{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T17:35:55Z","timestamp":1773855355125,"version":"3.50.1"},"reference-count":45,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2021,9,23]],"date-time":"2021-09-23T00:00:00Z","timestamp":1632355200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","award":["2019B52914"],"award-info":[{"award-number":["2019B52914"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Chinese (Jiangsu)-Czech Bilateral Co-funding R&amp;D Project","award":["BZ2018022"],"award-info":[{"award-number":["BZ2018022"]}]},{"DOI":"10.13039\/501100004608","name":"Natural Science Foundation of Jiangsu Province","doi-asserted-by":"publisher","award":["BK20171439"],"award-info":[{"award-number":["BK20171439"]}],"id":[{"id":"10.13039\/501100004608","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>As a global vibration characteristic, natural frequency often suffers from insufficient sensitivity to structural damage, which is associated with local variations of structural material or geometric properties. Such a drawback is particularly significant when dealing with the large scale and complexity of sluice structural systems. To this end, a damage detection method in sluice hoist beams is proposed that relies on the utilization of the local primary frequency (LPF), which is obtained based on the swept frequency excitation (SFE) technique and local resonance response band (LRRB) selection. Using this method, the local mode of the target sluice hoist beam can be effectively excited, while the vibrations of other components in the system are suppressed. As a result, the damage will cause a significant shift in the LPF of the sluice hoist beam at the local mode. A damage index was constructed to quantitatively reflect the damage degree of the sluice hoist beam. The accuracy and reliability of the proposed method were verified on a three-dimensional finite element model of a sluice system, with the noise resistance increased from 0.05 to 0.2 based on the hammer impact method. The proposed method exhibits promising potential for damage detection in complex structural systems.<\/jats:p>","DOI":"10.3390\/s21196357","type":"journal-article","created":{"date-parts":[[2021,9,27]],"date-time":"2021-09-27T22:16:38Z","timestamp":1632780998000},"page":"6357","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Identification of Damage on Sluice Hoist Beams Using Local Mode Evoked by Swept Frequency Excitation"],"prefix":"10.3390","volume":"21","author":[{"given":"Qingyang","family":"Wei","sequence":"first","affiliation":[{"name":"College of Mechanics and Materials, Hohai University, Nanjing 210098, China"}]},{"given":"Hao","family":"Xu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Structural Analysis for Industrial Equipment, Faculty of Vehicle Engineering and Mechanics, School of Aeronautics and Astronautics, Dalian University of Technology, Dalian 116024, China"}]},{"given":"Yifei","family":"Li","sequence":"additional","affiliation":[{"name":"College of Mechanics and Materials, Hohai University, Nanjing 210098, China"}]},{"given":"Li","family":"Chen","sequence":"additional","affiliation":[{"name":"Donghua Testing Technology Co., Ltd., Taizhou 214500, China"}]},{"given":"Drahom\u00edr","family":"Nov\u00e1k","sequence":"additional","affiliation":[{"name":"Faculty of Civil Engineering, Brno University of Technology, 60200 Brno, Czech Republic"},{"name":"College of Civil and Architecture Engineering, Chuzhou University, Chuzhou 239000, China"}]},{"given":"Li","family":"Cui","sequence":"additional","affiliation":[{"name":"College of Civil and Architecture Engineering, Chuzhou University, Chuzhou 239000, China"}]},{"given":"Maosen","family":"Cao","sequence":"additional","affiliation":[{"name":"College of Mechanics and Materials, Hohai University, Nanjing 210098, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1007\/s40996-019-00310-x","article-title":"Investigation of Free Flow Under the Sluice Gate with the Sill Using Flow-3D Model","volume":"44","author":"Karami","year":"2020","journal-title":"Iran. 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