Magnetic field analysis of a VCM spherical actuator

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dc.contributor.authorKim, Hyo-Youngko
dc.contributor.authorKim, Hyun-Changko
dc.contributor.authorGweon, Dae-Gabko
dc.date.accessioned2013-08-08T01:50:07Z-
dc.date.available2013-08-08T01:50:07Z-
dc.date.created2013-07-24-
dc.date.created2013-07-24-
dc.date.issued2013-06-
dc.identifier.citationSENSORS AND ACTUATORS A-PHYSICAL, v.195, pp.38 - 49-
dc.identifier.issn0924-4247-
dc.identifier.urihttp://hdl.handle.net/10203/174112-
dc.description.abstractA spherical actuator can support multi-degree-of-freedom (DOF) motions. Among the various spherical actuators that have been developed, a spherical actuator that uses a voice coil motor (VCM) has a simple driving principle and a uniform torque constant. Magnetic field analysis is crucial for improving the performance of an actuator. In this paper, a three-dimensional field solution is presented for spherically polarized permanent magnets. The magnetic flux density distribution in the air gap is calculated using the charge model, current model, and method of images. The actuator torque is computed by the calculated magnetic flux density. Finally, the analytically computed torques are verified by finite element method (FEM) simulations and experimental results. (C) 2013 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectSYNCHRONOUS MACHINE-
dc.subjectULTRASONIC MOTOR-
dc.subjectDESIGN-
dc.subjectCYLINDERS-
dc.subjectCHARGE-
dc.titleMagnetic field analysis of a VCM spherical actuator-
dc.typeArticle-
dc.identifier.wosid000320145000006-
dc.identifier.scopusid2-s2.0-84875421022-
dc.type.rimsART-
dc.citation.volume195-
dc.citation.beginningpage38-
dc.citation.endingpage49-
dc.citation.publicationnameSENSORS AND ACTUATORS A-PHYSICAL-
dc.identifier.doi10.1016/j.sna.2013.02.024-
dc.contributor.localauthorGweon, Dae-Gab-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorSpherical actuator-
dc.subject.keywordAuthorSpherical motor-
dc.subject.keywordAuthorMagnetic analysis-
dc.subject.keywordAuthorVCM-
dc.subject.keywordPlusSYNCHRONOUS MACHINE-
dc.subject.keywordPlusULTRASONIC MOTOR-
dc.subject.keywordPlusDESIGN-
dc.subject.keywordPlusCYLINDERS-
dc.subject.keywordPlusCHARGE-
dc.subject.keywordPlusTORQUE-
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