{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T22:53:23Z","timestamp":1777503203034,"version":"3.51.4"},"reference-count":35,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T00:00:00Z","timestamp":1757980800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>Induction motors are a common component of electromechanical equipment in mining operations, yet they are susceptible to failures resulting from frequent start\u2013stops, overloading, wear and tear, and component failure. It is evident that such failures can result in severe ramifications, encompassing industrial accidents and economic losses. The present paper proposes a detailed study of engine fault diagnosis technology. It has been demonstrated that prevailing intelligent engine diagnosis algorithms exhibit a limited diagnostic efficacy under variable operating conditions, and the reliability of diagnostic outcomes based on individual signals is questionable. The present paper puts forward the proposition of an investigation into a fault diagnosis algorithm for induction motors. This investigation utilized a range of analytical methods, including signal analysis, deep learning, transfer learning, and information fusion. Currently, the methods employed for fault diagnosis based on traditional machine learning are reliant on the selection of statistical features by those with expertise in the field, resulting in outcomes that are significantly influenced by human factors. This paper is the first to integrate a multi-branch ResNet strategy combining three-phase and single-phase currents. A range of three-phase current input strategies were developed, and a deep learning-based motor fault diagnosis model with adaptive feature extraction was established. This enables the deep residual network to extract fault depth features from the motor current signal more effectively. The experimental findings demonstrate that deep learning possesses the capacity to automatically extract depth features, thereby exceeding the capabilities of conventional machine learning algorithms with regard to the accuracy of motor fault diagnosis.<\/jats:p>","DOI":"10.3390\/sym17091548","type":"journal-article","created":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T07:33:02Z","timestamp":1758007982000},"page":"1548","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Monitoring and Diagnostics of Mining Electromechanical Equipment Based on Machine Learning"],"prefix":"10.3390","volume":"17","author":[{"given":"Eduard","family":"Muratbakeev","sequence":"first","affiliation":[{"name":"Institute of General Engineering, Empress Catherine II Saint Petersburg Mining University, 2, 21st Line, St. Petersburg 199106, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-1822-7117","authenticated-orcid":false,"given":"Yuriy","family":"Kozhubaev","sequence":"additional","affiliation":[{"name":"Faculty of Energy, Empress Catherine II Saint Petersburg Mining University, 2, 21st Line, St. Petersburg 199106, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-2651-899X","authenticated-orcid":false,"given":"Diana","family":"Novak","sequence":"additional","affiliation":[{"name":"Institute of General Engineering, Empress Catherine II Saint Petersburg Mining University, 2, 21st Line, St. Petersburg 199106, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roman","family":"Ershov","sequence":"additional","affiliation":[{"name":"JSC \u201cVorkutaugol\u201d, Vorkuta 169908, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhou","family":"Wei","sequence":"additional","affiliation":[{"name":"Higher School of Cyberphysical Systems & Control, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,9,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Koteleva, N.I., Korolev, N.A., and Zhukovskiy, Y.L. 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