{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,21]],"date-time":"2025-12-21T06:09:18Z","timestamp":1766297358790,"version":"build-2065373602"},"reference-count":21,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2010,11,9]],"date-time":"2010-11-09T00:00:00Z","timestamp":1289260800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A method is proposed for evaluating the dynamical friction of linear bearings, whose motion is not perfectly linear due to some play in its internal mechanism. In this method, the moving part of a linear bearing is made to move freely, and the force acting on the moving part is measured as the inertial force given by the product of its mass and the acceleration of its centre of gravity. To evaluate the acceleration of its centre of gravity, the acceleration of two different points on it is measured using a dual-axis optical interferometer.<\/jats:p>","DOI":"10.3390\/s101110069","type":"journal-article","created":{"date-parts":[[2010,11,9]],"date-time":"2010-11-09T11:57:47Z","timestamp":1289303867000},"page":"10069-10080","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["A Method for Evaluating Dynamical Friction in Linear Ball Bearings"],"prefix":"10.3390","volume":"10","author":[{"given":"Yusaku","family":"Fujii","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering, Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan"}]},{"given":"Koichi","family":"Maru","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan"}]},{"given":"Tao","family":"Jin","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan"}]},{"given":"Preecha P.","family":"Yupapin","sequence":"additional","affiliation":[{"name":"Advanced Research Center for Photonics, King Mongkut\u2019s Institute of Technology Ladkrabang Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand"}]},{"given":"Somsak","family":"Mitatha","sequence":"additional","affiliation":[{"name":"Department of Computer Engineering, King Mongkut\u2019s Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand"}]}],"member":"1968","published-online":{"date-parts":[[2010,11,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"599","DOI":"10.1016\/S0301-679X(02)00263-3","article-title":"Measurement of friction force and effects of oil fortifier in engine journal bearings under dynamic loading conditions","volume":"36","author":"Durak","year":"2003","journal-title":"Tribol. Int"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"973","DOI":"10.1016\/j.matdes.2005.09.022","article-title":"Determination of friction coefficient in journal bearings","volume":"28","author":"Atik","year":"2007","journal-title":"Mater. Design"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1016\/S0301-679X(00)00089-X","article-title":"A new approach to measure the friction coefficient of micro journal bearings","volume":"33","author":"Yao","year":"2000","journal-title":"Tribol. 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Technol"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"1311","DOI":"10.1088\/0957-0233\/13\/8\/320","article-title":"Dynamic investigation of a binocular six-component force-moment sensor","volume":"13","author":"Park","year":"2002","journal-title":"Meas. Sci. Technol"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1109\/19.728839","article-title":"On the dynamic behavior of a force\/torque sensor for robots","volume":"47","author":"Li","year":"1998","journal-title":"IEEE Trans. Instrum. Meas"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"1949","DOI":"10.1063\/1.1461880","article-title":"One-stage identification algorithm and two-step compensation method of Hammerstein model with application to wrist force sensor","volume":"73","author":"Xu","year":"2002","journal-title":"Rev. Sci. 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