Effect of air gap between PM segments on cogging torque and acoustic noise of BLDC motor

Title
Effect of air gap between PM segments on cogging torque and acoustic noise of BLDC motor
Authors
장건희
Keywords
Torque; Forging; Harmonic analysis; Acoustic noise; Reluctance motors; Brushless motors; Noise measurement
Issue Date
2015-05
Publisher
IEEE
Citation
2015 IEEE International Magnetics Conference (INTERMAG)
Abstract
This research investigates numerically the characteristics of the cogging torque in a brushless DC (BLDC) motor caused by the air gap between permanent magnet (PM) segments, and proposes a design method to reduce the effect of the air gap between PM segments on the cogging torque and acoustic noise of a BLDC motor. A 3D finite element model is used to calculate the cogging torque while a microphone is used to measure the acoustic noise and overall sound pressure level of the BLDC motor.
URI
http://ieeexplore.ieee.org/document/7157401/http://hdl.handle.net/20.500.11754/24724
ISBN
978-1-4799-7322-4
ISSN
2150-4598; 2150-4601
DOI
http://dx.doi.org/10.1109/INTMAG.2015.7157401
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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