Characteristic Analysis of Interior Permanent-Magnet Synchronous Motor in Electrohydraulic Power Steering Systems
Jin Hur
Sch. of Electr. Eng., Univ. of Ulsan, Ulsan;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: June 2008
Volume: 55,
Issue: 6
On page(s): 2316-2323
ISSN: 0278-0046
INSPEC Accession Number: 10006648
Digital Object Identifier: 10.1109/TIE.2008.918402
Current Version Published: 2008-05-28
Abstract
This paper presents design and analysis results of a 2.6-kW interior permanent-magnet synchronous motor developed for an electrohydraulic power steering system. The motor was designed by using the proposed equivalent magnetic circuit model in consideration with a core loss. To analyze motor characteristics by using the equivalent magnetic circuit model, inductance and iron-loss resistance, which are affected critically by magnetic saturation, are obtained by using finite-element analysis. Finally, motor characteristics such as armature current, torque, and efficiency are calculated by the equivalent magnetic circuit model and verified by experimental results.
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