{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T15:58:21Z","timestamp":1777910301928,"version":"3.51.4"},"reference-count":23,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2016,8,25]],"date-time":"2016-08-25T00:00:00Z","timestamp":1472083200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51277053"],"award-info":[{"award-number":["51277053"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Transactions of the Institute of Measurement and Control"],"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:p>\n                    For a bearingless motor that has two sets of stator windings, i.e. torque windings and suspension windings, the mutual inductance between the two sets of stator windings is a critical parameter; it is the basis of displacement sensorless control technology. Aiming at a three-phase bearingless motor, the equivalent two-phase mutual inductance model between two sets of stator windings is deduced. Then, based on the mutual inductance measurement method of a simple two-phase bearingless motor, a novel measurement algorithm of the equivalent two-phase mutual inductance is proposed, and the proposed measurement algorithm is applicable for a three-phase bearingless motor. Finally, based on a three-phase bearingless induction prototype motor, the experimental measurement of the equivalent two-phase mutual inductance is carried out. From the experimental results, it is clear that within the limited radial eccentricity of the rotor, the measured value of the equivalent two-phase mutual inductance is approximately proportional to the radial displacement of the rotor, and the correction coefficient k\n                    <jats:sub>c<\/jats:sub>\n                    of the equivalent two-phase mutual inductance model is derived; the consistency between measured and calculated values has verified the validities of the equivalent two-phase mutual inductance model and the proposed measurement algorithm from one instance. Thus, the theory foundation has been laid for research on the displacement sensorless vector control technology of a three-phase bearingless motor.\n                  <\/jats:p>","DOI":"10.1177\/0142331216663620","type":"journal-article","created":{"date-parts":[[2016,8,25]],"date-time":"2016-08-25T22:29:39Z","timestamp":1472164179000},"page":"630-639","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["Equivalent two-phase mutual inductance model and measurement algorithm of three-phase bearingless motor"],"prefix":"10.1177","volume":"40","author":[{"given":"Wenshao","family":"Bu","sequence":"first","affiliation":[{"name":"Information Engineering College, Henan University of Science and Technology, Luoyang 471023, China"},{"name":"Electrical Engineering College, Henan University of Science and Technology, Luoyang 471023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaofeng","family":"Zhang","sequence":"additional","affiliation":[{"name":"Information Engineering College, Henan University of Science and Technology, Luoyang 471023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanke","family":"Qiao","sequence":"additional","affiliation":[{"name":"Luoyang Mining Machinery Engineering Design Institute, Luoyang 471039, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ziyuang","family":"Li","sequence":"additional","affiliation":[{"name":"Electrical Engineering College, Henan University of Science and Technology, Luoyang 471023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haitao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Information Engineering College, Henan University of Science and Technology, Luoyang 471023, 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