{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T14:33:48Z","timestamp":1788964428000,"version":"build-2803163510"},"reference-count":31,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T00:00:00Z","timestamp":1747094400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51775456"],"award-info":[{"award-number":["51775456"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2023YFG0197"],"award-info":[{"award-number":["2023YFG0197"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2023TPL_T08"],"award-info":[{"award-number":["2023TPL_T08"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2682022ZTPY007"],"award-info":[{"award-number":["2682022ZTPY007"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Key R&amp;D projects in Sichuan Province","award":["51775456"],"award-info":[{"award-number":["51775456"]}]},{"name":"Key R&amp;D projects in Sichuan Province","award":["2023YFG0197"],"award-info":[{"award-number":["2023YFG0197"]}]},{"name":"Key R&amp;D projects in Sichuan Province","award":["2023TPL_T08"],"award-info":[{"award-number":["2023TPL_T08"]}]},{"name":"Key R&amp;D projects in Sichuan Province","award":["2682022ZTPY007"],"award-info":[{"award-number":["2682022ZTPY007"]}]},{"name":"Self-developed Research Project of the State Key Laboratory of Traction Power","award":["51775456"],"award-info":[{"award-number":["51775456"]}]},{"name":"Self-developed Research Project of the State Key Laboratory of Traction Power","award":["2023YFG0197"],"award-info":[{"award-number":["2023YFG0197"]}]},{"name":"Self-developed Research Project of the State Key Laboratory of Traction Power","award":["2023TPL_T08"],"award-info":[{"award-number":["2023TPL_T08"]}]},{"name":"Self-developed Research Project of the State Key Laboratory of Traction Power","award":["2682022ZTPY007"],"award-info":[{"award-number":["2682022ZTPY007"]}]},{"name":"Basic Scientific Research Business Expenses of Central Universities\u2014Special Research Project","award":["51775456"],"award-info":[{"award-number":["51775456"]}]},{"name":"Basic Scientific Research Business Expenses of Central Universities\u2014Special Research Project","award":["2023YFG0197"],"award-info":[{"award-number":["2023YFG0197"]}]},{"name":"Basic Scientific Research Business Expenses of Central Universities\u2014Special Research Project","award":["2023TPL_T08"],"award-info":[{"award-number":["2023TPL_T08"]}]},{"name":"Basic Scientific Research Business Expenses of Central Universities\u2014Special Research Project","award":["2682022ZTPY007"],"award-info":[{"award-number":["2682022ZTPY007"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>With the vigorous development of speedy railway technology, steel rails, as an important structural infrastructure in speedy railways, play a crucial role in ensuring the safety of the entire speedy railway operation. A brand-new type of speedy rail inspection robot and its fault detection method are proposed to solve a number of problems, such as the difficulty and low accuracy of real-time online detection of rail defects and damage in speedy railways. The brand-new rail inspection robot is driven by two drive wheels and adopts a standard rail gauge of 1435 mm, which ensures its speedy and smooth operation on the track as well as accurate motion posture information. Firstly, 12 common types of surface damage of the rail head were analyzed and classified into five categories based on their damage characteristics. The motion state of the rail inspection robot under the five types of surface damage of the rail head was analyzed and subjected to kinematic analysis. This study analyzed the relationship between the distinctive types of damage and the motion posture of the robot during the inspection of the five types of damage. Finally, experimental tests were conducted, and it was found that the robot\u2019s motion posture would undergo sudden changes when inspecting distinctive types of injuries; the highest error rate was 3%. The effectiveness of this method was verified through experiments, and the proposed new track detection robot can greatly improve the track detection efficiency of high-speed railways and has specific academic research value and practical application value.<\/jats:p>","DOI":"10.3390\/s25103063","type":"journal-article","created":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T06:40:23Z","timestamp":1747118423000},"page":"3063","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["A Novel Rail Damage Fault Detection Method for High-Speed Railway"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-7407-2434","authenticated-orcid":false,"given":"Yu","family":"Wang","sequence":"first","affiliation":[{"name":"National Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610032, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9909-3873","authenticated-orcid":false,"given":"Bingrong","family":"Miao","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610032, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying","family":"Zhang","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610032, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhong","family":"Huang","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610032, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Songyuan","family":"Xu","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610032, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,5,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"203894","DOI":"10.1016\/j.wear.2021.203894","article-title":"Effects of dent size on the evolution process of rolling contact fatigue damage on defective rail","volume":"477","author":"Zhang","year":"2021","journal-title":"Wear"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"105536","DOI":"10.1016\/j.ijfatigue.2020.105536","article-title":"A 2D peridynamic model for fatigue crack initiation of railheads","volume":"135","author":"Ma","year":"2020","journal-title":"Int. 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