionising railway maintenance, evidenced by an impressive mAP (Mean Average Precision) of 0.72 for crack detection and a 92% accuracy rate for angle detection. These promising results substantiate our study's potential to pioneer advancements in railway infrastructure maintenance.
Original languageEnglish
Article number217
Number of pages16
JournalDiscover Applied Sciences
Volume6
Issue number5
DOIs
Publication statusPublished - 19 Apr 2024

Bibliographical note

Acknowledgements:
The authors wish to gratefully acknowledge the Japan Society for Promotion of Science (JSPS) for JSPS Invitation Research Fellowship (long-term), Grant No. L15701, at the Track Dynamics Laboratory, Railway Technical Research Institute and at Concrete Laboratory, the University of Tokyo, Tokyo, Japan. The JSPS financially supported this work as part of the research project entitled “Smart and reliable railway infra-structure”. Special thanks are given to the European Commission for H2020-MSCA-RISE Project No. 691135 “RISEN: Rail Infrastructure Systems Engineering Network”. Partial support from and by European Commission and UKRI Engineering and Physical Science Research Council (EPSRC) for the financial sponsorship of Re4Rail project (Grant No. EP/ Y015401/1) is acknowledged. In addition, the sponsorships and assistance from PCAT, Transport for London (TfL), China Academy of Railway Science, and RSSB (Rail Safety and Standard Board, UK) are highly appreciated.

Funding:
This research was funded by H2020 Marie Curie Action, grant number 691135; and by European Commission and UKRI Engineering and Physical Science Research Council (EPSRC) for the financial sponsorship of Re4Rail project (Grant No. EP/ Y015401/1). The APC has been kindly sponsored by the University of Birmingham’s Open Access Fund.

Keywords

  • Track maintenance
  • Cracks
  • Machine learning
  • Railway concrete sleepers
  • Damage detection
  • YOLO

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