{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T11:03:49Z","timestamp":1761563029520,"version":"build-2065373602"},"reference-count":107,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2024,2,5]],"date-time":"2024-02-05T00:00:00Z","timestamp":1707091200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Norwegian Railway Directorate"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this paper, a different approach to the traditional literature review\u2014literature systematic mapping\u2014is adopted to summarize the progress in the recent research on railway catenary system condition monitoring in terms of aspects such as sensor categories, monitoring targets, and so forth. Importantly, the deep interconnections among these aspects are also investigated through systematic mapping. In addition, the authorship and publication trends are also examined. Compared to a traditional literature review, the literature mapping approach focuses less on the technical details of the research but reflects the research trends, and focuses in a specific field by visualizing them with the help of different plots and figures, which makes it more visually direct and comprehensible than the traditional literature review approach.<\/jats:p>","DOI":"10.3390\/s24031023","type":"journal-article","created":{"date-parts":[[2024,2,5]],"date-time":"2024-02-05T03:28:29Z","timestamp":1707103709000},"page":"1023","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Railway Catenary Condition Monitoring: A Systematic Mapping of Recent Research"],"prefix":"10.3390","volume":"24","author":[{"given":"Shaoyao","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gunnstein T.","family":"Fr\u00f8seth","sequence":"additional","affiliation":[{"name":"Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefano","family":"Derosa","sequence":"additional","affiliation":[{"name":"Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7321-1197","authenticated-orcid":false,"given":"Albert","family":"Lau","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anders","family":"R\u00f6nnquist","sequence":"additional","affiliation":[{"name":"Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,2,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"71","DOI":"10.4203\/ijrt.6.3.4","article-title":"Operational displacement estimations of railway catenary systems by photogrammetry and the integration of acceleration time series","volume":"6","year":"2017","journal-title":"Int. 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