Resonance Characteristics of an Electric Power Steering Motor

Noboru NIGUCHI; Katsuhiro HIRATA; Teruaki KONDO

doi:10.14243/jsaem.21.401

Journal of the Japan Society of Applied Electromagnetics and Mechanics

Online ISSN : 2187-9257
Print ISSN : 0919-4452
ISSN-L : 0919-4452

Special Issue on the Asia-Pacific Symposium on Applied Electromagnetics and Mechanics

Resonance Characteristics of an Electric Power Steering Motor

Noboru NIGUCHI, Katsuhiro HIRATA, Teruaki KONDO

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Keywords: resonance characteristics, excitation mode, characteristic vibrational mode, coupled analysis

JOURNAL FREE ACCESS

2013 Volume 21 Issue 3 Pages 401-406

DOI https://doi.org/10.14243/jsaem.21.401

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Abstract

This paper describes the resonance characteristics of two types of commonly-used electric power steering motors: the 8-pole-12-slot and the 10-pole-12-slot motor. The relationship between the excitation modes and characteristic vibrational modes is clarified by conducting a coupled magnetic field - structural analysis and carrying out a modal analysis on a prototype. Finally, the 8-pole-12-slot and 10-pole-12-slot motors are compared in terms of their generated noise.

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