Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration
Compared with internal-rotor switched reluctance motors (SRMs), external-rotor (ER) SRMs can show different vibration and acoustic noise behavior due to the differences in the designs, e.g. thinner rotor back iron to achieve smaller inertia, and longer stator pole height to improve the electromagnet...
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doaj-5315782a44ad4b0e9c2a5a4d15dbed2e2021-03-29T18:59:11ZengIEEEIEEE Open Journal of Industry Applications2644-12412020-01-011637310.1109/OJIA.2020.30113959146684Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial VibrationJianbin Liang0https://orcid.org/0000-0001-8782-3082Brock Howey1https://orcid.org/0000-0002-8879-0689Berker Bilgin2https://orcid.org/0000-0001-5103-0072Ali Emadi3https://orcid.org/0000-0002-0676-1455McMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON, CanadaMcMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON, CanadaMcMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON, CanadaMcMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON, CanadaCompared with internal-rotor switched reluctance motors (SRMs), external-rotor (ER) SRMs can show different vibration and acoustic noise behavior due to the differences in the designs, e.g. thinner rotor back iron to achieve smaller inertia, and longer stator pole height to improve the electromagnetic performance. This paper presents the considerations in the modeling and analysis of the acoustic noise sources of an ER SRM stator and rotor. The harmonic components of the stator tangential force density and rotor radial force density are analyzed and compared. The vibration modes, the vibration behavior, and acoustic noise of the stator and rotor are also compared. A 12/16 external-rotor SRM designed for a direct-drive E-bike application is used for the modeling, analysis, and experimental validation of vibration and acoustic noise. It is concluded that both the stator tangential vibration and the rotor radial vibration can be sources of the acoustic noise in an ER SRM.https://ieeexplore.ieee.org/document/9146684/Acoustic noiseexternal-rotor SRMsource |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jianbin Liang Brock Howey Berker Bilgin Ali Emadi |
spellingShingle |
Jianbin Liang Brock Howey Berker Bilgin Ali Emadi Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration IEEE Open Journal of Industry Applications Acoustic noise external-rotor SRM source |
author_facet |
Jianbin Liang Brock Howey Berker Bilgin Ali Emadi |
author_sort |
Jianbin Liang |
title |
Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration |
title_short |
Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration |
title_full |
Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration |
title_fullStr |
Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration |
title_full_unstemmed |
Source of Acoustic Noise in a 12/16 External-Rotor Switched Reluctance Motor: Stator Tangential Vibration and Rotor Radial Vibration |
title_sort |
source of acoustic noise in a 12/16 external-rotor switched reluctance motor: stator tangential vibration and rotor radial vibration |
publisher |
IEEE |
series |
IEEE Open Journal of Industry Applications |
issn |
2644-1241 |
publishDate |
2020-01-01 |
description |
Compared with internal-rotor switched reluctance motors (SRMs), external-rotor (ER) SRMs can show different vibration and acoustic noise behavior due to the differences in the designs, e.g. thinner rotor back iron to achieve smaller inertia, and longer stator pole height to improve the electromagnetic performance. This paper presents the considerations in the modeling and analysis of the acoustic noise sources of an ER SRM stator and rotor. The harmonic components of the stator tangential force density and rotor radial force density are analyzed and compared. The vibration modes, the vibration behavior, and acoustic noise of the stator and rotor are also compared. A 12/16 external-rotor SRM designed for a direct-drive E-bike application is used for the modeling, analysis, and experimental validation of vibration and acoustic noise. It is concluded that both the stator tangential vibration and the rotor radial vibration can be sources of the acoustic noise in an ER SRM. |
topic |
Acoustic noise external-rotor SRM source |
url |
https://ieeexplore.ieee.org/document/9146684/ |
work_keys_str_mv |
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