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dc.contributor.author권병일-
dc.date.accessioned2018-02-08T06:14:22Z-
dc.date.available2018-02-08T06:14:22Z-
dc.date.issued2015-03-
dc.identifier.citationIEEE TRANSACTIONS ON MAGNETICS, v. 51, No. 3en_US
dc.identifier.issn0018-9464-
dc.identifier.issn1941-0069-
dc.identifier.urihttp://ieeexplore.ieee.org/document/7093504/-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/36260-
dc.description.abstractThis paper proposes an optimal design of a novel asymmetrical rotor structure for surface inset permanent magnet (PM) motors to obtain torque and efficiency improvement. Different from the conventional approach, the proposed design of asymmetrical rotor structures is employed to improve the torque production by creating rotor asymmetry to allow the reluctance torque and the magnetic torque to reach a maximum at the same current phase angle. To evaluate the contribution, the frozen permeability method is utilized to segregate the torque into its reluctance and magnetic torque components. For demonstrating the design concept and obtaining a criterion for improving torque by making full use of torque components, an optimal design by iterative computation is first to be performed utilizing the finite-element method. Based on the obtained criterion, the optimal design by algorithms, such as the Kriging method and genetic algorithm, is applied to further improve the torque and efficiency. As a result, the performance of the proposed surface inset PM motor by two-step optimization is dramatically improved compared with that of the conventional surface inset PM motor. Furthermore, a comparison between the optimized surface inset PM motor and a conventional surface-mounted PM (SPM) motor is also performed under the same operating condition, which demonstrates that the optimized surface inset PM motor can significantly save the magnet amount compared with the conventional SPM motor for producing the same output torque.en_US
dc.language.isoen_USen_US
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INCen_US
dc.subjectAsymmetrical rotoren_US
dc.subjectfinite-element method (FEM)en_US
dc.subjectfrozen permeability method (FPM)en_US
dc.subjectgenetic algorithm (GA)en_US
dc.subjectmagnetic torqueen_US
dc.subjectoptimal designen_US
dc.subjectreluctance torqueen_US
dc.subjectsurface inset permanent magnet (PM) motoren_US
dc.subjectsurface-mounted PM (SPM) motoren_US
dc.subjectOPTIMIZATIONen_US
dc.titleOptimal Design of a Novel Asymmetrical Rotor Structure to Obtain Torque and Efficiency Improvement in Surface Inset PM Motorsen_US
dc.typeArticleen_US
dc.relation.no3-
dc.relation.volume51-
dc.identifier.doi10.1109/TMAG.2014.2362146-
dc.relation.page1-4-
dc.relation.journalIEEE TRANSACTIONS ON MAGNETICS-
dc.contributor.googleauthorZhao, W-
dc.contributor.googleauthorLipo, TA-
dc.contributor.googleauthorKwon, BI-
dc.relation.code2015003355-
dc.sector.campusE-
dc.sector.daehakCOLLEGE OF ENGINEERING SCIENCES[E]-
dc.sector.departmentDIVISION OF ELECTRICAL ENGINEERING-
dc.identifier.pidbikwon-
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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