{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T11:15:11Z","timestamp":1775128511902,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2022,9,4]],"date-time":"2022-09-04T00:00:00Z","timestamp":1662249600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key Research and Development Program of China","award":["2020YFB1712200"],"award-info":[{"award-number":["2020YFB1712200"]}]},{"name":"National Key Research and Development Program of China","award":["51802293"],"award-info":[{"award-number":["51802293"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2020YFB1712200"],"award-info":[{"award-number":["2020YFB1712200"]}],"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":["51802293"],"award-info":[{"award-number":["51802293"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Carrying out status monitoring and fault-diagnosis research on cutter-wear status is of great significance for real-time understanding of the health status of Tunnel Boring Machine (TBM) equipment and reducing downtime losses. In this work, we proposed a new method to diagnose the abnormal wear state of the disc cutter by using brain-like artificial intelligence to process and analyze the vibration signal in the dynamic contact between the disc cutter and the rock. This method is mainly aimed at realizing the diagnosis and identification of the abnormal wear state of the cutter, and is not aimed at the accurate measurement of the wear amount. The author believes that when the TBM is operating at full power, the cutting forces are very high and the rock is successively broken, resulting in a complex circumstance, which is inconvenient to vibration signal acquisition and transmission. If only a small thrust is applied, to make the cutters just contact with the rock (less penetration), then the cutters will run more smoothly and suffer less environmental interference, which would be beneficial to apply the method proposed in this paper to detect the state of the cutters. A specific example was to use the frequency-domain characteristics of the periodic vibration waveform during the contact between the cutter and the granite to identify the wear status (including normal wear state, wear failure state, angled wear failure state) of the disc cutter through the artificial neural network, and the diagnosis accuracy rate is 90%.<\/jats:p>","DOI":"10.3390\/s22176686","type":"journal-article","created":{"date-parts":[[2022,9,8]],"date-time":"2022-09-08T04:18:32Z","timestamp":1662610712000},"page":"6686","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["A New Strategy for Disc Cutter Wear Status Perception Using Vibration Detection and Machine Learning"],"prefix":"10.3390","volume":"22","author":[{"given":"Xiaobo","family":"Pu","sequence":"first","affiliation":[{"name":"Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China"},{"name":"China Railway Engineering Equipment Group Technical Service Co., Ltd., Zhengzhou 450000, China"}]},{"given":"Lingxu","family":"Jia","sequence":"additional","affiliation":[{"name":"Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China"}]},{"given":"Kedong","family":"Shang","sequence":"additional","affiliation":[{"name":"Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China"}]},{"given":"Lei","family":"Chen","sequence":"additional","affiliation":[{"name":"Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6773-8438","authenticated-orcid":false,"given":"Tingting","family":"Yang","sequence":"additional","affiliation":[{"name":"Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China"}]},{"given":"Liangwu","family":"Chen","sequence":"additional","affiliation":[{"name":"China Railway Engineering Equipment Group Technical Service Co., Ltd., Zhengzhou 450000, China"}]},{"given":"Libin","family":"Gao","sequence":"additional","affiliation":[{"name":"China Railway Engineering Equipment Group Technical Service Co., Ltd., Zhengzhou 450000, China"}]},{"given":"Linmao","family":"Qian","sequence":"additional","affiliation":[{"name":"Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"052026","DOI":"10.1088\/1755-1315\/570\/5\/052026","article-title":"Analysis of TBM disc cutter wear: A case study of a water conveyance tunnel project in Xinjiang, China","volume":"570","author":"Ban","year":"2020","journal-title":"IOP Conf. 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